Abstract
Retroperitoneal lipoma presenting with a nutcracker-like phenomenon is extremely rare. I experienced a case of a 65-year-old man presenting with left flank pain and macrohematuria intermittently for 3 years. Computed tomography revealed a lipoma at the left pedicle of the kidney, 30 mm in diameter, causing a curving of the left renal artery and dilatation of the left renal vein. This patient was treated successfully by retroperitoneoscopic resection of the lipoma. There have been no symptoms for 10 years after the operation.
Highlights
Seiichi SaitoArt Park Urology Hospital & Clinic, Ishiyama-Higashi 3-1-31, Sapporo 005-0850, Japan
The nutcracker syndrome was first reported in 1972 by Schepper [1]
Related symptoms and hematuria have been described as the nutcracker syndrome previously [1, 2], but it remains unclear why compression of the left renal vein by the superior mesenteric artery afflicts only a few patients and which anatomical details are related to the pathophysiological mechanism
Summary
Art Park Urology Hospital & Clinic, Ishiyama-Higashi 3-1-31, Sapporo 005-0850, Japan. Retroperitoneal lipoma presenting with a nutcracker-like phenomenon is extremely rare. I experienced a case of a 65-year-old man presenting with left flank pain and macrohematuria intermittently for 3 years. Computed tomography revealed a lipoma at the left pedicle of the kidney, 30 mm in diameter, causing a curving of the left renal artery and dilatation of the left renal vein. This patient was treated successfully by retroperitoneoscopic resection of the lipoma. There have been no symptoms for 10 years after the operation
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