Felipe Cardemil

• MD, PhD, Otolaryngology-Head and Neck Surgical Oncology
• Professor (Associate) at University of Chile

Introducción: La ultrasonografía realizada por cirujano recibe el nombre de SUS por sus siglas en inglés Surgeon-performed Ultrasound. Es una metodología de atención que reduce los números de consultas y permite acotar tiempos diagnósticos, sumado a la posibilidad de realizar procedimientos eco-guiados. Su empleo en la consulta otorrinolaringológic...

Introducción: La ultrasonografía realizada por cirujano recibe el nombre de SUS por sus siglas en inglés Surgeon-performed Ultrasound. Es una metodología de atención que reduce los números de consultas y permite acotar tiempos diagnósticos, sumado a la posibilidad de realizar procedimientos eco-guiados. Su empleo en la consulta otorrinolaringológic...

El carcinoma escamoso de cabeza y cuello (CECyC) corresponde a la neoplasia maligna más frecuente derivada de la mucosa de la vía aero-digestiva superior, dando cuenta del 90% de los carcinomas en cabeza y cuello. La importancia de este tipo de carcinoma se da no solo por su localización, con alto riesgo de compromiso de estructuras neurovasculares...

Introducción: Los tumores del espacio parafaríngeo representan un desafío quirúrgico por su íntima relación con estructuras neurovasculares. Se han descrito tanto abordajes abiertos como abordajes trans-orales para su enfrentamiento, siendo este último controversial. Materiales yMétodos: Se realizó una revisión narrativa del abordaje trans-oral par...

Reporte de 2 casos: Se reportan 2 casos de pacientes con tumores del espacio parafaríngeo, con clínica e imagenología sugerente de adenoma pleomorfo, reportando nuestra técnica quirúrgica asistida con endoscopios. Ambos pacientes evolucionaron con trismus inicial postratamiento, cediendo completamente. Sin compromiso de pares craneanos ni sangrado...

Introducción: El colgajo infraclavicular es un colgajo axial, descrito primeramente por Yoo en 2015 para la cobertura de vasos sanguíneos luego de disecciones radicales de cuello y coberturas de faringoeeafias primarias. Objetivo: Describir un caso sobre uso del colgajo infraclavicular para cobertura de faringorrafia primaria frente a laringectom...

Local pedicled oral mucosa flaps for reconstruction in the oral cavity Introduction: Local buccal mucosa flaps are versatile, presenting varied uses for the reconstruction of defects in the oral cavity. Within these we find the facial artery musculo-mucosal flap (FAMM) and the bucci-nator musculo-mucosal flap. Objectives: To describe the results...

Introducción: La evaluación y tratamiento de la obstrucción nasal pueden ser un desafío debido a sus múltiples etiologías. El complejo nasal (NAC) comprende tabique, piso nasal, apertura piriforme, cornetes inferiores, cuerpo vestibular y cartílagos laterales superior e inferior. Para abordar la base estructural de la obstrucción nasal, los enfoque...

Introducción: Dentro de las áreas de desarrollo de la Otorrinolaringología se incluye la cirugía oncológica y la cirugía de cabeza y cuello. La divulgación de artículos científicos ha tomado relevancia como indicador de excelencia de una institución. El principal medio de difusión de nuestra especialidad en Chile es la Revista de Otorrinolaringolog...

El objetivo de esta carta es remarcar en nuestra comunidad quirúrgica de cirugía de cabeza y cuello la importancia de la cobertura con tejidos vascularizados en pacientes sometidos a algunos tipos de resección ósea craneofacial con uso posterior de placas de reconstrucción o elementos de titanio, y con indicación de radioterapia adyuvante.

Introduction: Surgeon-performedultrasound is a valuable tool for real-time diagnosis. Its application can speed up the diagnostic and therapeutic process. Objective: To evaluate the performance in the recognition of neck structures after an ultrasound training program for otolaryngology residents, to evaluate the technique when performing ultrasoun...

Resumen Las neoplasias malignas de la cabeza y el cuello afectan a diversos subsitios ana-tómicos, como la piel, glándulas tiroides y paratiroides, hueso temporal, cavi-dad oral, orofaringe, nasofaringe, hipofaringe, laringe, cavidades perinasales y glándulas salivales. En 2018, el cáncer de cabeza y cuello fue el séptimo cáncer más común en todo e...

Exposure to heavy metals may cause the overproduction of reactive oxygen species, generating oxidative stress and consequently, various harms to human health. The soil surrounding the Ventanas Industrial Complex, in Puchuncaví and Quintero municipal districts on the central Chilean coast, contains heavy metal concentrations (As, Cu, Pb, Zn, among o...

Squamous cell carcinoma of the oral cavity represents one of the most frequent malignant neoplasms in the head and neck, having an incidence according to GLOBOCAN for the year 2020 of 377,713 new cases. This cancer has the potential advantage of early diagnosis due to its accessibility to physical examination, so it is important to have a high inde...

Hereditary hemorrhagic telangiectasia (HHT) is a multisystemic vascular dysplasia, of autosomal dominant inheritance, characterized by the development of mucocutaneous telangiectasias and visceral arteriovenous malformations. The diagnosis is made using the Curafao criteria published in 2000 and its management requires a multidisciplinary team wher...

Gene expression can be modified in people who are chronically exposed to high concentrations of heavy metals. The soil surrounding the Ventanas Industrial Complex, located on the coastal zone of Puchuncaví and Quintero townships (Chile), contain heavy metal concentrations (As, Cu, Pb, Zn, among others) that far exceed international standards. The a...

Reconstruction after maxillary resective oncological surgery is a challenge. Because of this, there are many surgical techniques whose objective is to maintain not only function but also facial aesthetics, especially in the infraorbital rim area. The calvarial bone graft is a safe and versatile option to perform a primary infraorbital rim reconstru...

Head and neck cancer is an infrequent disease, with complex medical and surgical management. The regionalization of care, defined as the concentration of patients with complex diseases, in institutions that present highly experienced and highly functional multidiscipli-nary teams, may be an efficient alternative to achieve better oncological outcom...

Abstract Most health services have experienced an increase in the costs associated with health care, which has led to the adoption of measures to optimize the cost-effectiveness of the servi- ces provided. From this perspective, the concept of value-based health care emerged. The concept of “quality in health care” has been defined as the degree to...

In recent decades, the increasing identification of thyroid nodules has led to a dramatic increase in the diagnosis and incidence rate of thyroid cancer. However, their mortality has remained stable. The largest fraction of this increase is attributable to the growing use of diagnostic technologies, which has identified an increasing number of most...

Introducción: La ototoxicidad por cisplatino es un evento muy frecuente y sus consecuencias producen mucho deterioro en los pacientes. El diagnóstico precoz es esencial, pues permitiría implementar apropiadamente estrategias para aminorar su efecto. Entre estas tenemos la N-acetilcisteína, un agente antioxidante que ha demostrado efecto otoprotecto...

The dramatic increase in the incidence of thyroid cancer in recent decades, which is primarily due to increased detection of papillary thyroid microcarcinomas (PTCM), has led to a significant increase in the costs associated with thyroid cancer care. Despite this increase in the worldwide incidence, the mortality associated with these tumors has re...

Obstructive sleep apnea and hypopnea syndrome (OSAHS) is a common condition that is associated with many negative consequences. First line treatment is usually medical management, but surgery is indicated for selected patients with retrolingual, hipopharyngeal or supraglottic obstruction. Transoral robotic surgery has been developed in the last yea...

Introducción: La práctica otorrinolaringológica presenta un riesgo elevado de contagio de SARS-CoV-2. Considerando esto, diversas sociedades científicas a nivel mundial llamaron a establecer prioridades en la atención clínica. Objetivo: Evaluar el impacto de la pandemia en la práctica clínica y quirúrgica de los otorrinolaringólogos en Chile, así...

El envejecimiento progresivo de la población mundial es una preocupación reconocida por la mayoría de las propuestas de políticas públicas en diversas áreas, incluida salud. La persona mayor pertenece a un grupo social vulnerable, que requiere ser considerado en las intervenciones y políticas de salud pública. Existe una considerable pérdida de las...

Oropharyngeal squamous cell carcinoma (OPSCC) has suffered an increase in its incidence in recent decades, explained by the increase in its type related to the human papilloma virus (HPV). There are clinical and prognostic differences between the two groups of OPSCC according to their etiological relationship with HPV. On the one hand, those relate...

Objectives/Hypothesis The ideal strategy in the treatment of mucosal melanoma of the head and neck (MMHN) remains unclear. Our objective was to evaluate the importance of surgical margins, radiotherapy, and systemic therapy in MMHN. Study Design Retrospective Single Institutional Review. Methods Retrospective review of patients with MMHN treated...

Introducción: La presbiacusia es una condición muy prevalente. Habitualmente se implementan audífonos como tratamiento, pero un problema es la baja adherencia exhibida que puede rondar un 50%. Objetivo: Evaluar si el programa de rehabilitación auditiva Active Communication Education (ACE) mejora la adherencia al uso del audífono. Material y Métod...

Reconstructive head and neck surgery is a complex task. There are several options available to achieve good results, from local flaps to free microvascular flaps. In this article, we present our experience using the submental island flap for soft tissue defect reconstruction of the lateral skull base after a lateral temporal bone resection secondar...

Introducción: Se estima que hasta un 30% de la población mayor de 65 años presenta hipoacusia. Una intervención validada para la hipoacusia en adultos mayores es el uso de audífonos, pero el problema es que hasta un 50% de los adultos mayores no los utiliza. Objetivo: Estimar la adherencia al uso de audífonos en adultos mayores beneficiarios del p...

Head and neck surgeon-performed ultrasound allows evaluations and diagnoses in real time, make faster decisions and carry out interventions, which increases the efficiency of the medical appointment. Despite otolaryngologists have a deep knowledge about head and neck anatomy, this technique is still not widespread in Chile. It is recommended to tak...

Introducción: La rinosinusitis crónica (RSC) tiene un alto impacto en la calidad de vida del paciente. La recomendación de las guías EPOS es utilizar la encuesta Sino-Nasal-Outcome-Test de 22 indicadores (SNOT-22), la cual no está validada en población chilena. Objetivo: Traducción y validación de SNOT-22 en población chilena consultante por RSC e...

Introduction: In Chile, since the implementation of public policies linked to the program of cochlear implants, the only published studies were prepared in the Metropolitan Region, that have sought to describe the results that these responses have obtained in the population. Aim: Describe the results of the National Cochlear Implants Program and ex...

Recurrence of oropharyngeal squamous cell carcinoma (OPSCC) is associated with poor prognosis, particularly in advanced stage recurrences. Salvage surgery is complicated by previous oncological treatment of the primary tumor, therefore, it has a higher risk of complications and hospital stay. However, salvage surgery is the patient's best opportuni...

Background Obstructive sleep apnoea (OSA) can be caused by neoplasms involving the upper aerodigestive tract. Currently, many of these patients have this diagnosis missed, as most adults diagnosed with OSA do not undergo adequate head and neck examination including flexible nasendoscopy. We performed a review of the literature to shed light on this...

In clinical practice, the study of cervical lymph nodes is common. The anamnesis and the physical examination often guide the etiology, however sometimes we have to use images studies. This is very relevant when we are assessing a metastatic lymph node due to head and neck squamous cell carcinoma. Ultrasound is usually used for the initial study of...

Introduction Hay diferentes estilos de aprendizaje según vía de ingreso de información, los cuales pueden evaluarse con el modelo de programación neurolingüística o VAK (visual, auditivo o kinestésico). En programas académicos altamente competitivos un estilo específico podría jugar un rol en rendimiento académico, originado desde el docente, pudie...

Introducción: Desde la década de los 90, los implantes cocleares han progresado desde aplicaciones experimentales a un uso clínico estandarizado en niños con pérdida auditiva severa y profunda. Las investigaciones han producido cambios en la tecnología de los implantes y ha dado lugar a la expansión de los candidatos a implante para incluir a los n...

Chondrosarcomas represent a group of malignant tumours composed of cells producing cartilage, and clear cell chondrosarcomas (CCC) represent a variant of these. A rare case of a laryngeal CCC is presented. The patient was a 70-year-old man who presented with a 6-week history of throat pain, worsening dysphonia and a lump in the neck. Examination re...

Introducción: La hipoacusia sensorioneural es la tercera causa de discapacidad en Chile, con incidencia en recién nacidos de 1 a 3 casos cada 1.000 recién nacidos vivos, y prevalencia en adultos de hasta 70%, siendo muchos casos susceptibles de ser tratados mediante implante coclear. Objetivo: Describir resultados de los pacientes sometidos a ciru...

The dome-binding suture (DBS) and hemitransdomal suture (HTS) are suture techniques used to narrow and define the nasal tip. The DBS can create a pinched, unnatural appearance, while the HTS puts the lateral crus in a more favorable orientation. This allows a natural contour between the nasal tip and alar lobule while maintaining alar margin suppor...

Introducción: En Atención Primaria de Salud (APS), las consultas por causas otorrinolaringológicas alcanzan hasta el 40%-50%. De éstos, muchos son enviados para evaluación al nivel secundario de salud. Objetivo: Evaluar la utilidad de una atención de otorrinolaringología en APS para tamizar el número de interconsultas al especialista. Explorar est...

Objective: The aim of this study was to determine the prevalence of use of hearing aids by older adults in Chile and the influence of some variables such as education level, income level and geographic area of residence on the prevalence of hearing aids. Design: A national cross-sectional survey which was carried out in 2009. Study sample: A r...

Introduction: The squamous cell carcinoma of the larynx is a frequent neoplasms within otorhinolaryngology Currently the age standardized incidence of Chile for laryngeal cancer is based on the cancerpopulation registration of the province of Los Lagos (International Agency for Research on Cancer - WHO), which is 1.3 x 100,000 inhabitants. Aim: To...

Vocal cord polyps are benign Iaryngeal lesions. They are associated to micro traumatisms because ofvocal misuse, generating a remodelation of the lamina propria and the epithelium. It is more common in men between twenty and forty years of age. In the vast majority of cases it unilaterally occurs. While these are well documented injuries in the lit...

Introduction: Head and neck cancers (HNC) are recognizable by clinical and early minimally invasive tests, however, there is significant delay between the first symptoms and treatment. Aim: To describe the times involved between the first symptoms and treatment. Material and method: Descriptive and retrospective study, by evaluating records of pati...

The annual diagnosis of head and neck squamous cell carcinoma is 650,000 new cases. The laryngeal carcinoma is a malignant disease that should include an otolaryngologist in its evaluation. The global incidence of laryngeal carcinoma is estimated at 3.9 per 100,000 inhabitants with an overall mortality rate of 2.0 per 100,000 inhabitants. In Chile...

Introduction: The ideal graft for nasal surgery is septal cartilage. The costal cartilage has similar characferistics to the septal cartilage. This particular graft is generally used for nasal dorsum, saddle nose, nasal deviations, dysfunctions of the internal or external nasal valve, poor nasal projection and revision rhinoplasty. Aim: Determine t...

RESUMEN La hipoacusia o discapacidad auditiva representa una condición prevalente en la población, afecta alrededor de 360 millones de personas en todo el mundo, determinando distintos niveles de discapacidad que van desde el aspecto físico hasta lo social y psicológico. El origen de la hipoacusia puede ser diverso, conocer sus causas y sus factore...

Cricopharyngeal myotomy is a surgical technique introduced years ago for the treatment of dysphagia associated with cricopharyngeal muscle dysfunction with or without Zenker’s diverticulum, showing successful results that reverse the symptoms and improve the quality of life of patients. With scientific advances endoscopic laser surgery allows to be...

Demographic transition in Chile has experienced rapid progress which has resulted in an aging population, a phenomenon that poses challenges to public policies, generating profound changes in economic, social issues and health related. This phenomenon has produced an expected increase in chronic diseases, such as hearing loss associated with aging...

Mycobacteriums are a group of aerobic non-capsuled and non-mobile bacillus some of which can cause diseases in mammals such as tuberculosis and leprosy. Chile, despite belonging to the group of countries with low prevalence of tuberculosis in America, presented a slowing in the decline in incidence curve. At the same time there has been an increase...

Introduction: The prevalence of hearing loss in childhood increases with age, as conductive hearing loss or late onset sensorineural hearing lossare added, estimated at up to 9%. Aim: To determine the prevalence of hearing loss in a school sample. Material and method: Cross sectional study. 4 schools of San Bernardo and 2 of Lo Espejo were included...

Palpable irregularities along the nasal dorsum are a frequent complication of dorsal handling in rhinoplasty because resection techniques are used. This is often a result of improper management of the dorsum after resection. The surgical technique for handling of dorsal irregularities following dorsal resection is described. The key steps to avoid...

Introduction: Burnout syndrome is generated against a chronic work stress on individuals working with people. It is characterized by emotional exhaustion, depersonalization and reduced personal accomplishment. Aim: To assess Burnout in residents and otolaryngologists (ORL) in the country and establish a relationship between sociodemographic charact...

Introduction: The difficulty in the proper handling of the nasal dorsum is its loss of support, hence the spreader graft plays an important role in rhinoplasty, providing width to the dorsal ceiling, while increasing the angle of internal nasal valve, generating an optimization in the aesthetic and functional results of nasal surgery. The autosprea...

Introduction: Hearinglossis a prevalent condition that has consequences for children's development. As a result, screening programs for hearing loss are of increasing importance. One screening strategy involves the use of questionnaires for people with hearing loss. Aim: Transcultural adaptation to Spanish of the hearing screening in struments ABEL...

Parapharyngeal space tumors are rare, so there is limited published experience regarding their diagnosis and treatment. Therefore, they represent a diagnostic and therapeutic challenge. In most cases, diagnosis can be made with an adequate anamnesis, physical examination, imaging, and the use of fine needle aspiration. Differentiation between prest...

Worldwide is estimated in approximately 650,000 new cases diagnosed of squamous cell carcinoma of the head and neck , and 300,000 deaths from this condition each year, with a high incidence in India, Australia, France, Brazil, and South Africa. Today, it is accepted that the best way to assess the incidence and mortality of cancer is made with popu...

Introduction: Patient satisfaction with respect to health care institutions is relevant. Aim: To perform content validation a questionnaire that allows to analyze the opinion of a group of patients attending an ENT clinic regarding on the process of care in this place. Material and method: Cross sectional study. The instrument was validated through...

Recreational noise exposure and its impact on hearing is a problem to which increasing attention is being paid. In Spanish, it is necessary to have a reliable and valid instrument that is capable of describing the extent of noise exposure. The aim was to create and validate an instrument to determine listening habits and levels of recreational nois...

Introduction and objective Hearing loss ranks third among the health conditions that involve disability-adjusted life years. Hearing aids are the most commonly used treatment option in people with hearing loss. However, a number of auditory rehabilitation programmes have been developed with the aim of improving communicative abilities in people wit...

Introduction: Recreational noise exposure and its impact on hearing is a problem that the investigation is paying more and more attention to. Aim: To determine the validity of the criteria and construct for the questionnaire on recreational noise exposure (CHAR) and the factors associated. Materials and Methods: We conducted a validation study for...

Hearing loss ranks third among the health conditions that involve disability-adjusted life years. Hearing aids are the most commonly used treatment option in people with hearing loss. However, a number of auditory rehabilitation programmes have been developed with the aim of improving communicative abilities in people with hearing loss. The objecti...

Hearing loss is a condition that affects communication and social insertion, increasing in frequency with increasing age. Explicit Health Guarantees (GES) have placed hearing loss in adults over 65 years old as a health priority in Chile, guaranteeing access to hearing aids to those who need it. However, it has been seen that adherence to their use...

Introduction: Childhood sensorineural hearing loss is a common cause of disability in children, with harmful consequences for individuals, family and society if it is not detected and treated early in life. While the intervention has proven to be cost effective, a high percentage does not access the cochlear implant coverage because of problems of...

Introduction: Profound bilateral sensorioneural hearing loss is the third leading cause of disability in Chile, with an incidence of 1 to 3 cases for every 1.000 born, which may be managed with cochlear implants. Aim: Describe results of the cohort of patients implanted at Barros Luco Trudeau Hospital. Material and method: Retrospective cohort stud...

Introduction: Starting with their time at college, dentists are routinely exposed to potentially harmful sounds. AIM: To determine whether the presence of notch in 3, 4 and 6 kHz frequencies is associated with exposure to noise from dental tools. Material and method: A cross-sectional study was performed with a group of students exposed to noise in...

Introduction: Hearing loss is a prevalent condition in elderly population. However, the low adherence to hearing aids is a fact. Aim: To evaluate the utility of a standardized counselling program in elderly patients with hearing loss. Material and methods: A clinical trial was carried out, approved by the Hospital ethics committee. Patients with 65...

Introduction. Obstructive sleep apnea hypopnea syndrome (OSAHS) in children is associated with numerous adverse cognitive and behavioral consequences. The most common risk factor identified for OSAHS is tonsillar enlargement, and primary treatment is adenotonsillectomy. Aim. To compare the efficacy of early adenotonsillectomy versus watchful waitin...

It is becoming increasingly important to have reliable and valid questionnaires. This becomes especially important when evaluating hearing loss. the «Effectiveness of Auditory Rehabilitation» (EAR) questionnaire for the Spanish-speaking population. This instrument assesses quality of life and hearing aspects in patients using hearing aids. Cross-se...

Objectives Implement a standardized counselling program in elderly patients with hearing loss users of hearing aids and evaluate its utility in terms of adherence to hearing aids. Methods A randomized clinical trial was carried out during the period from October 2011 to August 2012, with a follow-up of 6 months, approved by the hospital ethics com...

Congenital hearing loss is the total or partial inability to hear sounds through the ears. It is the most common disability in newborns in Chile and worldwide, and is a permanent condition. The direct impact on children who are not adequately diagnosed is the alteration in acquisition of language and cognitive skills and a decline in their social a...

Introduction: In Chile there is a problem in the distribution of ENT surgeons between the public (PHS) and private health system. Furthermore, only since this year there is a formal link between some recent ENT surgeons graduates, so there is a deficit of ENT in PHS. Aim: To describe the group of ENT graduates in the last decade and evaluate their...

Objectives: Animal data indicate that xylene induces cochlear dysfunction, characterized by the loss of outer hair cells. There is little evidence regarding xylene-induced ototoxicity in humans. The aim of the study was to investigate the possible adverse effects of xylene on the peripheral and central auditory system in humans. Design: A total...

Introduction: Constantly there are mentions that there is a shortage of otolaryngologists in Chile. It is unknown the reality of the distribution between public and private health sector. Aim: The objective of this study was to determine the amount and distribution of otolaryngologists working in the public and private health sector in Chile. Mater...

Introduction: Streptococcus anginosus (SA) is a common inhabitant of the oral cavity and gastrointestinal tract, and can be an aggressive pathogen causing abscesses in various body sites. Apparently, its role in head and neck infections is gaining some notoriety that it is not clearly reported in the literature. Aim: The aim of this study was to ev...

Lymphomas of the larynx are rare, accounting for less than 1%% of neoplasms in this location. Early detection can allow better care, and possibly a better prognosis. We present a case of a right supraglottic Non-Hodgkin Lymphoma, corresponding to a female patient of 68 years who consulted for hoarseness of several months that progressed during the...

Background: Prostate cancer (PC) is the second cause of death by cancer in men in Chile. Its behavior is so variable that it is necessary to search reliable prognostic markers. Vascular Endothelial Growth Factor (VEGF) is one of the most powerful pro-angiogenic factors. There is no agreement on its validity as a diagnostic or prognostic factor. A...

Introduction and objectives It is becoming increasingly important to have reliable and valid questionnaires. This becomes especially important when evaluating hearing loss. The aim of this work was to validate the «Effectiveness of Auditory Rehabilitation» (EAR) questionnaire for the Spanish-speaking population. This instrument assesses quality of...

Introduction Hearing loss is a condition that affects communication and social insertion, increasing in frequency with increasing age. Explicit Health Guarantees (GES) have placed hearing loss in adults over 65 years old as a health priority in Chile, guaranteeing access to hearing aids to those who need it. However, it has been seen that adherence...

Introduction: The sphenoidal sinus has an intimate relationship with critical structures and their exposure in the sinus walls depend on the pneumatization degree. Aim: The aim of this study is to describe the anatomy of the sphenoid sinus using direct transnasal endoscopic approach on a sample of adult corpses. Material and method: We performed en...

Neonatal hearing loss represents one of the most common congenital abnormalities. The importance is that if not detected early, it impacts the development of language, communication skills, and cognitive and social development of the affected. In Chile there is no accurate estimates of population incidence in infants with this condition, because th...

Hypohidrotic ectodermal dysplasia is an uncommon, hereditary disease, clinically characterized by the triad of hypohidrosis, dental deficiencies and lack of hair growth. In addition, it affects other skin appendages such as hair follicles, nails and teeth and even structures such as the mucous glands of the upper aerodigestive tract causing signs a...

RESUMEN Los schwannomas vestibulares son tumores benignos que habitualmente se presen-tan en forma esporádica y unilateral, pero pueden aparecer de manera bilateral en el contexto de una neurofibromatosis tipo 2 (NF2). En aquellos asociados a NF2 se han identificado mutaciones del gen NF2 que codifica para merlina, una proteína citoplasmática que s...

Introduction: It is reported between 1%% and 6%% of post-tonsillectomy hemorrhage and / or adenoidectomy. The literature discusses the real usefulness of routine hemostasis tests. Standardized questionnaires bleeding could define who make a study of post-tonsillectomy bleeding bleeding to predict and/or adenoidectomy. Aim: To determine the usefulne...