Abstract

IntroductionThe postoperative spindle cell nodule of the urinary tract is a bening proliferative lesion similar to sarcoma in the microscopic exam. We present a case of nodulein renal pelvis location CaseA woman presenting a stag horn lithiasis in left kidney was treated by LOC and percutaneous nephroscopy. Because of the large size of the stone a second intervention was required four weeks later. Then we discovered a 2 cm exophytic lesion in renal pelvis and removed it easily with a forceps DiscussionThis kind lesion belong to the group of iatrogenic inflamamtory pseudotumours, wich are secondary to an injury that leads to a tissular repairing response. Differential diagnostic includes sarcomas ConclusionsIt is important that Urology and pathology specialist think of this tumour in patients having a recent surgical intervention. A mistake in the diagnosis would lead us to an unnecessary radical surgery

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