儿童恶性胸腺瘤少见。国内6所儿科医院2,133例恶性实体瘤中,仅见4例,占0.18%,本院收治1例报告如下。病例摘要患儿,女性,12岁,发现左下颈肿块10个月。5个月前在重庆某院活检,病理诊断为左下颈淋巴结转移性恶性胸腺瘤。于1982年8月24日来本院治疗。当时一般情况较好,左下颈肿块13×9cm。胸 Children with malignant thymoma are rare. Of the 2,133 cases of malignant solid tumors in 6 pediatric hospitals in China, only 4 were found, accounting for 0.18%. One case reported in this hospital was reported below. Case summary Children, female, 12 years old, found a left lower neck mass for 10 months. Five months ago, a biopsy was performed at a hospital in Chongqing. The pathological diagnosis was left-sided cervical lymph node metastatic malignant thymoma. On August 24, 1982, he came to the hospital for treatment. At that time, the condition was generally better. The left lower neck mass was 13 x 9 cm. chest