男性,65岁,头顶部肿块两年,近1月明显增大。体检:头顶部肿块2cm×1cm×1cm,边界清,可推动,质硬。于1986年5月3日手术切除。病理检查:肿块1cm×1cm×1cm,切面灰白,质脆。梭形皮肤2cm×1cm,肿块与皮肤粘连。镜下主要由泡沫状皮脂腺样癌细胞和分化差的腺癌细胞组成,形成大小不等、极不规则的皮脂腺小叶。皮脂腺样细胞核位于一侧,核形不规则,胞浆内充满泡沫状空泡。 The male, 65 years old, had a swelling on the top of the head for two years and increased significantly in the first month. Physical examination: The mass at the top of the head is 2cm × 1cm × 1cm. The boundary is clear and it can be pushed and hardened. Surgery was removed on May 3, 1986. Pathological examination: mass 1cm × 1cm × 1cm, gray cut surface, crisp. The spindle-shaped skin was 2cm x 1cm, and the lump adhered to the skin. Microscopically, it consists mainly of foamy sebaceous carcinoma cells and poorly differentiated adenocarcinoma cells, forming sebaceous glands of varying sizes and irregularity. The sebaceous gland-like cell nucleus is located on one side, the nucleus is irregular, and the cytoplasm is filled with foamy vacuoles.