纵膈原发肿瘤远不如继发多见,其包括一组不同性质的先天性和肿瘤性疾病,多属恶性。我院1980年至1987年上半年共收治15岁以下小儿原发纵膈肿瘤47例,报告如下。 资料及方法 性别、年龄:47例中男34例(72.3％),女13例(27.7％),男女比为2.6:1。年龄2～15岁,平均9.4岁,详见表1。 本文病例均经组织学证实,其中19例(40.1％)属良性,即囊性畸胎瘤11例(23.4％),神经节瘤8 The mediastinal primary tumors are far less common than secondary ones. They include a group of congenital and neoplastic diseases of different nature and are mostly malignant. In our hospital from 1980 to the first half of 1987, a total of 47 children with primary mediastinal tumors under the age of 15 were treated. The report is as follows. Materials and Methods Gender, age: 47 cases of male and female 34 cases (72.3%), female 13 cases (27.7%), male to female ratio was 2.6:1. Age 2 to 15 years old, average 9.4 years old, see Table 1 for details. All the cases were confirmed by histology. Among them, 19 cases (40.1%) were benign, 11 cases (23.4%) of cystic teratoma, and 8 cases of ganglionoma.