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1.
Braz. oral res. (Online) ; 37: e050, 2023. tab, graf
Article in English | LILACS-Express | LILACS, BBO | ID: biblio-1439744

ABSTRACT

Abstract The aim of this study was to describe the prevalence, clinicopathological, and prognostic features of acinic cell carcinoma (AciCC) of the oral and maxillofacial region. AciCC cases were retrospectively retrieved from 11 pathology centers of three different countries. Medical records were examined to extract demographic, clinical, pathologic, and follow-up information. A total of 75 cases were included. Females (65.33%) with a mean age of 45.51 years were mostly affected. The lesions usually presented as an asymptomatic (64.28%) nodule (95.66%) in the parotid gland (70.68%). The association of two histopathological patterns was the most common finding (48.93%) and the tumors presented mainly conventional histopathological grades (86.11%). Surgical treatment was performed in the majority of the cases (59.19%). Local recurrence was observed in 20% of the informed cases, regional metastasis in 30.43%, and distant metastasis in 12.50%. The statistical analysis showed that the cases with a solid histopathological pattern (p=0.01), high-grade transformation (p=0.008), recurrence (p=0.007), and regional metastasis (p=0.03) were associated with poor survival. In conclusion, high histopathological transformation, presence of nodal metastasis, and recurrence were prognostic factors for AciCC of the oral and maxillofacial region.

2.
Rev. Fac. Odontol. Porto Alegre (Online) ; 62(1): 56-62, jan.-jun. 2021.
Article in Portuguese | LILACS, BBO | ID: biblio-1443420

ABSTRACT

Introdução: as lesões odontogênicas (LOs) compreendem um grupo heterogêneo de patologias orais e maxilofaciais que apresentam características distintas. O objetivo do presente estudo foi identificar as características clínico--patológicas das LOs diagnosticadas em um hospital da região sul do Brasil. Materiais e métodos: foi realizado um estudo retrospectivo para levantamento dos casos com diagnóstico histopatológico de LOs no período entre 2007 e 2017. Os laudos dos pacientes foram avaliados para extração das características clínico-patológicas e dos diagnósticos histopatológicos de cada caso. Resultados: um total de 255 casos de LOs foram identificados. Destes casos, 197 (77%) cistos odontogênicos e 58 (23%) tumores odontogênicos foram coletados, sendo que somente um caso (0,39%) possuiu o diagnóstico de neoplasia odonto-gênica maligna. Os diagnósticos mais prevalentes foram cisto radicular (32,5%) e cisto dentígero (31,76%), seguidos de ceratocisto odontogênico (10,98%), odontoma (10%) e ameloblastoma (10%). A maioria dos casos acometeu mandíbula (53,7%), com uma discreta predileção pelo sexo feminino (51%). A média de idade foi de 34±20,53 anos. Discussão: os dados apresentados corroboram com a literatura no que se refere à raridade do diagnóstico de tumores odontogênicos. Conclusão: o presente estudo demonstrou as principais características clínico-pato-lógicas de LOs diagnosticadas em um hospital no sul do Brasil, contribuindo para um maior conhecimento do perfil destas lesões.


Introduction: odontogenic lesions (OLs) represent a heterogeneous group of oral and maxillofacial patho-logies presenting distinct characteristics. The present study aimed to identify the clinical and pathological characteristics of OLs diagnosed in a southern Brazilian hospital. Materials and methods: a retrospective study was performed to evaluate cases with histopathological diagnosis of OLs identified in the period between 2007 and 2017. The patient's medical records were evaluated in order to obtain the clinical and pathological charac-teristics and the histopathological diagnosis from each case. Results: a total of 255 cases of OLs were identified. From these, 197 (77%) odontogenic cysts and 58 (23%) odontogenic tumors were surveyed, with only one case (0,39%) of a malignant odontogenic neoplasm. The most prevalent diagnosis were radicular cyst (32.5%) and den-tigerous cyst (31.76%), followed by odontogenic keratocyst (10.98%), odontoma (10%) and ameloblastoma (10%). The majority of the cases affected the mandible (53.7%) with a slight preference by female individuals (51%). The mean age was 34±20.53 years old. Discussion: the presented data are in accordance with the literature regarding the rarity of the diagnosis of odontogenic tumors.Conclusion: the present study demonstrated the main clinical and pathological characteristics of OLs diagnosed in a southern Brazilian hospital, contrib-uting to a better understanding of these injuries profiles.


Subject(s)
Humans , Male , Female , Odontogenic Cysts/epidemiology , Retrospective Studies , Neoplasms/epidemiology , Ameloblastoma , Dentigerous Cyst , Odontoma , Radicular Cyst , Odontogenic Cyst, Calcifying
3.
CoDAS ; 31(4): e20180176, 2019. tab, graf
Article in Portuguese | LILACS | ID: biblio-1019721

ABSTRACT

RESUMO Objetivo Analisar os efeitos da eletroestimulação sobre o fluxo salivar de pacientes com hipossalivação induzida por radioterapia em região de cabeça e pescoço. Estratégia de pesquisa Utilizaram-se as bases de dados Medline (via Pubmed), Cochrane Library, Scopus e Lilacs. Critérios de seleção Foram selecionados os ensaios clínicos que avaliaram objetivamente o fluxo salivar, publicados nos últimos 10 anos em português, inglês ou espanhol. Análise dos dados Para avaliação metodológica dos estudos, foi utilizada a escala PEDro. Resultados A estratégia de busca resultou em 21 publicações, sendo que 17 foram excluídas, selecionando-se assim 4 artigos. Os estudos incluídos contaram com um total de 212 participantes, sendo que todos demonstraram aumento do fluxo salivar, tanto por meio do método de eletroacupuntura quanto pela estimulação aplicada diretamente sobre as glândulas salivares. A pontuação obtida por meio da escala PEDro foi baixa, evidenciando qualidade metodológica baixa e com consideráveis riscos de viés. Conclusão os estudos incluídos demonstram o potencial clínico da TENS no aumento do fluxo salivar de pacientes com câncer de cabeça e pescoço tratados com RT.


ABSTRACT Purpose To analyze the effects of electrical stimulation on the salivary flow of head and neck cancer patients with radiotherapy-induced hyposalivation. Research strategies Searches were made in the Medline (via Pubmed), Cochrane Library, Scopus and Lilacs databases. Selection criteria Selection included clinical trials that evaluated salivary flow objectively, published in the last 10 years in either Portuguese, English or Spanish. Data analysis The PEDro scale was used for the methodological evaluation of the studies. Results The search strategy resulted in 21 publications, 17 of which were excluded, hence there were 4 articles left. The included studies had a total of 212 participants, all of whom had an increase in salivary flow, both through the electroacupuncture method and direct application on the salivary glands. The score obtained through the PEDRo scale was low, evidencing questionable methodological quality and risk of bias. Conclusion The included studies demonstrate the clinical potential of TENS to increase the salivary flow of head and neck cancer patients treated with RT.


Subject(s)
Humans , Radiotherapy/adverse effects , Xerostomia/therapy , Electric Stimulation , Xerostomia/etiology , Clinical Trials as Topic , Head and Neck Neoplasms/radiotherapy
4.
CoDAS ; 30(3): e20170143, 2018. tab, graf
Article in Portuguese | LILACS | ID: biblio-952849

ABSTRACT

RESUMO Objetivo Verificar o efeito agudo da eletroestimulação sobre o fluxo salivar de pacientes com hipossalivação. Método Ensaio clínico não controlado que avaliou o efeito de uma única aplicação da Transcutaneous Electric Nerve Stimulation (TENS) sobre o fluxo salivar de 15 pacientes com hipossalivação induzida por radioterapia (RT), utilizada no tratamento de câncer de cabeça e pescoço. A média de idade dos pacientes foi de 56,8 ± 6,46 anos e o gênero masculino foi predominante (73%). A TENS foi programada com 50Hz de frequência, 250μs de largura de pulso e a intensidade foi ajustada ao longo dos 20 minutos conforme máxima tolerância. Os eletrodos foram fixados bilateralmente sobre a região das glândulas salivares. A avaliação do fluxo salivar foi realizada por meio de sialometria estimulada, antes e imediatamente após a aplicação da TENS. Resultados Em 80% dos casos, o tratamento oncológico incluiu quimioterapia. A RT foi aplicada em 80% dos casos na região e orofaringe, com intensidade média de 64,6 ± 7,27 Gy. Após a TENS, o fluxo salivar aumentou significativamente (p = 0,0051), passando de 0,05 (0,00; 0,40) mL/min para 0,10 (0,07;0,40) mL/min. A resposta à TENS foi diretamente correlacionada à intensidade da corrente elétrica tolerada (r = 0,553; p = 0,032) e à dose utilizada na RT (r = -0,514; p = 0,050). Conclusão A TENS aumentou significativamente o fluxo salivar de pacientes com hipossalivação induzida pela RT.


ABSTRACT Purpose To verify the acute effect of electrostimulation on the salivary flow of patients with hyposalivation. Methods Uncontrolled clinical trial evaluating 15 patients with hyposalivation induced by radiotherapy (RT) used for head and neck cancer treatment. Mean age of the patients was 56.8 ± 6.46 years. Males outnumbered females (73%). Transcutaneous Electrical Nerve Stimulation (TENS) was adjusted with 50Hz of frequency and 250μs of pulse width. Intensity was adjusted over a 20-minute period according to maximum tolerance. The electrodes were attached bilaterally on the region of the salivary glands. Evaluation of the salivary flow was performed through sialometry before and immediately after application of TENS. Results The most prevalent region for RT was the oropharynx (80.0% of cases). The mean dose used in RT was 64.6 ± 7.27 Gy. After TENS, salivary flow increased significantly (p = 0.0051) from 0.05 (0.00; 0.40) mL/min to 0.10 (0.07: 0.40) mL/min. The response to TENS was directly correlated with the intensity of the tolerated electric current (r = 0.553; p = 0.032) and the dose used in RT (r = -0.514; p = 0.050). Conclusion TENS was able to increase the salivary flow rate of patients with RT-induced hyposalivation.


Subject(s)
Humans , Male , Female , Salivary Glands/radiation effects , Xerostomia/therapy , Transcutaneous Electric Nerve Stimulation , Head and Neck Neoplasms/radiotherapy , Radiation Dosage , Radiotherapy/adverse effects , Saliva/metabolism , Salivation/radiation effects , Xerostomia/etiology , Radiotherapy, Intensity-Modulated , Middle Aged
5.
Braz. j. otorhinolaryngol. (Impr.) ; 79(2): 190-195, mar.-abr. 2013. tab
Article in Portuguese | LILACS | ID: lil-673226

ABSTRACT

Há décadas se conhece a importância de se obter margens livres de neoplasia quando da ressecção de neoplasias de boca. OBJETIVO: Correlacionar achados clínico-patológicos com status de margem cirúrgica em pacientes com carcinoma espinocelular da língua e do assoalho da boca. MÉTODO: Forma de estudo: Estudo de coorte histórico, com corte transversal, envolvendo todos os pacientes submetidos à ressecção de carcinomas espinocelulares da língua oral e assoalho bucal entre os anos de 2007 e 2011 pelo Serviço de Cirurgia de Cabeça e Pescoço da nossa Instituição. RESULTADOS: Foram incluídos 117 casos, sendo 68.3% dos tumores localizados na língua. A relação homem:mulher foi de 2.3:1 e a média de idade foi de 57,6 anos. Ao todo, 23,0% dos casos tiveram margens de ressecção livres e amplas, 60,6% exíguas e 16,2% comprometidas. Diâmetro tumoral e espessura apresentaram correlação com margens de ressecção, sendo os tumores de estádio T mais elevados mais propensos à ressecção com margem insatisfatória. Casos operados com margens livres e amplas tiveram seus tumores ressecados mais comumente com técnicas trans-orais. CONCLUSÕES: Evidenciamos correlação entre tumores de maior volume, tanto em diâmetro quanto em espessura, com margens de ressecção insatisfatórias. Técnicas cirúrgicas de maior complexidade não tiveram associação com melhores margens de ressecção.


The importance of having tumor-free margins when resecting oral neoplasms has been known for decades. OBJECTIVE: To correlate clinical and pathology data to surgical margin status in patients with squamous cell carcinoma of the tongue and floor of the mouth. METHOD: This historical cohort cross-sectional study included all patients submitted to squamous cell carcinoma resection for tumors of the oral tongue and floor of the mouth between 2007 and 2011 at the Head and Neck Surgery service of our institution. RESULTS: In the 117 cases included, 68.3% had tongue tumors. The male-to-female ratio was 2.3:1 and patient mean age was 57.6 years. Broad free resection margins were seen in 23.0% of the cases; narrow margins in 60.6% of the cases; and compromised margins in 16.2%. Tumor diameter and thickness were correlated to resection margins. Tumors in more advanced T-stages presented more unsatisfactory margins. Patients operated with broad free margins had their tumors resected more commonly through transoral approaches. CONCLUSIONS: Tumors of larger volume both in terms of diameter and thickness were more correlated to unsatisfactory resection margins. Higher complexity procedures were not associated with better resection margins.


Subject(s)
Aged , Female , Humans , Male , Middle Aged , Carcinoma, Squamous Cell/surgery , Mouth Neoplasms/surgery , Tumor Burden , Cohort Studies , Cross-Sectional Studies , Carcinoma, Squamous Cell/pathology , Mouth Neoplasms/pathology , Neoplasm Staging , Neoplasm, Residual , Neoplasm Recurrence, Local/prevention & control , Tongue Neoplasms/pathology , Tongue Neoplasms/surgery
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