Ruptured desmoid tumor imitating acute appendicitis - a rare reason for an emergency surgery.

Background: Desmoid tumors, also known as aggressive fibromatosis, are extremely rare, accounting for less than 3% of soft-tissue sarcomas and less than 0,03% of all neoplasms. The diagnosis is usually delayed because of the lack of specific symptoms, and can sometimes lead to serious and, even fatal complications.

Case Presentation: We report the case of a 27-year-old male patient presenting with the clinical picture of acute appendicitis.

A Case of Masson's Tumor of the Penis Presenting as Chronic Pelvic Pain Syndrome.

The intravascular papillary endothelial hyperplasia (IPEH) or Masson's tumor is an unusual and rare benign disease.It is histologically characterized by papillary and anastomosing channel-like structures lined by proliferating e n dothelium. Radiologically, it is usually presented as a heterogenic solid mass with contrast enhancement, withareas resembling necrosis and thrombosis.

Clinicopathological prognostic factors for upper tract urothelial carcinoma.

Introduction: The aim of the present study was to evaluate the influence of clinicopathological factors including age, gender, tumor grade, tumor stage, lymphovascular invasion (LVI), tumor necrosis and previous history of non-muscle invasive bladder cancer on outcomes of patients with upper tract urothelial carcinoma (UTUC) treated with radical nephroureterectomy (RNU).

Material And Methods: A total of 60 patients who underwent radical nephroureterectomy for upper tract urothelial carcinoma at our institute between 2005 to 2012 were included in our study. Univariate and multivariate analysis was performed using the Kaplan-Meier method, log rank statistics, the chi-square test and Cox regression models.