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病例介绍患者女性,51岁。右腰痛20余天,无血尿。饭后不适,偶有呕吐。查体:心肺(-),腹部右侧可触及4cm×5cm肿物,表面光滑,有轻压痛,B超提示肾下极4.7cm×4.5cm低回声区,临床诊断为右肾癌。于1989年1月19日手术,术中见右肾下极约5cm×6cm肿物,肿物压向肾门,表面光滑,与周围无粘连,未触及淋巴结肿大。病理检查:肿物5cm×5cm×3.5cm,有包膜,切面实性,质地较软、匀细,浅灰黄色。镜检:瘤细胞丰富,胞浆嗜酸,核大小不一,深染,呈杆状、圆形及不整形,有不同程度异型,易见核分裂像,可见瘤巨细胞,瘤细胞大多紧密纵横交错排列,间质胶原纤维稀少,瘤组织中可见有灶状坏死及淋巴细胞浸润。Masson染色瘤细胞胞浆红色。Van-Gieson染色瘤细胞黄色,PTAH染色未见胞浆内横纹。病理
Case description Patient female, 51 years old. Right lower back pain for more than 20 days, no hematuria. Discomfort after meals, occasional vomiting. Examination: cardiopulmonary (-), the right side of the abdomen can reach 4cm × 5cm tumor, the surface is smooth, mild tenderness, B ultrasound prompted hypodermic 4.7cm × 4.5cm hypoechoic area, the clinical diagnosis of right kidney cancer. In January 19, 1989 surgery, surgery, see the right lower electrode of the right about 5cm × 6cm tumor, the tumor pressure to the renal portal, the surface smooth, no adhesions with the surrounding, did not touch the swollen lymph nodes. Pathological examination: mass 5cm × 5cm × 3.5cm, a capsule, sliced solid, soft texture, uniform, light gray yellow. Microscopic examination: rich tumor cells, cytoplasm acidophilic, nuclear size varies, deeply stained, was rod-shaped, round and not shaped, with varying degrees of heterogeneity, easy to see nuclear fission, visible tumor giant cells, most of the tumor cells tightly vertical and horizontal Staggered, interstitial collagen fibers sparse, visible tumor tissue necrosis and lymphocyte infiltration. Masson staining tumor cells cytoplasmic red. Van-Gieson staining tumor cells yellow, PTAH staining no cytoplasmic stria. pathology