Estudio de la vía aérea superior frente a apneas obstructivas del sueño persistentes en pediatría / An approach to the upper airway evaluation in pediatric persistent obstructive sleep apnea

El síndrome de apneas obstructivas del sueño (SAOS) en pediatría constituye un trastorno asociado a múltiples consecuencias en el espectro cognitivo y comportamental. El principal factor de riesgo asociado es la hipertrofia amigdalina y las vegetaciones adenoideas. La adenoamigdalectomía es el tratamiento de primera línea. La incidencia del SAOS persistente varía entre un 15 % y un 75 % según las comorbilidades. Este se presenta como un desafío a la hora de tratarlo; requiere un abordaje integral para su diagnóstico y tratamiento adecuado. El objetivo de esta revisión bibliográfica es proponer un abordaje diagnóstico y terapéutico para el SAOS persistente.

In pediatrics, obstructive sleep apnea syndrome (OSAS) is a disorder associated with multiple consequences at the cognitive and behavioral level. The main associated risk factor is the presence of tonsillar hypertrophy and adenoids. An adenotonsillectomy is the first-line treatment. The incidence of persistent OSAS varies from 15% to 75%, depending on comorbidities. This is a challenge in terms of management; it requires a comprehensive approach for an adequate diagnosis and treatment. The objective of this bibliographic review is to propose a diagnostic and therapeutic approach for persistent OSAS.

Indicación de amigdalectomía en pacientes pediátricos por sospecha de trastorno linfoproliferativo postrasplante / Indication for tonsillectomy in pediatric patients with suspected post-transplant lymphoproliferative disorder

Un sitio común de hiperplasia linfoidea en los trastornos linfoproliferativos postrasplante (TLPT) son las amígdalas palatinas. Sin embargo, la hipertrofia amigdalina es extremadamente común en niños, lo que dificulta la sospecha de estos trastornos. Se realizó un estudio de una serie de casos de pacientes trasplantados intervenidos de amigdalectomía por sospecha de TLPT en un hospital pediátrico de alta complejidad en Argentina desde enero de 2014 hasta diciembre de 2021. El objetivo de este trabajo es exponer las características clínicas de los pacientes trasplantados a los que se les indicó amigdalectomía con fin diagnóstico de TLPT.

A common site of lymphoid hyperplasia in post-transplant lymphoproliferative disorders (PTLD) is the palatine tonsils. However, tonsillar hypertrophy is extremely common in children, which hinders the suspicion of PTLD. A case series of transplanted patients undergoing tonsillectomy for suspected PTLD was conducted at a tertiary care children's hospital in Argentina between January 2014 and December 2021. The objective of this study is to expose the clinical characteristics of transplanted patients who underwent a tonsillectomy to diagnose PTLD

Study on in vitro differentiation of human adenoid-derived mesenchymal stem cells into olfactory sensory neurons / 中华耳鼻咽喉头颈外科杂志

Objective: To investigate the feasibility of isolation and culture of human adenoid-derived mesenchymal stem cells (aMSCs) in vitro, and to observe the differentiation of aMSCs into olfactory sensory neurons. Methods: Adenoid tissues surgically removed from children with adenoid hypertrophy in the Second Xiangya Hospital of Central South University from September to November of 2020 were collected. The adenoid tissues were digested and isolated by trypsin and then cultured with adhesion method. The expressions of cell surface antigens CD45, CD73 and CD90 on aMSCs of P5 generation were tested by flow cytometry, and the ability of osteogenic and adipogenic induction were used to identify cell differentiation ability. Then, aMSCs were induced into differentiation by retinoic acid (RA), sonic hedgehog (SHH), basic fibroblast growth factor (bFGF), RA+SHH, RA+bFGF, SHH+bFGF and RA+SHH+bFGF, respectively. The morphology of differentiated cells was observed under inverted microscope. The expression of β-tubulin 3, which was the specific marker of sensory neuron, the expressions of growth associated protein-43 (GAP43) and olfactory maker protein (OMP), which were the specific markers of olfactory sensory neuron, were detected by immunofluorescence antibody assay. The expression intensities were compared by Chi-square test of four-grid table data. Results: aMSCs were successively isolated and cultured from human adenoid tissues. P0 cells generation had good adhesion and proliferation performance. P2 cells were basically purified. P5 cells expressed CD73 and CD90 with the purity of 99.3% and 99.75% respectively, without CD45 expression. P5 cells had a good ability of osteogenic differentiation and adipogenic differentiation. Neuron-like morphology and expression of β-tubulin 3 were found in differentiated cells after induced by RA, SHH, or bFGF, respectively. An induction of expression of GAP43 was found in differentiated cells of bFGF+SHH group and RA+SHH+bFGF group, without expression of OMP of each group. The intensity of GAP43 expression of RA+SHH+bFGF group was stronger than that of bFGF+SHH group (χ2=17.48, P<0.005). Conclusions: aMSCs can be cultured from human adenoid tissues, with the stably passaged and good differentiation ability. As a new population of mesenchymal stem cells, aMSCs have the neuroregenerative properties and could differentiate into immature olfactory sensory neurons under the induction of RA+SHH+bFGF in vitro.

Application of virtual endoscopy in the diagnosis of adenoid hypertrophy and the morphologic classification of adenoid / 临床耳鼻咽喉头颈外科杂志

Objective:To discuss the application of virtual endoscopy in the diagnosis of adenoid hypertrophy and the morphologic classification of adenoid. Methods:The clinical data of 97 children with adenoid hypertrophy admitted to Department of Otorhinolaryngology Head and Neck Surgery, Shenzhen University General Hospital from July 2022 to December 2022 were collected. The virtual endoscopic reconstruction of the nasopharynx was performed by cone beam computed tomography. The results of virtual endoscopic adenoid size measurement were compared with the results of nasopharyngeal CT median sagittal position and nasopharyngeal endoscopy. Virtual endoscopic classification of adenoid based on the size of the adenoids and their relationship with the torus tubarius. Results:The t-test results of the size of adenoids measured by virtual endoscopy and nasopharyngeal CT were t=1.699 and P=0.093, and the results of intra-group correlation coefficient（ICC） analysis were ICC=0.921 and P<0.01. The proportion of adenoids measured by virtual endoscopy and nasopharyngeal CT was highly consistent. The t-test results of the size of adenoids measured virtual endoscopy and nasopharyngeal endoscopy were t=1.543 and P=0.15, and the results of intra-group correlation coefficient（ICC） analysis were ICC=0.900 and P<0.01. The proportion of adenoids measured by virtual endoscopy and nasopharyngeal endoscopy was highly consistent. Among the 97 children, the morphological classification results of adenoids were 48 cases of overall hypertrophy type, 47 cases of central bulge type, and 2 cases of flat thickening type. Conclusion:The diagnosis of adenoid hypertrophy by virtual endoscopy has high accuracy, which not only avoids the invasive operation of traditional nasopharyngeal endoscopy, but also can observe the adenoid condition and its relationship with the torus tubarius from multiple angles. And, the morphological classification of adenoids using virtual endoscopy has guiding significance for perioperative preparation.

Application of U-Net network in automatic image segmentation of adenoid and airway of nasopharynx / 临床耳鼻咽喉头颈外科杂志

Objective:To explore the effect of fully automatic image segmentation of adenoid and nasopharyngeal airway by deep learning model based on U-Net network. Methods:From March 2021 to March 2022, 240 children underwent cone beam computed tomography（CBCT） in the Department of Otolaryngology, Head and Neck Surgery, General Hospital of Shenzhen University. 52 of them were selected for manual labeling of nasopharynx airway and adenoid, and then were trained and verified by the deep learning model. After applying the model to the remaining data, compare the differences between conventional two-dimensional indicators and deep learning three-dimensional indicators in 240 datasets. Results:For the 52 cases of modeling and training data sets, there was no significant difference between the prediction results of deep learning and the manual labeling results of doctors（P>0.05）. The model evaluation index of nasopharyngeal airway volume: Mean Intersection over Union（MIOU） s （86.32±0.54）%; Dice Similarity Coefficient（DSC）: （92.91±0.23）%; Accuracy: （95.92±0.25）%; Precision: （91.93±0.14）%; and the model evaluation index of Adenoid volume: MIOU: （86.28±0.61）%; DSC: （92.88±0.17）%; Accuracy: （95.90±0.29）%; Precision: （92.30±0.23）%. There was a positive correlation between the two-dimensional index A/N and the three-dimensional index AV/（AV+NAV） in 240 children of different age groups（P<0.05）, and the correlation coefficient of 9-13 years old was 0.74. Conclusion:The deep learning model based on U-Net network has a good effect on the automatic image segmentation of adenoid and nasopharynx airway, and has high application value. The model has a certain generalization ability.

Effects of mouth opening breathing for different reasons on maxillofacial development in children / 临床耳鼻咽喉头颈外科杂志

Objective:To explore the effects of mouth opening breathing for different reasons on children's maxillofacial development. Methods:One hundred and fifty-one children were selected as the research objects of this experiment. They were divided into 49 cases of adenoid hypertrophy group（group A）, 52 cases of tonsillar hypertrophy group（group B） and 50 cases of adenoid with tonsillar hypertrophy group（Group C）. Healthy children in the same period were selected as the control group, a total of 45 cases. The reflex nasopharyngeal measurement parameters, facial development indexes and cephalometric parameters of group A, group B, group C and control group were analyzed, and the incidence of Angle ClassⅡand Angle Class Ⅲ in group A, group B and group C were studied. Results:Compared with the control group, the reflex nasopharyngeal measurement parameters in group A, group B and group C was significantly different（P<0.05）, and the cephalometric parameters changed with variation in groups（P<0.05）. The incidence of Angle Class Ⅱ facial pattern in group A and group C was higher, but the incidence of Angle Class Ⅲ facial pattern in group B and group C was higher（P<0.05）. Conclusion:Adenoid hypertrophy leads to mandibular retraction; tonsil hypertrophy leads to anterior mandibular arch; adenoid hypertrophy and tonsil hypertrophy are easy to lead to clockwise rotation of the mandible. In clinical practice, to avoid children's uncoordinated maxillofacial development, we should correct the maxillofacial situation of children as soon as possible.

Analysis of adenoid hyperplasia and its influencing factors of neonates / 中华耳鼻咽喉头颈外科杂志

Objective: To explore the characteristics of neonatal adenoid development and to study the relationship between neonatal adenoid development and disease. Methods: A retrospective analysis of neonates who received an electronic rhinopharyngolaryngoscope at Shenzhen Children's Hospital from January 2019 to December 2020 was conducted to track the children's medical history and to analyze the adenoid development status. All 131 neonates successfully completed the electronic laryngoscopy. According to the presence or absence of visible adenoid hyperplasia, they were divided into a hyperplasia group (81 cases, 61.83%) and an un-hyperplasia group (50 cases, 38.17%). Results: Compared with the un-hyperplasia group, the age and birth weight of the adenoid hyperplasia group were larger, and the difference was statistically significant (Z age=-4.634,Z weight=-2.273,all P<0.05), but there was no significant difference in gender and gestational age between the two groups. The number of neonates with rhinitis/sinusitis in the hyperplasia group were significantly more than those in the un-hyperplasia group (62.96% vs 48%). Conclusion: The development of neonatal adenoids is related to daily age, birth weight, but not significantly related to gender and gestational age.

Preliminary experience of surgical treatment for torus tubarius hypertrophy in children / 中华耳鼻咽喉头颈外科杂志

Objective: To assess the incidence of symptomatic torus tubarius hypertrophy (TTH) in recurred OSA in children, and to explore the preliminary experience of partial resection of TTH assisted with radiofrequency ablation. Methods: From January 2004 to February 2020, 4 922 children, who diagnosed as OSA and received adenotonsillectomy at the Department of Otolaryngology, The 4th Medical Center of the PLA General Hospital, were retrospectively reviewed. There were 3 266 males and 1 656 females, the age ranged from 1 to 14 years old(median age of 5.0 years). Twenty-two cases were identified with recurrence of OSA syndrome, and the clinical data, including sex, age of primary operation, age of recurrence and presentation, and opertation methods were analyzed. Follow-up was carried out by outpatient visit or telephone. Graphpad prism 5.0 software was used for statistical analysis. Results: Twenty-two cases were identified as recurred OSA and received revised surgery in 4 922 cases. Among these 22 cases, 11 cases were diagnosed as TTH resulting in an incidence of 2.23‰(11/4 922), 1 case was cicatricial adhesion on tubal torus (0.20‰, 1/4 922), 10 cases were residual adenoid combined with tubal tonsil hypertrophy (2.03‰, 10/4 922). Median age of primary operation was 3.0 years (range:2.4 to 6.0 years) in 11 TTH cases. Recurrent interval varied from 2 months to 5.5 years (2.4±1.9 years) after first operation. Age of revised partial resection of TTH was 7.0±2.7 years (range: 4.0 to 12.0 years). Average time interval between primary operation and revised operation was 3.5±2.1 years (range: 0.5 to 6.0 years). Individualized treatments were carried out based on partial resection of TTH assisted with radiofrequency ablation. All of 11 cases received satisfied therapeutic results without nasopharyngeal stenosis occured. Twenty-two cases were followed up for 1.6 to 13 years (median follow-up time was 6.2 years). Conclusions: TTH contributed to recurred OSA in child. TTH might be misdiagnosed as tubal tonsil hypertrophy. Partial resection of TTH assisted with radiofrequency ablation was a safty and effective treatment.

Research advances on signaling pathways affecting sweat gland development and their involvement in the reconstitution of sweat adenoid cells in vitro / 中华烧伤杂志

The damage of sweat glands in patients with extensive deep burns results in the loss of thermoregulation, which seriously affects the quality of life of patients. At present, there are many researches on the repair of sweat gland function, but the mechanism of human sweat gland development has not been fully clarified. More and more studies have shown that the cascaded pathways of Wnt/β-catenin, ecto- dysplasin A/ectodysplasin A receptor/nuclear factor-κB, sonic hedgehog, and forkhead box transcription factor jointly affect the development of sweat glands, and it has been reported that the cascaded signaling pathways can be used to achieve the reconstruction of sweat adenoid cells in vitro. This article reviews the signaling pathways that affect the development of sweat glands and their involvement in the reconstruction of sweat adenoid cells in vitro.

Egresos hospitalarios por enfermedades otorrinolaringológicas, Chile 2018 / Hospital discharges for otorhinolaryngological diseases, Chile 2018

Resumen Introducción: Las enfermedades otorrinolaringológicas presentan una alta prevalencia en la población, lo que obliga continuamente a estudiar sus características epidemiológicas. Una forma de estimarlo a nivel país es a través de los egresos hospitalarios. Objetivo: Describir las principales causas de egresos hospitalarios por enfermedades otorrinolaringológicas a nivel nacional durante el año 2018. Material y Método: Estudio transversal donde se describen las distintas frecuencias de las principales causas de egresos hospitalarios por causa otorrinolaringológica en todo Chile durante el año 2018. Datos obtenidos del Departamento de Estadísticas e Información en Salud (DEIS). Resultados: Se incluyeron 64.715 egresos con una mediana de edad de 22 años. Las patologías con mayor cantidad de egresos fueron la enfermedad crónica de amígdalas y adenoides (28,4%), patología rinosinusal (23,3%), neoplasias de cabeza y cuello (15,2%) y oído (7,8%). Conclusión: La enfermedad crónica de amígdalas y adenoides persiste como la patología con más egresos. Emergen en importancia enfermedades neoplásicas y diagnósticos relacionados con mejora de calidad de vida. Existen errores de codificación de diagnósticos que requieren discusión dentro de la especialidad para mejorar la calidad del registro.

Abstract Introduction: Otolaryngological diseases have a high prevalence in the population, creating the need to continuously study their epidemiological characteristics. One way to estimate prevalence at the country level, is to check hospital discharges. Aim: To describe the main causes of hospital discharges due to otolaryngological diseases at the Chilean level during 2018. Material and Method: Cross-sectional study describing the different frequencies of the main causes of hospital discharge due to otolaryngological diseases throughout Chile during 2018. Data obtained from the Department of Health Statistics and Information (DEIS). Results: 64,715 discharges were included with a median age of 22 years. The pathologies with the highest number of discharges were chronic tonsil and adenoids Disease (28.4%), rhinosinusal (23.3%), head and neck neoplasms (15.2%) and ear (7.8%). Conclusion: Chronic tonsil and adenoids disease persists as the pathology with the most discharges. Neoplastic diseases and diagnoses related to improvement of quality of life emerge in importance. There are errors in the coding of diagnoses that require discussion within the specialty to improve the quality of the registry.

Recomendaciones para el manejo clínico del niño en el posoperatorio de adenoamigdalectomía / Recommendations for the clinical management of the child in the postoperative adenoamygdalectomy

El síndrome de apneas e hipoapneas obstructivas del sueño se asocia con una disminución de la calidad de vida, bajo rendimiento escolar y, hasta en el 40% de los niños, trastornos de conducta como hiperactividad, enuresis, ansiedad y depresión. Varios estudios demostraron que la adenoamigdalectomía es efectiva para mejorar o resolver los trastornos respiratorios del sueño. Si bien esta cirugía tiene resultados beneficiosos, no está exenta de riesgos. El dolor y el sangrado posoperatorio son las dos causas principales de morbilidad. Otras complicaciones de la cirugía son las náuseas y los vómitos posoperatorios, el retraso en la alimentación, la deshidratación, la otalgia referida, los cambios en la voz y, raras veces, la muerte.En este artículo se realizan recomendaciones sobre el cuidado posoperatorio de los niños con adenoamigdalectomía

Obstructive sleep apnea and hypopnea syndrome is associated with decreased quality of life, poor school performance and, in up to 40% of children, behavioral problems such as hyperactivity, enuresis, anxiety and depression. Several studies have shown that adenoamygdalectomy is effective in improving or resolving sleep-disordered breathing. While this surgery has beneficial results, it is not without risks. Postoperative pain and bleeding are the two main causes of morbidity. Other complications of surgery include postoperative nausea and vomiting, delayed feeding, dehydration, referred earache, voice changes, and, rarely, death. Recommendations on postoperative care for children undergoing adenoamygdalectomy are mentioned in this article.

Study on changes of voice characteristics after adenotonsillectomy or adenoidectomy in children / 中华耳鼻咽喉头颈外科杂志

Objective: To study voice changes in children after adenotonsillectomy or adenoidectomy and the relationship with the vocal tract structure. Methods: Fifty patients were recruited in this study prospectively, aged from 4 to 12 years old with the median age of 6. They were underwent adenotonsillectomy or adenoidectomy in Beijing Tongren Hospital, Capital Medical University from July 2019 to August 2020. In the cases, there are 31 males and 19 females. Thirty-six patients underwent adenotonsillectomy and 14 patients underwent adenoidectomy alone. Twenty-two children (13 males, 9 females) with Ⅰ degree of bilateral tonsils without adenoid hypertrophy and no snoring were selected as normal controls. Adenoid and tonsil sizes were evaluated. Subjective changes of voice were recorded after surgery. Moreover, voice data including fundamental frequency(F0), jitter, shimmer, noise to harmonic ratio(NHR), maximum phonation time(MPT), formant frequencies(F1-F5) and bandwidths(B1-B5) of vowel/a/and/i/were analyzed before, 3 days and 1 month after surgery respectively.SPSS 23.0 was used for statistical analysis. Results: Thirty-six patients(72.0%,36/50) complained of postoperative voice changes. The incidence was inversely correlated with age. In children aged 4-6, 7-9, and 10-12, the incidence was 83.3%(25/30), 63.6%(7/11) and 44.4%(4/9) respectively. Voice changes appeared more common in children underwent adenotonsillectomy(77.8%,28/36) than in those underwent adenoidectomy alone(57.1%,8/14), but there was no statistical difference. After operation, for vowel/a/, MPT(Z=2.18,P=0.041) and F2(t=2.13,P=0.040) increased, B2(Z=2.04,P=0.041) and B4(Z=2.00,P=0.046) decreased. For vowel/i/, F2(t=2.035,P=0.050) and F4(t=4.44,P=0.0001) increased, B2(Z=2.36,P=0.019) decreased. Other acoustic parameters were not significantly different from those before surgery. The F2(r=-0.392, P =0.032) of vowel/a/and F2(r=-0.279, P=0.048) and F4 (r=-0.401, P =0.028) of vowel/i/after adenotonsillectomy were significantly higher than those of adenoidectomy alone. Half of patients with postopertive voice changes can recover spontaneously 1 month after surgery. Conclusions: Voice changes in children underwent adenotonsillectomy or adenoidectomy might be related to their changes in formants and bandwidths. The effect of adenotonsillectomy on voice was more significant compared with that of adenoidectomy alone. The acoustic parameters did not change significantly after surgery except MPT.

Amígdalas y adenoides: defensa ante agentes patógenos y su implicancia estomatológica / Tonsils and adenoids: defend to pathogenic agents and their stomatological involvement

La función de las amígdalas siempre ha sido discutida, desde afirmar que no tenían funcionalidad, hasta la actualidad que se plantea un papel inmunológico, con actividad linfocitaria de defensa, debido a la localización de linfocitos en el tejido de las amígdalas. Este artículo de actualización pretende describir desde la embriología, histología, fisiología, patología y estomatología, el rol que desempeñan las mismas en su papel inmunológico ante la acción de agentes patógenos. Se destaca la acción conjunta de las amígdalas palatinas, amígdalas faríngeas o adenoides, amígdalas peritubarias, amígdalas linguales y todo el resto de tejido linfático que conforman el anillo linfático faríngeo o anillo de Waldeyer, ya que cumplen un rol determinante en la defensa del organismo (AU)

The function of the tonsils has always been debated, from stating that they had no functionality, to the present day that an immunological role is proposed, with lymphocyte defense activity, due to the location of lymphocytes in the tissue of the tonsils. This update article aims to describe from embryology, histology, physiology, pathology and stomatology, the role they play in their immunological role against the action of pathogens. The joint action of the palatine tonsils, pharyngeal or adenoid tonsils, peritubal tonsils, lingual tonsils and all the rest of the lymphatic tissue that make up the pharyngeal lymphatic ring or Waldeyer's ring is highlighted, since they play a decisive role in the defense of the organism (AU)

Evaluación del impacto de la apnea obstructiva del sueño (OSA) Gestión de la calidad de vida (QoL) en pacientes pediátricos: un estudio transversal / Assessing the Impact of Obstructive Sleep Apnea (OSA) Management on Quality of Life (QoL) in Pediatric Patients: A Cross-Sectional Study

Objective: The study aims to assess the impact of obstructive sleep apnea on quality of life in pediatric patients along with their management approaches. Methodology: The study has applied a cross-sectional design to recruit children, visiting ENT clinics with the suggestion of obstructive sleep apnea. History and OSA assessment were collected for these children from the hospital. Besides this, OSA-18 questionnaire was used to collect the data, translated into Arabic language for respondents' feasibility. Results: A total of 24 patients (40%) were able to cure with medical treatment, whereas 36 patients (60%) were provided with surgical treatment. There were significant association between medical management and parental smoking (p-value=0.011), OSA score (p-value-0.003) and the size of adenoid (p-value=0.008). A significant association was also shown between size of adenoid and severity of OSA18 (p-value=0.031). No significant difference was shown between parental smoking, allergic rhinitis and severity of OSA. Conclusion: Although the surgical management is still the main modality in treating OSA, medical treatment plays an important role especially in cases with mild OSA, small adenoids and indoor smoking.

Expression of thymidylate synthase in salivary adenoid myoepithelial cells and its clinical significance / 南方医科大学学报

OBJECTIVE@#To evaluate the expression of thymidylate synthase (TS) in myoepithelial cells (MECs) of salivary adenoid tissues and explore its clinical significance.@*METHODS@#Immunohistochemical staining EnVision method was used to detect the expression of TS, P63, Calponin, CK5/6 and S-100 in 32 salivary gland specimens, including 10 non-neoplastic and salivary inflammation specimens, 11 mixed tumor specimens, 5 basal cell carcinoma specimens and 6 adenoid cyst carcinoma specimens. The specificity and sensitivity of TS as a specific molecular marker of salivary muscle epithelial cells were evaluated in comparison with P63, Calponin, CK5/6 and S-100.@*RESULTS@#The expression pattern of TS in all the salivary gland tissue specimens was identical with that of p63. TS and P63 both showed strong immunohistochemical expressions in MECs of salivary adenoid tissue specimens. Calponin, CK5/6, and S-100 showed cytoplasmic/membranous expressions in the MECs. In addition, TS exhibited weak or moderate cytoplasmic expression in a few salivary gland epithelial cells, cancer cells and scattered stromal cells, with negative expression in the cell nuclei. The expression of TS in the MECs of all the salivary adenoid specimens was highly consistent with those of P63, Calponin, CK5/6 and S-100 (>0.05) Except for CK5/6 expression in Salivary inflammation and Salivary gland specimens. Kappa>0.75. The specificity and sensitivity of TS as a molecular marker of MECs were both 100%.@*CONCLUSIONS@#TS is a new specific marker of MECs for differential diagnosis of salivary gland tumors.

Assessment of nasopharyngeal airway volume in pediatric patients with adenoid hypertrophy by cone-beam computerized tomography / Volumen de la vía aérea nasofaríngea en pacientes pediátricos con hipertrofia adenoidea: evaluación por tomografía computarizada de haz cónico

Objective: Adenoid hypertrophy is a disease whose most serious effect is the obstruction of the nasopharyngeal airway, leading to severe dentoskeletal deformities. The aim of this study was to determine the volume of the nasopharynx in patients with different grades of adenoid hypertrophy. Materials and methods: A retrospective study was conducted. One hundred and twenty-five cone beam computed tomographies of 8 to 12-year-old pediatric patients, obtained from the 2014-2017 database of the School of Dentistry of Universidad de San Martin de Porres, were selected. Romexis 3.6.0 software (PlanMeca®, Finland) was used. In order to make a diagnosis and determine the grade of hypertrophy (Grade 1= healthy, Grade 2= mild, Grade 3= moderate and Grade 4= severe) quantitative and qualitative methods were used; grades 2, 3 and 4 were considered pathological. The same software was used to determine the volume of the nasopharynx. Results: Grade 1 hypertrophy was 44%, mild 36,8%, moderate 13,6% and severe 5,6%, accounting for a pathological adenoid hypertrophy prevalence of 56%. The mean volume of the nasopharynx was 4.985, 3.375, 2.154 and 0.944cm3 for grades 1, 2, 3 and 4, respectively. Conclusions: There is a high prevalence of pathological adenoid hypertrophy (56%). The volume of the nasopharynx decreases according to the severity of the adenoid hypertrophy.

Objetivo: La hipertrofia adenoidea es una patología cuya repercusión más severa es la obstrucción de la vía aérea nasofaríngea, con graves consecuencias de malformaciones dento-esqueléticas. El objetivo del estudio fue determinar el volumen de la vía aérea nasofaríngea en pacientes con diferentes grados de hipertrofia adenoidea. Material y método: Se realizó un estudio retrospectivo, se seleccionaron 125 tomografías computarizadas de haz cónico de pacientes pediátricos de 8 a 12 años de edad obtenidas en la base de datos del 2014 al 2017 de la Facultad de Odontología de la Universidad de San Martín de Porres. Se utilizó el software Romexis 3.6.0 (PlanMeca®, Finlandia); para realizar el diagnóstico y determinar el grado de hipertrofia (Grado 1= sano, Grado 2=leve, Grado 3=moderado y Grado 4= severo) se utilizaron dos métodos, uno de evaluación cualitativa y otra cuantitativa; los grados 2, 3 y 4 fueron considerados como patológicos; para determinar el volumen de la vía aérea nasofaríngea se utilizaron las herramientas del mismo software. Resultados: La hipertrofia grado 1 estuvo constituida por el 44%, leve en el 36.8%, moderado en el 13.6% y severo en el 5.6%; constituyendo finalmente una prevalencia de hipertrofia adenoidea patológica del 56%. Las medias de los volúmenes de la vía aérea nasofaríngea fueron de 4.985, 3.375, 2.154 y 0.944 cm3 para los grados 1, 2, 3 y 4 respectivamente. Conclusión: Existe una alta prevalencia de hipertrofia adenoidea patológica (56%), el volumen de la vía aérea nasofaríngea tiende a disminuir conforme a la severidad de la hipertrofia adenoidea.

Relationship between adenoid hypertrophy and sleep apnea in children / Relação entre a hipertrofia das adenoides e a apneia do sono em crianças

Introdução: decidiu-se organizar este trabalho pelo pressuposto de que é necessário todos os cirurgiõesdentistas se familiarizarem com a estrutura e alterações na anatomia oral desde a infância, com atenção à possibilidade da hipertrofia da adenóides (HA) e a síndrome da apnéia obstrutiva do sono(SAOS) estar presente. Objetivo: observar por meio da revisão de literatura se existe correlação entre a hipertrofia das adenoides e apneia do sono em crianças e qual o tratamento adotado. Material e Métodos: foram feitas pesquisas indexadas nas bases de dados: LILACS, MEDLINE, PubMed, Cochrane, Web of Science e SciELO, no período de janeiro de 2014 a agosto de 2018. Resultados: somente 32 pesquisas foram inclusas na revisão de literatura porque estavam de acordo com os critérios de inclusão. Conclusão: de acordo com a literatura, os autores concluíram que há correlação entre a hipertrofia das glândulas adenoides e a apneia do sono em crianças. A hipertrofia se apresenta como a principal causa da síndrome da apneia obstrutiva do sono em pacientes pediátricos e seu tratamento poderá ser cirúrgico, pela remoção das glândulas adenoides, medicamentoso ou ortodôntico.(AU)

Introduction: It was decided to organize this work on the assumption that it is necessary for all dental surgeons to familiarize themselves with the structure and alterations in oral anatomy from childhood, with attention to the possibility of adenoid hypertrophy (AH) and obstructive sleep apnea syndrome (OSAS) to be present. Objective: to observe in the literature review if the correlation between adenotonsillar hypertrophy and sleep apnea in children was verified and which treatment were adopted. Material and Methods: the following databases were searched: LILACS, MEDLINE, PubMed, Cochrane, Web of Science and SciELO, from January 2014 to August 2018. Results: only 32 articles were included in this literature review because they met all defined inclusion criteria. Conclusion: according the literature, the authors concluded that there is a correlation between hypertrophy of the adenoid glands and apnea of the sleep in children. Hypertrophy presents as the main cause of obstructive sleep apnea syndrome in pediatric patients and its treatment may be surgical, removal of the adenoid, drug or orthodontic.(AU)

Relationship between Upper Airway and Sleep-Disordered Breathing in Children with Mouth Breathing / 대한소아치과학회지

The most common cause of mouth breathing is obstacles caused by mechanical factors in upper airway. Mouth breathing could be consequently pathological cause of sleep-disordered breathing. Sleep-disordered breathing in children can cause growth disorders and behavioral disorders. The purpose of this study was to investigate relationship between upper airway and sleep-disordered breathing in children with mouth breathing.Twenty boys between 7 – 9 years old who reported to have mouth breathing in questionnaire were evaluated with clinical examination, questionnaires, lateral cephalometric radiographs, and portable sleep testing. This study assessed apnea-hypopnea index (AHI) and oxygen desaturation index (ODI) for the evaluation of sleep-disordered breathing and was done to investigate the correlation between these values and the upper airway width measured by lateral cephalometric radiographs.There was no significant correlation with the size of the tonsils (p = 0.921), but the adenoid hypertrophy was higher in the abnormal group than in the normal group (p = 0.008). In the classification according to AHI and ODI, retropalatal and retroglossal distance showed a statistically significant decrease in the abnormal group compared to the normal group (p = 0.002, p = 0.001). As AHI and ODI increased, upper airway width tended to be narrower. This indicates that mouth breathing could affect the upper airway, which is related to sleep quality.

A Case of Adenoid Type Basal Cell Carcinoma on Philtrum / 대한피부과학회지

No abstract available.

Immediate Umbilical Reconstruction after a Mohs Micrographic Surgery for Primary Cutaneous Adenoid Cystic Carcinoma Arising in the Umbilicus

Adenoid cystic carcinoma (ACC) is a malignant neoplasm of glands commonly occurs in salivary glands. Primary cutaneous adenoid cystic carcinoma (PCACC) is a rare form of ACC that primarily presents on the skin. Herein, we represent a rare case of PCACC occurred in the umbilicus in a 66-year-old Korean male patient. The patient visited our center with erythematous indurated patch on the umbilicus diagnosed as ACC by incisional biopsy at another center. The diagnosis of PCACC was confirmed by additional histopathologic examination and imaging study. We proceeded Mohs micrographic surgery and reconstructed umbilicus with tacked purse string suture. Local recurrence and distant metastasis were not observed during 30-month follow-up. We report this rare case of PCACC on the umbilicus so that dermatologist can aware of the rare disease. Furthermore, we recommend MMS and tacked purse string suture as effective methods for treatment of PCACC and immediate umbilical reconstruction.