小儿性腺外生殖细胞瘤较为少见,但其生物学行为与性腺内者不同,为引起重视,现将我们诊治的62例临床病理分析如下: 临床资料 收集我院1957～1988年间住院手术治疗的小儿(14岁以下)性腺外生殖细胞瘤62例,均经病理确诊,病史完整,其中45例获得随访结果。本组良性29例,恶性33例,均发生在身体的中线或附近区域,各类肿瘤具体部位见(表1)。男性29例(良性13例,恶性16例),女性33例(良性14例,恶性19例),各类肿瘤年龄分布见(表2)。发生在骶尾部的肿瘤良恶性与 Children’s extragonadal germ cell tumors are rare, but their biological behavior is different from those in the gonads. We pay attention to the clinical pathological analysis of 62 cases that we diagnosed and treated as follows: Clinical data collected in our hospital from 1957 to 1988 (Under 14 years of age) 62 cases of extragonadal germ cell tumors were diagnosed by pathology and the medical history was complete. 45 cases were followed up. In this group, 29 cases were benign and 33 cases were malignant. All occurred in the midline or in the vicinity of the body. The specific sites of various types of tumors were seen (Table 1). There were 29 males (13 benign and 16 malignant) and 33 females (14 benign and 19 malignant). The age distributions of various types of tumors were found (Table 2). The benign and malignant tumors occur in the sacrococcygeal