Bleeding into renal cysts is a well known and common complication of polycystic kidney disease, but occasionally the cysts can rupture externally, as in this case, into the retroperitoneal spaces.
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35-year-old male who lost control of his bicycle and fell onto his right side presented with right flank pain (Case 63) - Emergency Radiology COFFEE Case Book
Cureus, Peri-Renal Lymphangiomatosis: A Case Report Presenting a Rare Disease at a Rarer Location
Case report kidney rupture: An unusual cause of abdominal pain, flank pain and hematuria in a 72-year-Old female - ScienceDirect
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Autosomal dominant polycystic kidney disease, Radiology Reference Article
CT and MR Imaging for Evaluation of Cystic Renal Lesions and Diseases
Retroperitoneal hemorrhage, Radiology Reference Article
Management of retroperitoneal hemorrhage compressing the inferior vena cava in a patient with a renal transplant: A case report - ScienceDirect
Incidental Detection of Peri-Renal Hemorrhage on F-18 FDG PET/CT Imaging in a Patient with Polycystic Kidney Disease
PDF) Traumatic Extra Renal Rupture Of Cyst In Case Of Polycystic Renal Disease