Pyeloduodenal Fistula: A Case Report

Pyeloduodenal fistula is an extremely rare clinical entity. This case report describes a 40-year-old female who was admitted to our hospital with a history of on and off pain in the right hypochondrium and vomiting. Computed tomography (CT) confirmed an atrophic renal mass with staghorn stone that had eroded into the duodenum and caused an internal fistula. She had undergone right nephrectomy and closure of duodenal fistula. Her surgery was complicated by a small duodenal leak, which was successfully treated conservatively by percutaneous ultrasound guided drainage. We report briefly on the clinical features of this rare entity and also review and summarize the etiology, diagnosis and treatment options from the existing literature.