Renal Pelvis Leiomyoma: A Novel Percutaneous Approach and Literature Revision
Journal of Renal Cancer(2019)
摘要
Renal pelvis leiomyomas are very rare benign neoplasms that derive from smooth muscle cells. These tumors occur in vessels and in the urothelial mucosa of urinary tract [1]. This report describes a 50-year-old woman with a contrast enhanced lesion in the right renal pelvis, measuring 20 × 23 × 25 mm, which was found incidentally during an abdominalpelvic CT scan. Histopathologic analysis of a cold biopsy revealed a chronic inflammatory process without dysplasia. The mass was resected percutaneously; it was diagnosed as a leiomyoma. Only 13 cases of ureteral leiomyoma have been reported to date; to our knowledge, this is the first such tumor resected using a percutaneous approach [2].
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