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1 临床资料 患者,男性,68岁。因查体发现肺肿物8年,近期发现肿大入院。CT示右肺下叶肿瘤。手术所见:右肺下叶背段肿物,包膜不完整,约4.0cm×5.0cm大小,质脆。临床诊断:肺肿物。病理巨检:椭圆形肿物一个,体积2.5cm×3.0cm×4.5cm,表面结节样,切面灰红灰白,见小裂隙,包膜不完整。镜检:肿瘤大部分由透亮的大细胞构成,细胞呈多角形、圆形或梭形,胞膜清楚。胞核居中,深染,五分裂像。瘤细胞之间含薄壁血窦。病理诊断:肺透明细胞瘤(糖瘤)。 2 讨论 肺的透明细胞瘤又称糖瘤,因瘤细胞胞浆透明而得名,成人多见,通常位于肺周边部,为境界清楚较小的圆形或卵圆形肿物,无包膜。多数病例无症状,体检时偶然发现。镜
1 clinical data, male, 68 years old. Due to physical examination findings of lung tumor for 8 years, recently found swollen admission. CT showed right lower lobe tumor. Surgical findings: the right lower lobe tumor, incomplete capsule, about 4.0cm × 5.0cm size, crisp. Clinical diagnosis: lung tumor. Pathological giant examination: an oval tumor, the volume of 2.5cm × 3.0cm × 4.5cm, surface nodular, cut gray and gray, see small cracks, the capsule is not complete. Microscopic examination: most of the tumor by translucent large cells, cells were polygonal, round or fusiform, clear membrane. Nucleus center, deep dye, five split like. Between the tumor cells containing thin-walled sinusoids. Pathological diagnosis: Lung clear cell tumor (tumor). 2 Discussion Lung clear cell tumor, also known as the tumor of the tumor, due to tumor cell cytoplasm transparent name, more common in adults, usually located in the periphery of the lung, clear for the state of smaller round or oval tumor, no capsule . Most cases are asymptomatic, when the accidental discovery. mirror