患者,男,57岁,汉族,农民,有牛羊狗接触史。2011年2月曾以“无明显诱因发现左臀部核桃大小包块,行走及劳动时疼痛,包块渐增大2周”为主诉门诊以“左臀部肿物”收住青海大学附属医院。行手术治疗,术中诊断:左坐骨骨包虫。行病灶清除植骨术,放置负压引流管。病理检查报告证实为坐骨骨包虫病。术后给予抗感染、引流、对症处理,恢复良 Patient, male, 57 years old, Han nationality, farmer, history of contact with cattle and sheep. February 2011 once “no obvious incentive found that the left hip walnut size of the package, walking and labor pain, mass gradually increased 2 weeks ” mainly complained of “left buttocks tumor ” admitted to Qinghai University Affiliated hospital. Surgical treatment, intraoperative diagnosis: the left ischial bone hydatid. Debridement lesion bone grafting, placing a negative pressure drainage tube. The pathological examination confirmed that the sciatic echinococcosis. Postoperative anti-infective, drainage, symptomatic treatment, recovery good