PDE5A Polymorphisms Influence on Sildenafil Treatment Success.

Introduction: Diabetes and cardiovascular disease are risk factors for erectile dysfunction (ED). Selective inhibitors of the type 5 phosphodiesterase are the first option for treating ED. However, it is unknown why there are patients with low response to this treatment.

Granular cell tumor of the bladder: a case report.

Background: Granular cell tumor is usually a benign tumor, generally believed to be of neural origin, most commonly affecting the tongue and skin. Although it can present in any part of the body, the bladder is a rare location, with only 16 cases found in the English-language literature.

Case: We report the case of a 54-year-old woman with hematuria who had a solid tumor in the posterior wall of the bladder.