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患者女,20岁。自幼发现肛门肿物青豆大,脱出肛外。肿物缓慢增大,色变深,大便带血。因大便带血增多就诊。查:肛管齿状线偏上7点处见一向腔内突起的息肉状物,色黑,表面粗糙,高低不平。手术切除。 病理检查 息肉状肿物一个3 cm×2.5×2 cm,基底宽0.6×0.5 cm,表面高低不平黑褐色;切面实性,黑褐色与灰白色相杂,其中灰白色区成细条状分隔。镜下:肿瘤由2种
The patient is 20 years old. Since childhood, it has been found that the anal mass is large and it is out of the anus. The mass slowly increases, the color becomes dark, and the stool is bloody. Increased blood pressure due to stools. Check: The dentate line of the anal canal is seen at 7 o’clock above the point where it has seen a protruding polyp in the cavity. The color is black and the surface is rough and uneven. Surgery. Pathological examination The polypoid mass was 3 cm × 2.5 × 2 cm, and the base was 0.6 × 0.5 cm wide. The surface was uneven and dark brown; the cut surface was solid, dark brown and grayish white, and the grayish white areas were separated into thin strips. Microscope: Tumors from 2 species