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患者,男,56岁。因全程肉眼血尿2周于1996年2月10日入院。病程中伴有尿频、下腹痛病史。B型超声检查膀胱右侧壁有一直径为2.5cm实性占位病变,质地不均匀。CT示膀胱右侧壁有一2.5cm×2.0cm圆形低密度肿块。膀胱镜检查见右侧壁2.5cm×2.0cm广基肿物,分叶状,表面血管丰富,部分坏死伴有出血。行膀胱部分切除术。显微镜下肿瘤细胞呈弥漫状排列,部分胞浆内可见横纹,癌细胞弥漫分布于粘膜下,深肌层。免疫组化染色:横纹肌阳性,肌动蛋白阴性。组织学诊断为:膀胱胚胎型横纹肌肉瘤。术后行右侧盆腔放
Patient, male, 56 years old. Due to the entire gross hematuria 2 weeks in February 10, 1996 admission. Course of concomitant urinary frequency, lower abdominal pain history. B ultrasound examination of the right side wall of the bladder has a diameter of 2.5cm solid occupying lesions, uneven texture. CT showed a right side wall of the bladder a 2.5cm × 2.0cm circular low-density mass. Cystoscopy see the right side of the wall wide 2.5cm × 2.0cm tumor, lobulated, surface vascular rich, with some necrosis of the bleeding. Bladder partial excision. Under the microscope, the tumor cells were diffusely arranged, some stripes were visible in the cytoplasm, and the cancer cells were diffusely distributed in the submucosa and the deep myometrium. Immunohistochemical staining: striated muscle positive, actin negative. Histological diagnosis: Bladder embryonic rhabdomyosarcoma. Postoperative right pelvic release