BACKGROUND Neisseria lactamica as one of the main commensal in oropharynx during the childhood is related to the induction of a natural immunity against meningococcal meningitis. Also Moraxella catarrhalis in oropharynx of children is a predisposing factor for otitis media infection. OBJECTIVES The current study aimed to investigate the frequency of the N. lactamica, other nonpathogenic Neiss...

Cytomegalovirus (CMV) is a common opportunistic infection in both iatrogenic and HIV-induced immunosuppression. The usual sites of involvement are the gastro-intestinal tract, retina and lung. We present three cases of CMV ulceration of the oropharynx. All three patients presented with symptoms localized to the oropharynx and in each case the diagnosis was only made on histological examination ...

* In course for Post-Graduation Master’s Degree in Health Sciences of Hospital Heliópolis Hosphel, São Paulo. Surgeon of the Head and Neck Surgery and Otorhinolaryngology Department of Hospital Heliópolis Hosphel, São Paulo. ** Doctoral Degree in Medicine of the Post-Graduation Course in Oncology at the Medicine College of the University of São Paulo. Professor of the Post-Graduation Course in ...

AIM The aim of this study was to investigate the expressions of cell cycle regulatory proteins such as p53, p16, p21, and Rb in squamous cell carcinoma of the oropharynx and their relation to histological differentiation, staging of disease, and prognosis. PATIENTS AND METHODS Paraffin blocks from 21 primary tumors were obtained from archives of the Department of Pathology, Paulista Medical S...

A total of 189 Candida albicans isolates have been typed by multilocus enzyme electrophoresis. The results obtained confirm the clonal mode of reproduction of C. albicans. The C. albicans populations found in the oropharynx of human immunodeficiency virus (HIV)-infected patients, in the oropharynx of healthy carriers, or in association with invasive candidiasis could not be distinguished. No cl...

Helicobacter pylori has been recently detected in the oral cavity and oropharynx. However, the role it plays in oral and oropharyngeal pathogenesis remains unclear. The virulence of H. pylori strains can be distinguished according to the virulence factors genes carried. Our research has been focused on realtime PCR analysis of cagA and vacA genes of H. py...