Rhinosporidiosis: the largest case series in Brazil.

Introduction: Rhinosporidiosis is a chronic infection of the mucous membrane and is caused by Rhinosporidium seeberi, an aquatic mesomycetozoan. The mode of infection is probably transepithelial penetration. The large number of rivers and lakes and the strong presence of riparian populations in the State of Maranhão are strong predisposing factors for rhinosporidiosis.

Prevalence of human papillomavirus in penile malignant tumors: viral genotyping and clinical aspects.

Background: The human papillomavirus (HPV) prevalence in males has been reported to be between 3.6% and 84%, depending specially on the socioeconomic status. HPV infection has been related as a risk factor for penile cancer.

Immunopathological aspects of schistosomiasis-associated pulmonary arterial hypertension.

Objectives: Pulmonary hypertension is a lethal complication of chronic hepatosplenic schistosomiasis. Little is known of the underlying (immuno-)histopathological characteristics of lung vasculopathy.

Methods: We characterized vasculopathy and inflammation in lung tissue of 10 patients with Schistosomiasis-associated PH (SCH-PH) in comparison to 22 idiopathic pulmonary arterial hypertension (IPAH) patients and 10 normal controls.

[Brucellosis spondylodiscitis: case report].

A case of spondylodiscitis due to Brucella with systematic manifestation of the disease, in a 56-year-old male patient who was a farmer, is reported. The diagnosis was made from serological tests, with a titer of 1/160. The blood culture was positive and the blood sedimentation rate was high.