Abstract:Retroperitoneal benign lipoid lesions are extremely rare, representing about 2.9% of all primary retroperitoneal tumors. Despite being of benign origin, they can have severe complications. We report a case of an elderly Chinese male presenting with urinary obstruction and lower limb deep vein thrombosis, with computer tomography findings of an extending pre-sacral retroperitoneal lesion. Histology and fluorescence in situ hybridization investigations confirmed that the lesion was of benign lipoid origin. Patie… Show more
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