Extraabdominal fibromatosis in retroperitoneal space.

Background: Fibromatosis or desmoid tumor covers a broad spectrum of benign fibrous tissue proliferations. It is characterized by infiltrative growth and a tendency towards recurrence; however, unlike sarcoma, it never metastasizes.

Case Presentation: We report on a case of extraabdominal fibromatosis originating from the retroperitoneal space in a 43-year-old woman.

Chromophobe cell renal carcinoma with acquired cystic disease of the kidney in a long-term hemodialysis patient.

We report a rare case of chromophobe cell renal carcinoma found in a 52-year-old female who had received hemodialysis therapy for 13 years. She was diagnosed as having a left renal tumor 7.5 cm in diameter with acquired cystic disease of the kidney (ACDK) by ultrasonographic examination during periodical systemic screening.

Spontaneously ruptured multilocular cystic nephroma.

Multilocular cystic nephroma is a relatively rare benign tumor of the kidney. An adult case of spontaneously ruptured multilocular cystic nephroma was reported. A 33-year-old woman who presented with a right flank colic attack.