Results: 53

Provocation test with 5% glycerol has fast and fleeting effects on the nasal mucosa

The effects observed with nasal provocation testing using 5% glycerol were associated only with irritation/burning sensation within the first few minutes, reducing spontaneously and disappearing quickly. The use of 5% glycerol was found to have no influence on the prevalence of nasal obstruction, rhinorr...

Nasal mucociliary transportability of male and female smokers

Abstract Introduction: Female smoker's present increased susceptibility to several diseases when compared to the opposite gender. However, there are no studies showing differences in nasal mucociliary transport behavior between male and female smokers. Objective: To compare the nasal mucociliary transp...

The effect of different nasal irrigation solutions following septoplasty and concha radiofrequency: a prospective randomized study

Abstract Introduction Nasal irrigation solutions are widely used following endonasal surgery. These irrigation solutions remove infective debris and crusts, reducing the probability of synechia formation, and accelerate mucosal healing. Objective The aim of the present study was to compare the effects ...

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...

Emergence of methicillin-resistant Staphylococcus aureus from clonal complex 398 with no livestock association in Brazil

Mem. Inst. Oswaldo Cruz; 112 (9), 2017
CC398 is a livestock-associated Staphylococcus aureus. However, it has also been isolated from humans with no previous contact with livestock. A surveillance of methicillin-resistant S. aureus colonisation among children attending public day care centres and hospitals in Niterói and Rio de Janeiro, Braz...

Effect of cigarette smoke on counts of immunoreactive cells to eotaxin-1 and eosinophils on the nasal mucosa in young patients with perennial allergic rhinitis

Abstract Introduction: In teenagers with perennial allergic rhinitis, exposure to tobacco cigarette smoke increases the count of eosinophils in the nasal mucosa; the recruitment of eosinophils arises from the combined action of a number of cellular and molecular signals, including eotaxin. Objective: T...

Melanomas nasosinusales
Sinonasal melanomas

Cambios rev. méd; 16 (2), 2017
Los melanomas mucosos representan 2 a 8% de todos los melanomas de cabeza y cuello. La mayoría se localizan en la cavidad nasal y senos paranasales. El objetivo de este estudio fue revisar la evolución de pacientes portadores de melanomas malignos nasosinusales (MMNS) en un hospital de atención tercia...

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...