Results: 10

Melanoma mucoso nasal: una enfermedad impredecible

RESUMEN El melanoma mucoso maligno es un tumor neuroectodérmico de menos del 5% de las neoplasias nasosinusales. Es un tumor de mal pronóstico clásicamente su promedio de supervivencia a cinco años es cercano al 28% y 17,5% a diez años, siendo aún peor cuando existe metástasis en cuello. Se presen...

What does the 4th edition of the World Health Organization Classification of Head and Neck Tumors (2017) bring new about mucosal melanomas?

An. bras. dermatol; 93 (2), 2018
Abstract: The recently published 4th Edition of the World Health Organization Classification of Head and Neck Tumors addresses the most relevant and updated aspects of tumor biology, including clinical presentation, histopathology, immunohistochemistry, and prognosis of head and neck tumors. The objectiv...

Ophthalmic adverse effects of nasal decongestants on an experimental rat model

Arq. bras. oftalmol; 81 (1), 2018
ABSTRACT Purpose: To investigate the potential effects of chronic exposure to a nasal decongestant and its excipients on ocular tissues using an experimental rat model. Methods: Sixty adult male Wistar rats were randomized into six groups. The first two groups were control (serum physiologic) and Otriv...

The potential role of amlodipine on experimentally induced bacterial rhinosinusitis

Abstract Introduction: Antibiotics are frequently used for the treatment of rhinosinusitis. Concerns have been raised regarding the adverse effects of antibiotics and growing resistance. The lack of development of new antibiotic compounds has increased the necessity for exploration of non-antibiotic com...

Utilidad de imagen de banda estrecha en un caso de melanoma mucoso de septum nasal

En los últimos años, se está utilizando la fibrolaringoscopía con imagen de banda estrecha (NBI) como técnica novedosa para observar el patrón específico de microvas-cularización de una lesión concreta a evaluar. Es conocida por su utilidad en el diagnóstico de otras lesiones de vías aerodiges...

Malignant melanoma with synchronous thyroid metastases: case report and literature review

SUMMARY Thyroid metastases are rare in clinical practice. We describe the case of an 85-year-old woman who was referred to our department due to a multinodular goiter with compressive symptoms and subclinical hyperthyroidism. The patient was also undergoing evaluation for a polyp in her left nasal cavity...

The effects of smoking and smoking cessation on nasal mucociliary clearance, mucus properties and inflammation

Clinics; 71 (6), 2016
OBJECTIVE: The aim of the present study was to assess nasal mucociliary clearance, mucus properties and inflammation in smokers and subjects enrolled in a Smoking Cessation Program (referred to as quitters). METHOD: A total of 33 subjects with a median (IQR) smoking history of 34 (20-58) pack years were...

Osteitis and mucosal inflammation in a rabbit model of sinusitis

INTRODUCTION: Several experimental studies have shown osteitis after the onset of sinusitis, supporting the idea that bone involvement could participate in the dissemination and perpetuation of this inflammatory disease. However, procedures commonly performed for the induction of sinusitis, such as antro...

Deteccion de inmunocomplejos en mucosa nasal de pacientes con bloqueo nasal cronico y permanente

Se estudiaron 30 pacientes con problemas rinológicos en los que el síntoma fundamental fue el "Bloqueo Nasal Permanente". Se comprobó que los mismos presentaban un B.N.C.T. y P., que es la entidad definida por nosotros como una obstrucción permanente y crónica de las fosas nasales y que sería la ex...