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1.
Rev. colomb. cir ; 37(4): 574-579, 20220906. fig, tab
Article in Spanish | LILACS | ID: biblio-1396340

ABSTRACT

Introducción. La sialoendoscopia es un procedimiento cuya finalidad es visualizar los conductos salivales. Se utiliza como método diagnóstico y terapéutico de procesos inflamatorios, estenosis de los conductos y procesos obstructivos. Métodos. Describir los procedimientos realizados para el tratamiento de pacientes con patología inflamatoria y obstructiva de las glándulas salivales, de forma única con sialoendoscopia o con abordajes mixtos. Resultados. Un total de 24 pacientes fueron incluidos en el estudio, con edad promedio de 42 años, en su mayoría mujeres y compromiso submaxilar en 58,3 % y de parótida en 41,7 %. Respecto a la intervención, al 29,2 % de los sujetos se le realizó extracción de cálculos, al 29,2 % sialoplastia, al 25 % dilatación de conductos y al 37,5 % lavado de conductos en el mismo momento quirúrgico. Conclusión. La sialoendoscopia y el abordaje mixto es un procedimiento que puede garantizar el manejo de patologías obstructivas y estenosis de los conductos salivales, con buen pronóstico y resultados, preservando la glándula y evitando las complicaciones de la cirugía.


Introduction. Sialoendoscopy is a procedure which purpose is to visualise the salivary ducts. It is used as a diagnostic and therapeutic method for inflammatory and obstructive processes and duct stenosis. Methods. To describe the procedures performed for the management of patients with inflammatory and obstructive pathology of the salivary glands, only with sialoendoscopy or with mixed approaches. Results. A total of 24 patients were included in the study, with mean age of 42 years, mostly female, and 58.3% submaxillary involvement 41.7% parotid involvement. Regarding the intervention, 29.2% of the subjects underwent stone extraction, 29.2%, sialoplasty, 25% duct dilatation, and 37.5% duct lavage at the same surgical time. Conclusions. Sialoendoscopy and the mixed approach is a procedure that can guarantee the management of obstructive pathologies and stenosis of the salivary ducts with good prognosis and results, preserving the gland and avoiding the complications of surgery.


Subject(s)
Humans , Salivary Gland Diseases , Salivary Glands , Minimally Invasive Surgical Procedures , Sialadenitis , Salivary Ducts , Endoscopy
2.
Rev. argent. reumatolg. (En línea) ; 33(2): 83-89, abr. - jun. 2022. ilus
Article in Spanish | LILACS, BINACIS | ID: biblio-1393394

ABSTRACT

Introducción: la enfermedad relacionada con IgG4 (ER-IgG4) es una afección inmunomediada, asociada con lesiones fibroinflamatorias que pueden ocurrir en casi cualquier órgano. Ante su sospecha clínica es fundamental realizar el examen histopatológico para excluir malignidad y otras enfermedades. El objetivo principal de este estudio fue describir los hallazgos histológicos de la biopsia de glándulas salivales labiales (GSL) en pacientes con diagnóstico de ER-IgG4 y, posteriormente, comparar estos hallazgos con la histología e inmunohistoquímica de la glándula salival mayor (GSM). Materiales y métodos: estudio retrospectivo, observacional y descriptivo sobre una cohorte de 40 pacientes con diagnóstico de ER-IgG4. Se incluyeron 26 pacientes con diagnóstico de ER-IgG4 que presentaron biopsias de GSL. Resultados: el 73% de la muestra tuvo un infiltrado linfoplasmocitario y el 11%, fibrosis con patrón no estoriforme. En ningún caso se halló arteritis obliterativa ni ninguna forma de flebitis. Al realizar la comparación con los hallazgos de las biopsias de GSM, no hubo significancia estadística. El 65% de los pacientes manifestó compromiso extraglandular y fueron los sistemas pancreato hepato biliar y las adenopatías los más afectados. Conclusiones: la biopsia incisional de glándula submandibular sería más útil y apropiada que la biopsia de GSL para un diagnóstico definitivo de ER-IgG4.


Introduction: IgG4-related disease (IgG4-RD) is an immune-mediated condition associated with fibroinflammatory lesions that can occur in almost any anatomical site. Histopathological examination is essential when suspected to diagnose it to exclude malignancy and other diseases. The objective of this study was to describe the histological findings of the minor salivary gland biopsy (GSL) in patients diagnosed with IgG4-RD, and subsequently to correlate these findings with the histology and immunohistochemistry of the major salivary gland (GSM). Materials and methods: retrospective, observational and descriptive study on a cohort of 40 patients diagnosed with RD-IgG4. Twenty-six patients diagnosed with IgG4-RD who presented SLG biopsies were included. Results: the 73% of the samples presented a lymphoplasmacytic infiltrate and 11% of them fibrosis with a non-storiform pattern. In no case was obliterative arteritis or any form of phlebitis found. When comparing the findings of the GSM biopsies, there was no statistical significance. Sixty-five percent of the patients presented extraglandular involvement; the pancreato-hepato-biliary system and the adenopathies were the most affected. Conclusions: incisional biopsy of the submandibular gland would be more useful and appropriate than LSG for a definitive diagnosis of IgG4-RD.


Subject(s)
Immunoglobulin G , Salivary Glands , Biopsy
3.
Chinese Journal of Stomatology ; (12): 535-539, 2022.
Article in Chinese | WPRIM | ID: wpr-935898

ABSTRACT

Salivary glands are important organs in the oral and maxillofacial region. Environment and genetic factors may cause salivary gland tumors or non-neoplastic diseases, but the mechanisms of those diseases are still unclear. One of the important reasons is the short of researching media and model. As a new technique and research model, organoids have been widely used in the research of various diseases. Organoid culture plays a bridging role between two-dimensional cell culture and living animal models, and it is also the most promising translational research model that could connect the clinical research to basic research. This review will discuss the recent development of organoid techniques in the culture of normal salivary glands and salivary gland tumors, also their applications and challenges in tissue engineering, etiological research, and tumor therapy.


Subject(s)
Animals , Cell Culture Techniques , Organoids , Salivary Gland Neoplasms , Salivary Glands , Tissue Engineering
4.
j.tunis.ORL chir. cerv.-fac ; 47(3): 41-46, 2022. tales, figures
Article in French | AIM | ID: biblio-1392589

ABSTRACT

Objectif: Etudier les particularités cliniques des carcinomes adénoïdes kystiques des glandes salivaires accessoires et discuter les modalités thérapeutiques de ce type tumoral. Patients et méthodes: Il s'agit d'une étude rétrospective descriptive ayant colligé 11 patients présentant un carcinome adénoïde kystique (CAK) des glandes salivaires accessoires (GSA) pris en charge dans notre département sur une période de 20 ans. Résultats: L'âge moyen de nos patients était de 51 ans avec un sex ratio à 0,83. Le délai moyen de consultation était de 20 mois. Le site tumoral était: la cavité buccale dans 3 cas, le massif facial et le cavum dans 6 cas, la trachée et le larynx dans 2 cas. Les motifs de consultation étaient variables selon le site tumoral. L'extension péri neurale était objectivée dans 3 cas. Le traitement était chirurgical suivi de radiothérapie chez 5patients. Une radiothérapie exclusive a été indiquée chez 3 patients et une radio chimiothérapie concomitante dans 3 cas. Un recul moyen de 42 mois a pu être obtenu pour 10 patients. Une patiente a été perdue de vue. L'évolution était favorable avec absence de récidive locale chez 8 patients. Conclusion: Le traitement de référence reste une chirurgie d'exérèse large, suivie de radiothérapie adjuvante. L'imagerie est indispensable pour le bilan d'extension locorégional et à distance qui conditionne l'attitude thérapeutique


Subject(s)
Humans , Salivary Glands , General Surgery , Carcinoma, Adenoid Cystic , Accessory Nerve
5.
Einstein (Säo Paulo) ; 20: eRC5724, 2022. graf
Article in English | LILACS | ID: biblio-1360392

ABSTRACT

ABSTRACT Mammary analogue secretory carcinoma is a rare neoplasm usually confused with other neoplasms in the salivary glands region. It has great similarity with the breast carcinoma. We report a case of a patient who presented with gingival submucosal bleeding and lesion, with the initial histopathological examination revealing salivary gland neoplasm of low crane. Computed tomography revealed the lesion near the tooth 27, with extension to the floor of the left maxillary sinus and to the palate mucosa. Resection of the infra-structure was performed, with a diagnosis of breast cancer secretory carcinoma in the minor salivary gland.


Subject(s)
Humans , Salivary Gland Neoplasms/surgery , Salivary Gland Neoplasms/diagnostic imaging , Carcinoma/surgery , Carcinoma/diagnostic imaging , Mammary Analogue Secretory Carcinoma/diagnostic imaging , Salivary Glands , Salivary Glands, Minor/diagnostic imaging
6.
Article in Chinese | WPRIM | ID: wpr-936106

ABSTRACT

Some kinds of chronic sialadenitis were recognized during the recent years. They have specific pathogenesis, clinical and histopathologic appearances, and require specific treatment. IgG4-related sialadenitis (IgG4-RS) is one of the immune-mediated diseases, characterized by tumefactive lesions. The incidence of IgG4-RS obviously increased during the past 30 years. The study on the potential relationship between occupational exposure to chemical substances and the incidence of IgG4-RS showed that subjects with occupational exposure to agents known to cause IgG4-RD had an increased risk for IgG4-RS. Surgical excision of involved SMG could not control the disease progression, which is not recommended for treatment of IgG4-RS. The combination of glucocorticoid and steroid-sparing agents is effective for treating IgG4-RS, and restores salivary gland function. Radioiodine induced sialadenitis (RAIS) is one of the common complications of postoperative adjuvant treatment of differentiated thyroid cancer by 131I. The incidence of the disease is related to radiation dosage. Clinically, the patients suffered from swelling and tenderness in the buccal or submandibular regions, especially during the mealtime. Imaging appearances are similar to those of chronic obstructive sialadenitis. Conservative managements, such as gland massage, sialagogues, are the mainstream methods in the treatment of RAIS. Sialendoscopy is feasible for RAIS, but not as effective as conventional obstructive sialadenitis (COS). Therefore the prevention of RAIS is crucial. Eosinophilic sialodochitis (ES) is a new type of chronic inflammatory disease of the salivary gland related to allergy. It has characteristics of swelling of multiple major salivary glands, strip-like gelatinous plugs discharged from the duct orifice of the gland, elevated level of serum IgE and eosinophils in peripheral blood, infiltration of eosinophils and IgE positive plasma cells in the tissues, allergic history, increased expression of allergy-related cytokines, such as IL-4, IL-5, IL-13, and eotaxin, which suggest allergic reactions as a potential pathogenesis of the disease. The clinical, laboratory, histological, and immunohistochemical characteristics of ES are significantly different from conventional obstructive sialadenitis (COS). Therefore, it is suitable to separate ES from COS. Conservative managements, such as self-maintenance therapy and anti- allergic modality are the choices of treatment for ES. Based on the results of our comprehensive studies a new classification of chronic sialadenitis is suggested.


Subject(s)
Humans , Immunoglobulin G , Iodine Radioisotopes , Salivary Glands , Sialadenitis/etiology , Submandibular Gland
7.
Rev. cir. traumatol. buco-maxilo-fac ; 21(4): 34-38, out.-dez. 2021. ilus
Article in Portuguese | LILACS, BBO | ID: biblio-1391275

ABSTRACT

Introdução: O adenoma pleomórfico (AP) é a neoplasia de glândula salivar mais comum e se apresenta como um aumento de superfície firme, indolor e com crescimento lento. O palato, a cavidade nasal e a nasofaringe são áreas em que se localizam muitas glândulas salivares menores, sendo o adenoma pleomórfico, o tumor benigno mais comum nessas glândulas. O AP pode acometer indivíduos em qualquer faixa etária, principalmente na terceira e quarta década de vida, com predominância pelo gênero feminino. O artigo objetiva relatar um caso clínico de adenoma pleomórfico em palato duro, comparando com dados presentes na literatura especializada em relação, especialmente, aos sítios acometidos e as formas de tratamentos existentes. Relato de caso: Paciente do sexo feminino, 34 anos, compareceu ao ambulatório do HU-Univasf com queixa de aumento de volume indolor em boca há 02 anos. Foi realizada uma biópsia incisional onde no exame histopatológico foi diagnosticado como Adenoma Pleomórfico. O tratamento eleito foi a excisão cirúrgica e uso de placa de polimetilmetacrilato no pós-operatório. Atualmente o paciente apresenta follow up de 02 anos e 05 meses, sem sinais de recidiva da lesão e sem queixas locais... (AU)


Introduction: Pleomorphic adenoma (PA) is a more common salivary gland neoplasia and presents as an increase in firm, painless and slow-growing surface. The palate, a nasal cavity and a nasopharynx, are areas that locate many minor salivary glands, being pleomorphic adenoma, the most com mon benign tumor in these glands. The PA can affect individuals in any age group, mainly in the third and fourth decade of life, with a predominance in a females. The article aims relates a clinical case of pleomorphic adeno ma on the hard palate, comparing it with the data present in the specialized literature in relation, especially, to the affected locations and the ways to ex isting treatments. Case Report: A 34 years old, female patient, showed up to the HU-Univasf outpatient clinic with a complaint of an increase in vol ume painless in the mouth for 2 years. An incisional biopsy was performed in which the histopathological examination was diagnosed as Pleomorphic Adenoma. The treatment chosen was surgical excision and use of polymeth ylmethacrylate plate. Currently, the patient has a follow-up of 02 years and 05 months, with no signs of recurrence of the lesion and no local complaints... (AU)


Introducción: El adenoma pleomórfico (AP) es la neoplasia de glándulas salivales más común y se presenta como un agrandamiento firme, indoloro y de crecimiento lento. El paladar, la cavidad nasal y la nasofaringe son áreas en las que se localizan muchas glándulas salivales menores, siendo el adenoma pleomórfico el tumor benigno más común en estas glándulas. La AF puede afectar a individuos de cualquier grupo de edad, especialmente en la tercera y cuarta década de la vida, con predominio del sexo femenino. El artículo tiene como objetivo reportar un caso clínico de adenoma pleomórfico en paladar duro, comparándolo con datos de la literatura especializada en relación, especialmente, con los sitios afectados y las formas de tratamiento existentes. Caso clínico: Paciente de sexo femenino de 34 años que acudió a la consulta externa de HU-Univasf quejándose de hinchazón bucal indolora durante 02 años. Se realizó biopsia incisional y el examen histopatológico se diagnosticó como adenoma pleomórfico. El tratamiento elegido fue la exéresis quirúrgica y el uso postoperatorio de placa de polimetilmetacrilato. Actualmente, el paciente tiene un período de seguimiento de 02 años y 05 meses, sin signos de recurrencia de la lesión y sin quejas locales... (AU)


Subject(s)
Humans , Female , Adult , Salivary Glands, Minor/surgery , Nasopharynx , Adenoma, Pleomorphic , Palate, Hard , Nasal Cavity , Salivary Gland Diseases , Salivary Glands , Aftercare
8.
Arch. health invest ; 10(7): 1184-1187, July 2021. ilus
Article in Portuguese | LILACS, BBO | ID: biblio-1344606

ABSTRACT

Introdução: Os sialólitos são lesões mineralizadas nas glândulas salivares que causam obstrução total ou parcial do ducto, acometendo comumente a glândula submandibular. Sua abordagem varia de pouco invasiva à cirúrgicas, a depender do número, localização e dimensões dos cálculos. Objetivo: Esse estudo teve como objetivo relatar um caso clínico raro de sialólito no ducto da glândula parótida tratado através da remoção cirúrgica. Relato De Caso: Paciente compareceu ao ambulatório com história de dor e edema em face com 2 meses de evolução, referindo piora da sintomatologia após alimentação. Ao exame físico apresentou edema endurecido em região pré-auricular esquerda e ausência de drenagem no ducto da parótida ipsilateral. Foi realizado uma radiografia de tecidos moles com filme periapical, que revelou imagem radiopaca circunscrita sugestiva de um sialólito no ducto da glândula parótida esquerda. Assim, foi realizada excisão cirúrgica do cálculo seguida do reestabelecimento da patência ductal através da instalação de cateter venoso. Paciente evoluiu bem e segue em acompanhamento sem recidiva dos sinais e sintomas. Considerações Finais: O presente estudo revela que o diagnóstico precoce da sialolitíase e a escolha do plano de tratamento adequado estão associados a um bom prognóstico, e o reestabelecimento da patência ductal, quando danificado, é imprescindível para o sucesso do tratamento(AU)


Introduction: Sialoliths are mineralized lesions in the salivary glands that cause total or partial obstruction of the duct, commonly affecting the submandibular gland. It ranges from less invasive to surgical approach, depending on the number, location and dimension of the calculi. Objective: This study aimed to report a rare clinical case of a sialolith in the parotid gland's duct treated by surgical removal. Case Report: The patient attended the outpatient clinic with a history of pain and edema in the face with 2 months of evolution, reporting worsening symptoms after feeding. On physical examination, he had hardened edema in the left preauricular region and no drainage in the ipsilateral parotid duct. Soft tissue radiography with a periapical film was performed, which revealed a circumscribed radiopaque image suggestive of a sialolith in the left parotid gland's duct. Thus, the calculus's surgical excision was performed, followed by the reestablishment of the ductal patency through the installation of a venous catheter. The patient evolved well and is being followed up without recurrence of signs and symptoms. Final Considerations: The present study reveals that the early diagnosis of sialolithiasis and the choice of the appropriate treatment plan are associated with a good prognosis, and the reestablishment of ductal patency, when damaged, is essential for the success of the treatment(AU)


Introducción: Os sialolitos son lesiones mineralizadas en las glándulas salivales que causan obstrucción total o parcial del conducto, afectando comúnmente a la glándula submandibular. Su abordaje varía desde poco invasivo hasta quirúrgico, dependiendo del número, ubicación y dimensiones de los cálculos. Objetivo: Este estudio tuvo como objetivo reportar un caso clínico raro de sialolito en el conducto de la glándula parótida tratado mediante extirpación quirúrgica. Reporte de Caso: Paciente acudió a consulta externa con antecedente de dolor y edema en el rostro de 2 meses de evolución, refiriendo empeoramiento de la sintomatología tras la alimentación. A la exploración física presentaba edema endurecido en región preauricular izquierda y ausencia de drenaje en conducto parotídeo ipsilateral. Se realizó una radiografía de partes blandas con placa periapical, que reveló una imagen radiopaca circunscrita sugestiva de un sialolito en el conducto de la glándula parótida izquierda. Así, se realizó la escisión quirúrgica del cálculo seguida del restablecimiento de la permeabilidad ductal mediante la instalación de un catéter venoso. El paciente evolucionó bien y se le está dando seguimiento sin recurrencia de signos y síntomas. Consideraciones Finales: El presente estudio revela que el diagnóstico precoz de la sialolitiasis y la elección del plan de tratamiento adecuado se asocian a un buen pronóstico, y el restablecimiento de la permeabilidad ductal, en caso de daño, es fundamental para el éxito del tratamiento(AU)


Subject(s)
Humans , Male , Middle Aged , Parotid Gland/surgery , Salivary Gland Calculi , Parotid Gland , Salivary Gland Diseases , Salivary Glands , Submandibular Gland , Salivary Gland Calculi/diagnosis , Salivary Gland Calculi/therapy
10.
Rev. Assoc. Med. Bras. (1992) ; 67(2): 287-291, Feb. 2021. tab, graf
Article in English | LILACS | ID: biblio-1287814

ABSTRACT

SUMMARY OBJECTIVE: Artificial food colorings, as types of food additives, are widely used at present in daily life. We aimed to investigate the effects of exposure to artificial food colorings during the intrauterine period on the salivary glands in adulthood. METHODS: A total of 30 Wistar albino female pregnant rats were included in this study. The treatment group was given a mixture of nine artificial food colorings at no observed adverse-effect-level doses. Neither mothers nor offspring were fed with food colorings after delivery. When the offspring became adults, they were sacrificed, and the possible histopathological and immunohistochemical effects of artificial food colorings on the salivary glands were investigated. In these glands, anti-matrix metallopeptidase 2 (anti-MMP2), anti-MMP9, anti-tissue inhibitor of metalloproteinases (TIMP) metallopeptidase inhibitor 1 (anti-TIMP1), anti-TIMP2, and anti-TIMP3 were examined. RESULTS: The expressions of anti-MMP2, anti-TIMP1, anti-TIMP2, and anti-TIMP3 parameters were found to be higher in treatment groups (p<0.05). CONCLUSION: It was suggested that intrauterine exposure of synthetic food colorings may lead to deterioration of the tissue structure of the salivary glands in adulthood, thereby increasing susceptibility to chronic illnesses including malignancy and chronic inflammation. Therefore, pregnant women should give importance to their nutrition in terms of foods containing synthetic colorings.


Subject(s)
Humans , Animals , Female , Pregnancy , Adult , Rats , Matrix Metalloproteinase 2 , Food Coloring Agents , Salivary Glands , Rats, Wistar , Fetus
11.
Article in Chinese | WPRIM | ID: wpr-878435

ABSTRACT

Secretory carcinoma, a low-grade malignant tumor, occurs mainly in parotid, submandibular gland, and small salivary glands in the mouth. It has not yet been reported in the mandible. Now we report a case occurred in the right mandibular angle of secretory carcinoma, accompanying with its diagnosis, treatment and prognosis.


Subject(s)
Carcinoma , Humans , Mandible , Parotid Gland , Salivary Gland Neoplasms , Salivary Glands
12.
Article in English | WPRIM | ID: wpr-878416

ABSTRACT

Oral squamous cell carcinoma (OSCC) is the most frequent tumour in head and neck malignant. The current treatment is mainly based on surgery therapy, radiation therapy and chemical therapy. Meanwhile, there are many a defect in the treatment. For example, there are many defects in radiotherapy. Radioactive salivatitis is the most common. In addition, there are a series of changes such as dry mouth, oral mucositis, rampant dental caries, and radioactive osteomyelitis of jaw, which cause swallowing, chewing problems, and taste dysfunction. Currently, the research on radioactive salivatitis is progressing rapidly, but its mechanism is more complication. This paper review aims to summarize the research progress in this field.


Subject(s)
Carcinoma, Squamous Cell , Dental Caries , Head and Neck Neoplasms/radiotherapy , Humans , Mouth Neoplasms , Radiation Injuries , Salivary Glands , Xerostomia/etiology
13.
Braz. j. biol ; 81(2): 335-342, 2021. ilus
Article in English | LILACS, VETINDEX | ID: biblio-1153364

ABSTRACT

The species of Pugilina cochlidium (Linnaeus, 1758) and P. erecta (Vermeij & Raben, 2009) has been studied in the present study. The female can be differentiated from the male by the absence of the cephalic penis and a complicated genital aparatus visible through the mantle skirt in both the sexes. In other aspects of the external features of female are quite to males. In both species the digestive system was similar with few differences in structure between each other. It consists of buccal mass, proboscis, salivary glands, accessory salivary glands, oesophagus, stomach, intestine, rectum and anus. The nervous system in both P. cochlidium and P. erecta is constituted by six ganglia which forms the circumoesophgeal ganglionic ring. Among the neogastropods there is a similarity in the organization of the reproductive systems. The female reproductive system is more complicated than that of male. The sexes are separated in these two species. The gross morphology of the reproductive system of P. cochlidium and P. erecta was almost similar. The present study aims to describe the digestive system, nervous system and reproductive system of two gastropods species P. cochlidium and P. erecta.


As espécies de Pugilina cochlidium (Linnaeus, 1758) e P. erecta (Vermeij & Raben, 2009) foram tomadas no presente estudo. A fêmea pode ser diferenciada do macho pela ausência do pênis cefálico e um complicado complexo genital visível através da saia do manto em ambos os sexos. Em outros aspectos das características externas da fêmea são bastante semelhantes aos dos machos. Em ambas as espécies, o sistema digestivo era semelhante, com poucas diferenças de estrutura entre si. Consiste em massa bucal, probóscide, glândulas salivares, glândulas salivares acessórias, esôfago, estômago, intestino, reto e ânus. O sistema nervoso em P. cochlidium e P. erecta é constituído por seis gânglios que formam um anel ganglionar circunoesofágico. Entre os neogastrópodes, há uma semelhança na organização dos sistemas reprodutivos. O sistema reprodutivo feminino é mais complicado que o masculino. Os sexos são separados nessas duas espécies. A morfologia macroscópica do sistema reprodutivo de P. cochlidium e P. erecta foi quase similar. O presente estudo tem como objetivo descrever o sistema digestivo, sistema nervoso e sistema reprodutivo de duas espécies, P. cochlidium e P. erecta.


Subject(s)
Animals , Male , Female , Digestive System/anatomy & histology , Gastropoda/anatomy & histology , Genitalia/anatomy & histology , Nervous System/anatomy & histology , Salivary Glands , Bays , India
14.
Braz. dent. sci ; 24(4, suppl 1): 1-13, 2021. tab, ilus
Article in English | LILACS, BBO | ID: biblio-1349352

ABSTRACT

Objective: Head and neck cancer is the sixth leading cancer by incidence worldwide and eighth by death. Recent reports revealed that, not only radiotherapy but also chemotherapy may induce xerostomia. The aim of this study was to compare the possible regenerative effect of BMSCs through systemic and local injections. Material and Methods: 52 male Albino rats were randomly divided into 4 groups: Group 1: 10 rats received 0.5 ml of PBS by injection. Group 2: 14 rats received an intraperitoneal injection of 5-FU drug. Group 3: 14 rats were injected the same dose of 5-FU then received an intraglandular transplantation of BMSCs suspended in 0.5 ml of PBS at day 1 after 5-FU administration. Group 4: 14 rats were injected the same dose of 5-FU then received an intravenous injection of BMSCs suspended in 0.5 ml of PBS via the tail vein at day 1 after 5-FU administration. Results: Histological examination showed that group 2 showed features of severe degenerative changes which increased over time. Group 3 showed increasing amelioration in the ductal structure overtime. Group 4 also showed regenerated ductal elements however concerning apoptotic changes, immunohistochemistry results revealed improvement in both group 3 and 4 over group 2 with no statistical difference between groups 3 and 4. Conclusion: Histological and immunohistochemical features in group 3 and group 4 revealed similar amelioration in regenerative potentials. On the other hand, regenerative features of both experimental groups were statistically significant as compared independently to group 1 (AU)


Objetivo: O carcinoma de cabeça e pescoço é o sexto câncer de maior incidência no mundo sendo a oitava causa de morte por cancer. Relatos recentes revelaram que não apenas a radioterapia, mas também a quimioterapia podem induzir xerostomia. O objetivo desse estudo foi comparar a possivel ação regenerative de BMSCs através de injeção local e sistêmica. Material e Métodos: 52 ratos Albino foram aleatoriamente alocados em 4 grupos: Grupo 1: 10 ratos que receberam 0.5 ml de injeção de PBS. Grupo 2: 14 ratos que receberam injeção intraperitoneal da droga 5-FU. Grupo 3: 14 ratos que foram injetados com a mesma dose de 5-FU e receberam transplante intraglandular de BMSCs ressuspendidas em 0.5mL de PBS no dia 1 após a administração do 5-FU. Grupo 4: 14 ratos que foram injetados com a mesma dose de 5-FU e receberam injeção intravenosa de BMSCs ressuspendidas em 0.5mL de PBS via veia caudal 1 dia após a administração de 5-FU. Resultados: O exame histológico demonstrou que o grupo 2 apresentou alterações degenerativas severas que se agravaram com o tempo. O Grupo 3 mostrou melhora da estrutura ductal ao longo do experimento. Group 4 também mostrou elementos ductais regenerados. Referente a alterações apoptóticas,análise imunohistoquimica mostrou melhora nos grupos 3 e 4 comparados ao grupo 2, sendo que os grupos 3 e 4 foram estatisticamente semelhantes. Conclusão: Análises histológicas e imunohistoquímicas mostram que os grupos 3 e 4 apresentam melhora no potencial regenerativo Por outro lado, os resultados observados para os dois grupos foi estatisticamente semlhante quando comparados independentemente ao grupo 1 (AU)


Subject(s)
Animals , Rats , Salivary Glands , Mesenchymal Stem Cells , Squamous Cell Carcinoma of Head and Neck
15.
J. appl. oral sci ; 29: e20201080, 2021. tab, graf
Article in English | LILACS | ID: biblio-1340115

ABSTRACT

Abstract Acute and chronic stresses affect the salivary glands, representing the source of plasma BDNF during stressful conditions. Pumpkin is a medicinal plant with an evident antioxidant, anti-inflammatory and potential antidepressant effects. Objective To assess the structural and biochemical effects induced by exposure to chronic unpredictable mild stress (CUMS) on salivary glands of albino rats, and to evaluate the role of pumpkin extract (Pump) in ameliorating this effect. Methodology Four groups (n=10 each) of male albino rats were included in this study: the control, CUMS, Fluoxetine-treated and Pump-treated. The corticosterone, the pro-inflammatory cytokines, tumor necrosis factor-alpha (TNF-α) and interleukin-6 (IL-6), and the oxidant/antioxidant profile were all assessed in the serum. The level of BDNF mRNA was measured in the salivary glands using qRT-PCR. Histopathological changes of the salivary glands were also assessed. Results The depressive-like status was confirmed behaviorally and biochemically. Exposure to CUMS significantly up-regulated (p<0.001) the level of serum corticosterone. CUMS induced degenerative changes in the secretory and ductal elements of the salivary glands evident by increased apoptosis. Both Fluoxetine and Pumpkin significantly up-regulated (p<0.001) BDNF expression in the salivary glands and ameliorated the CUMS-induced histopathological and biochemical alterations in the salivary glands. Pumpkin significantly (p<0.001) increased the serum levels of antioxidant enzymes SOD, GPX and CAT, and reduced the serum levels of the pro-inflammatory cytokines TNF-α, IL-6. Conclusion Pumpkin ameliorates the depressive-like status induced in rats following exposure to chronic stress through exerting a promising anti-inflammatory, antioxidant and anti-depressant-like effects. The pumpkin, subsequently, improved stress-induced structural changes in the salivary glands that might be due to up-regulation of BDNF expression in the glands.


Subject(s)
Animals , Rats , Brain , Salivary Glands , Cucurbita
16.
J. Health Biol. Sci. (Online) ; 9(1): 1-4, 2021. ilus
Article in Portuguese | LILACS | ID: biblio-1381677

ABSTRACT

Introdução: O sialolito é a patologia mais frequente nas glândulas salivares maiores, ocorrendo em maior prevalência na glândula submandibular. Os sinais e sintomas clínicos incluem edema e dor na região da glândula acometida pelo sialolito e em caso de obstrução do ducto, os sintomas são mais pronunciados. Existem diversas alternativas de tratamento para a sialolitíase, com indicações específicas de acordo com cada caso. Desse modo, o objetivo desse artigo é relatar a técnica cirúrgica utilizada para remover um grande sialolito localizado no parênquima de glândula salivar maior. Relato de Caso: Paciente do sexo feminino, 49 anos, melanoderma, com queixas álgicas à palpação da região submandibular direita, há aproximadamente oito meses, apresentando discreto aumento de volume enrijecido no local. Ao exame de imagem foi observada imagem radiopaca na região, sugerindo a presença de sialollito no interior da glândula submandibular direita. Conclusão: Diversas modalidades de tratamento são descritas para sialolitíase. O tratamento conservador e/ou minimamente invasivo está indicado para cálculos de pequena dimensão ou extraglandulares e inclui a ordenha da glândula afetada. Cálculos maiores, localizados no interior da glândula, requerem tratamentos mais radicais, e na maioria das vezes, a excisão cirúrgica da glândula é o tratamento de escolha.


Introduction: Sialolith is the most frequent pathology in the major salivary glands, occurring in greater prevalence in the submandibular gland. Clinical signs and symptoms include swelling and pain in the region of the compromised gland by the sialolith and in case of duct obstruction, the symptoms are more evident. There are several treatment alternatives for sialolithiasis, with specific indications according to each case. Thus, the aim of this article is to report the surgical technique used to remove a large sialolith located in the greater salivary gland parenchyma. Case Report: Female patient, 49 years old, black, with complaints of pain on palpation of the right submandibular region, for approximately eight months, with a slight increase in the hardened volume at the site. The imaging exam showed a radiopaque image in the region, suggesting the presence of sialolith in the right submandibular gland. Conclusion: Several treatment modalities are described for sialolithiasis. Conservative and/or minimally invasive treatment is indicated for small or extraglandular calcifications and includes milking of the compromise gland. Larger stones, located inside the gland, require more radical treatments, and most of the time, surgical excision of the gland is the treatment of choice.


Subject(s)
Salivary Glands , Surgery, Oral , Pathology , Submandibular Gland , Therapeutics , Salivary Gland Calculi , Conservative Treatment
17.
Adv Rheumatol ; 61: 8, 2021. tab, graf
Article in English | LILACS | ID: biblio-1152738

ABSTRACT

Abstract Background: Sjögren's Syndrome compromises the exocrine function, producing xerostomia and xerophthalmia. It can appear as an isolated condition or associated with other autoimmune diseases (polyautoimmunity). The Unstimulated Salivary Flow rate (UWSF) is used to quantify saliva production. There is no objective evidence to differentiate the values in patients with Sjögren's versus healthy people or patients with non-Sjögren's sicca. The objective of the present review was to evaluate the UWSF in patients with Sjögren's syndrome in comparison to controls (healthy and non-Sjögren's sicca patients). Methods: A systematic literature review was carried out (PRISMA guidelines). Analytical observational studies of cases and controls, cross-sectional studies, cohort studies and randomized clinical trials (including healthy controls) were considered. The Medline/OVID, Lilacs, Embase, and Cochrane/OVID databases were consulted. MeSH, DeCS, keywords, and Boolean operators were used. The meta-analysis (RevMan 5.2) was done through the random-effects model [mean difference (MD)]. Level and quality of evidence were evaluated by the Oxford Center Levels of Evidence and Joanna Brigs list respectively. Results: Thirty-two articles were included (20 were case-control studies,6 were cross-sectional,2 prospective cohort,2 retrospective cohort, and2 studies were abstracts) and 28 were meta-analyzed. The unstimulated whole salivary flow rate in the Sjögren's group was lower than in controls (healthy and patients with non-Sjögren Sicca syndrome) (MD-0.18 ml/min; 95% CI, −0.24 to −0.13; chi2-P-value <0.00001). Heterogeneity was 97% and there was publication bias (funnel plot). The level of evidence was mostly3 or 4. The quality of evidence was met (97% of items valued). Conclusion: For the first time, the unstimulated whole salivary flow rate is found to be lower in patients with Sjögren's syndrome compared to controls (healthy and non-SS sicca) through a meta-analysis. (AU)


Subject(s)
Humans , Salivary Glands/metabolism , Xerostomia/metabolism , Sjogren's Syndrome/physiopathology , Autoimmunity
18.
Arq. bras. med. vet. zootec. (Online) ; 72(6): 2245-2251, Nov.-Dec. 2020. ilus
Article in English | LILACS, VETINDEX | ID: biblio-1142291

ABSTRACT

The present report aimed to describe the main characteristics of the parotid salivary mucocele in an adult male rabbit, which presented with a painless fluctuating mass with fluid content. Owing to the need for repeated fluid drainage, surgical excision was the chosen mode of treatment. Preoperative evaluation included radiography and blood analysis. The patient underwent surgical excision of the affected gland. Inhalation anesthesia was maintained by means of isoflurane and the cardio-respiratory parameters were monitored throughout the surgery. A bipolar electrocautery was used to assist in the incision and polyglactin 910 and nylon were the suture materials used in the wound closure technique. Post-operative medications included analgesics, anti-inflammatory agents and antibiotics. Histopathology of the excised glandular tissue revealed a mixed inflammatory infiltrate, fibroblasts, hemorrhage and hyperemia. The observations in this case suggest that surgical excision of the affected gland is the treatment of choice for the management of mucocele in companion rabbits, which has already been identified for other animals. Periodic acid-reactive Schiff staining confirmed the diagnosis of salivary mucocele. The complementary investigations helped to rule out the differential diagnosis and indicated a favorable prognosis, in view of the fact that the case was successfully resolved without complications or recurrence.(AU)


O presente relato teve como objetivo descrever as principais características da mucocele salivar parotídea em um coelho macho adulto, que apresentou uma massa flutuante indolor e com um conteúdo líquido em seu interior. Devido à necessidade de repetidas punções deste fluido, optou-se pela excisão cirúrgica como forma de tratamento. A avaliação pré-operatória incluiu radiografias e análises sanguíneas. O paciente foi submetido ao tratamento cirúrgico com excisão da glândula afetada. A anestesia inalatória foi mantida com isoflurano e os parâmetros cardio-respiratórios foram monitorados durante a cirurgia. Um eletrocautério bipolar foi utilizado para auxiliar na incisão e os fios poliglactina 910 e nylon foram utilizados na técnica de sutura. As medicações pós-operatórias incluíram agentes analgésicos, anti-inflamatórios e antibióticos. A histopatologia do tecido glandular removido revelou infiltrado inflamatório misto, fibroblastos, hemorragia e hiperemia. As observações neste caso sugerem que a remoção cirúrgica da glândula afetada seja o tratamento de escolha no manejo da mucocele em coelhos de companhia, o que já vem sendo identificado para outros animais. A coloração do ácido periódico reativo de Schiff confirmou o diagnóstico da mucocele salivar. Os exames complementares ajudaram a excluir as doenças que fazem parte do diagnóstico diferencial e indicaram um prognóstico favorável, tendo em vista o fato que este caso foi resolvido com sucesso, sem complicações ou recorrência.(AU)


Subject(s)
Animals , Male , Rabbits , Salivary Glands/surgery , Parotid Region/surgery , Mucocele/veterinary , Periodic Acid-Schiff Reaction/veterinary
19.
Rev. colomb. reumatol ; 27(supl.2): 90-101, oct.-dic. 2020. tab, graf
Article in Spanish | LILACS | ID: biblio-1341344

ABSTRACT

RESUMEN El síndrome de Sjögren (SS) es una enfermedad autoinmune que compromete la función de las glándulas exocrinas, produciendo xerostomía y xeroftalmia. El método utilizado para cuantificar la disfunción glandular salival es el flujo salival no estimulado (FSNE). Describir las principales técnicas de recolección del FSNE en pacientes con SS. Revisión sistemática de la literatura (guías PRISMA) de estudios observacionales tipo casos y controles, cohorte y corte transversal que incluyeran pacientes con síntomas secos y diagnóstico de SS por criterios clasificatorios internacionales, que fueran comparados con una población de referencia sana o con síntomas secos no Sjögren y en los cuales se reportara la técnica y el valor del FSNE como desenlace principal. Para la calificación del nivel y calidad de la evidencia se utilizaron las guías Oxford y el Joanna Briggs Institute. Veintinueve artículos fueron incluidos, con una población total de 2.730 pacientes: 1.397 casos y 1.333 controles. La técnica más frecuentemente reportada fue la de Navazesh por recogida espontánea de drenaje durante 5 min. El punto de corte más frecuentemente encontrado fue 0,1 ml/min. Por primera vez se describen, a través de una revisión sistemática de la literatura, las principales técnicas utilizadas para evaluar el FSNE en individuos con SS cuando se comparan con personas sanas o con síndrome seco no SS, resaltando que es una técnica validada, no invasiva, reproducible y de bajo costo.


ABSTRACT Introduction: Sjögren's syndrome (SS) is an autoimmune disease that compromises the function of exocrine glands, producing xerostomia and xerophthalmia. The method used to quantify saliva gland dysfunction is by unstimulated whole saliva flow (UWSF).To describe the main UWSF techniques in patients with SS. Systematic review of the literature (following PRISMA guidelines) of results that include analytical observational studies of case-control, cohort, and cross-sectional studies that include patients with sicca symptoms and diagnosis of SS by international classification criteria, which were compared with healthy subjects or those with non-Sjögren sicca symptoms, and in which the technique and the value of the UWSF was reported as the main outcome. Qualification of the level and quality of the evidence was obtained using the Oxford and Joanna Briggs Institute guidelines. A total of 29 articles were included, with total population of 2,730 patients: 1,397 cases and 1,333 controls. The most frequently reported technique was that of Navazesh by spontaneous drainage collection for 5 min. The most frequent cut-off point found was 0.1ml/min. For the first time in the literature, and by using a systematic review of the literature, a description is presented of the main techniques used to evaluate UWSF in individuals with SS when compared with healthy people or with sicca non-SS syndrome, highlighting that it is a valid, non-invasive, reproducible, and low cost technique.


Subject(s)
Humans , Adult , Middle Aged , Aged , Aged, 80 and over , Sjogren's Syndrome , Diagnosis , Salivary Glands , Cross-Sectional Studies , Low Cost Technology , Methods
20.
Int. j. odontostomatol. (Print) ; 14(4): 495-500, dic. 2020. tab, graf
Article in Spanish | LILACS | ID: biblio-1134526

ABSTRACT

RESUMEN: El virus SARS-CoV-2 ingresa al organismo de un individuo susceptible a través de la cavidad oral, nasal o de la mucosa conjuntival; busca ensamblarse por medio de su glicoproteína de superficie o espiga con los receptores de la enzima convertidora de angiotensina 2 que en boca los encontramos con mayor expresión en las células escamosas que recubren el epitelio lingual y las glándulas salivales, una vez que ingresa por medio de la activación de proteasas ingresa a la célula huésped para denudar su RNA viral, a diferencia de otros virus no necesita ir hasta el núcleo de tal forma que en el citoplasma inicia su replicación y utiliza los ribosomas del huésped para formar una gran cantidad de proteínas virales tanto estructurales como accesorias que le permita formar nuevos viriones potencialmente infecciosos; los estomatólogos deben tomar en cuenta esta vía de infección y extremar las medidas para disminuir su carga viral local en la cavidad oral y las barreras físicas de protección para el operador, el paciente y la ergonomía del consultorio.


ABSTRACT: SARS-CoV-2 virus enters the body of a susceptible individual through oral, nasal or conjunctival mucosa, seeking to bind to the spike glycoprotein surface through angiotensin-converting enzyme 2 receptors. These are found in the mouth with a higher expression in oral squamous cells that cover the lingual epithelium and salivary glands. Once proteolytic activation begins, it enters the host cell to denudate its viral RNA. In contrast with other viruses, it does not require nucleus access, and therefore replicates in the cytoplasm using the host's ribosomes to produce great amounts of both structural and accessory viral proteins. Since this generates new and potentially infectious virions, dentists must consider this route of infection and take extreme measures to decrease their viral load in the oral cavity. Physical protection barriers for the operator, the patient and the health and safety of the work place are critical in these cases.


Subject(s)
Humans , Pneumonia, Viral , Coronavirus Infections , Pandemics , Betacoronavirus , Salivary Glands/virology , Virology/methods , Peptidyl-Dipeptidase A , Host-Pathogen Interactions/genetics , Mouth
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