Sarcoidosis is a systemic granulomatosis of undetermined etiology characterised by the formation of epithelioid and gigantocellular granulomas without caseous necrosis in the affected organs. Our case has a history of sarcoidosis with left flank pain. CT scan founded a left hydronephrosis secondary to a retroperitoneal mass encasing the lumbar ureter which was shunted by a double j stent. Biopsy of the mass showed fibrous tissue with epithelioid and gigantocellular granuloma without caseous necrosis. Our patient is an extremely rare case report.
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Habyebete et al. (2024) studied this question.
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