绒毛膜癌 (绒癌 ) ,是高度恶性的滋养细胞肿瘤 ;易出现肺转移 ,但又可通过化疗治愈。若以咳嗽、咳血等为首发症状就诊时 ,常致误诊。1　临床资料1.1　一般资料　 1987～ 1996年 1月 ,我院有 5例肺转移性绒癌被误诊 ,其中前 4例误诊为肺原发性癌 ,例 5误诊为肺结核 (见表 1)。表 Choriocarcinoma (choriocarcinoma) is a highly malignant trophoblastic tumor; prone to lung metastasis, but also cured by chemotherapy. If cough, hemoptysis, etc. as the first symptom treatment, often misdiagnosed. 1 Clinical data 1.1 General information 1987 ~ January 1996, 5 cases of lung metastatic choriocarcinoma were misdiagnosed, of which the first 4 cases misdiagnosed as primary lung cancer, 5 cases misdiagnosed as pulmonary tuberculosis (see Table 1). table