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Fibroepithelial Polyps Causing Ureteropelvic Junction Obstruction in a Child

纖維上皮息肉造成腎盂輸尿管結合處阻塞在一位生長遲緩的男童

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摘要


輸尿管纖維上皮息肉是來自中胚層組識,且極少造成兒童腎盂輸尿管結合處阻塞。本文中,我們報告一位11歲男童罹患輸尿管纖維上皮息肉的病例。該病人主述左腰及左腹疼痛,並有身材矮小的問題。靜脈腎盂攝影發現左側腎盂輸尿管結合處阻塞併腎水腫。手術中發現有數條手指狀息肉造成輸尿管阻塞,治療方式是將有息肉的輸尿管切除及進行腎盂整形術。病人術後狀況恢復良好,身高亦趕上同年齡標準。病理報告證實為纖維上皮息肉。

並列摘要


Fibroepithelial polyps of the ureter are benign tumors arising from mesodermal tissue in the ureter wall. They are extremely rare lesions that can cause ureteropelvic junction obstruction in children. In this report, we describe an 11-year-old boy with fibroepithelial polyps of the ureter that caused left ureteropelvic junction obstruction. He presented with a 6-month history of left abdominal and flank pain. He also had short stature. Intravenous pyelography showed hydronephrosis without filling defects at the left ureteropelvic junction. Exploration revealed several finger-like polyps obstructing the lumen. This area was resected segmentally and a dismembered pyeloplasty was performed. No complications occurred during the postoperative period. The boy caught up in growth after the operation. Fibroepithelial polyps were confirmed by histology.

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