现将小肠系膜恶性间质瘤1例超声误诊及病理分析如下。1病历摘要女,57岁。已婚,绝经7 a。下腹胀痛近1 a,有时自觉下腹有包块感,无呕吐腹泻、便秘史。当地医院就诊,B超提示:右附件区类圆形异常回声区,大小约112 mm×75 mm,考虑右侧附件畸胎瘤,子宫老年性萎缩,左侧附件未见异常声 Malignant mesenchymal small intestinal mesenomas now a case of ultrasound misdiagnosis and pathology are as follows. 1 medical record summary female, 57 years old. Married, menopause 7 a. Abdominal pain nearly 1 a, sometimes consciously lower abdomen with mass, no vomiting diarrhea, constipation history. Local hospital, B-Tip: right attachment area circular abnormal echo area, the size of about 112 mm × 75 mm, consider the right accessory teratoma, uterine aging, no abnormal sound left attachment