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患者女,19岁,柯尔克孜族。患者自出生至今脐部常有少量尿液流出。一年前脐中央长出一淡红色息肉样物,如粟粒大,无痛,生长较慢。查体:脐中央见半蚕豆大小肿物,淡红色肉芽状。常规消毒后行肿物切除术、术中见肿物有一蒂在脐尿管深约0.7cm处与脐尿管管壁相连。病理检查:半圆形息肉样肿物,0.7cm×0.7cm×0.5cm.淡红色,质中,剖面灰红,实质性。镜下:肿物表面被覆一层高柱状上皮,有小凹结构,实质部由立方形细胞形成的许多小管状结构组成,颇似肾远曲小管与近曲小管构象,核较一致,胞浆红染颗粒状,间质结缔组织水肿,有淋巴细胞、浆细胞浸润。病
Female patient, 19 years old, Kirgiz. Since the birth of patients with a small amount of urine often umbilical outflow. A year ago, a bluish-red polyp sample grew at the center of the umbilical cord, such as large miliary pain and slow growth. Physical examination: see half of the size of the umbilical cord tumor mass, pale red buds. Conventional disinfection after tumor resection, intraoperative tumor see a pedicle in the uvula about 0.7cm at the umbilical wall connected. Pathological examination: semicircular polypoid mass, 0.7cm × 0.7cm × 0.5cm. Reddish, medium, cross-section reddish, substantial. Microscope: the tumor surface covered with a layer of high columnar epithelium, a small concave structure, the substantial part of the cube-shaped cells formed by many small tubular structure, similar to the distal convoluted tubules and proximal convoluted tubular conformation, nuclear consistency, cytoplasm Red dye granular, interstitial connective tissue edema, lymphocytes, plasma cell infiltration. disease