A new form of presentation of renal actinomycosis: renal tumor with retroperitoneal bleeding.

Objective: The aim of this case report is to add to the literature a new case of renal actinomycosis, but with a form of presentation that has never been reported: renal tumor with retroperitoneal bleeding.

Methods/results: We present the case of a 27-year-old woman, with a 5-month history of general syndrome and right flank pain. Radiological findings showed a right renal tumor with suspicious of retroperitoneal bleeding.