包虫病为自然疫源性疾病。我区罕见,现将误诊为卵巢囊肿1例报告如下。女,15岁,未婚,学生。左下腹包块3月余,伴阵发性腹疼20余天就诊。病人于3月前因发热、伴恶心、呕吐,在当地医院诊治时,发现右下腹包块伴压疼。20天前出现右下腹阵发性疼痛,无呕吐和腹泻,不发热,以“卵巢囊肿”收入院。个人史:出生本地,10年前随父亲去甘肃居住2年余。月经尚未来潮。查体:肝脏剑 Hydatid disease is a natural foci of disease. My area is rare, now misdiagnosed as ovarian cyst 1 case report as follows. Female, 15 years old, single, student. Left lower quadrant mass more than 3 months, with paroxysmal abdominal pain more than 20 days treatment. The patient had fever, nausea and vomiting 3 months ago and was diagnosed with pressure tenderness in the right lower quadrant when he was diagnosed and treated in a local hospital. 20 days ago, right lower quadrant paroxysmal pain, no vomiting and diarrhea, no fever, “ovarian cyst” income hospital. Personal history: born locally, 10 years ago with my father to live in Gansu more than 2 years. Menstruation has not yet come. Physical examination: liver sword