１引言原发性颅内恶性淋巴瘤临床较少见。我院１９８９年至２０００年收治２０例，占同期收治的颅内原发肿瘤的１．２％。为积累临床经验，现将２０例患者的临床资料总结报告如下。２临床资料２．１一般资料２０例中男１２例，女８例，男女之比为１．５∶１。年龄５岁至６８岁 1 Introduction Primary intracranial malignant lymphoma is rare. Our hospital from 1989 to 2000, 20 cases were admitted, accounting for the same period of 1.2% of the primary intracranial tumors. To accumulate clinical experience, now 20 cases of patients with clinical data summary report is as follows. 2 Clinical data 2.1 General Information 20 cases of male 12 cases, 8 females, male to female ratio of 1.5: 1. Age 5 to 68 years old