患者50岁,住院号121538。1977年发现左侧外阴部有一蚕豆大硬块,无任何感觉,缓慢增大,五年后长至鸡卵大,表面常被擦破流少量血水,伴痛痒感,数日后则自愈。1983年3月22日入本院妇科治疗,查体未见异常。妇检:左侧大阴唇内侧可触及5×4×3cm 硬块,表面皮肤色素部分脱失,无红肿及压痛,边界清楚,可随皮肤活动。肿物内侧有3×2cm 的溃疡面,无接触出血,腹股沟淋巴结不肿大。局部活检病理诊断为颗粒细胞性肌母细胞瘤。1983年3月28日在骶管麻醉下行肿瘤切除术,将肿瘤连同周围脂肪组织1cm 一并切除,术后7天拆线,伤口Ⅱ期愈合。随访3年4个月无复发。病理检查(病理号780(?)3):肿瘤灰黄色,椭圆 Patient 50 years old, hospital number 121538. 1977 found in the left genitals have a broad bean lump, without any feeling, slowly increase, five years later grow to chicken eggs, the surface is often rubbed a small amount of bloody water, with itching, A few days later self-healing. March 22, 1983 into our hospital gynecological treatment, physical examination showed no abnormalities. Gynecological examination: the left labia majora touches the inside of 5 × 4 × 3cm lumps, the surface of the skin pigment partially lost, no swelling and tenderness, the boundary is clear, with the skin activity. There are 3 × 2cm ulcers on the medial side of the tumor. There is no contact bleeding and the inguinal lymph nodes are not swollen. Local biopsy was diagnosed as granulocytic myoblastoma. March 28, 1983 in caudal anesthesia underwent tumor resection, the tumor together with the surrounding 1cm of adipose tissue resection, stitches removed after 7 days, the wound healing in the second. Follow-up 3 years 4 months without recurrence. Pathological examination (pathology No. 780 (?) 3): tumor grayish yellow, oval