原发于椎管内硬膜外的恶性淋巴瘤十分少见 ,本文作者在低场 MRI遇见 2例 ,均经手术病理证实 ,现报道如下。1　临床资料　 [病例 1]　患者 ,女 ,5 6岁。于 2个月前无明显诱因感觉双下肢无力、麻木 ,伴后背部疼痛 ,病情进行性加重 ,活动不灵至不能独立行走 ,8d前出现尿、便潴留。 Primary intradural epidural malignant lymphoma is very rare, the authors of this article in low-field MRI met 2 cases, both confirmed by surgical pathology, are reported below. 1 clinical data [Case 1] patients, female, 56 years old. 2 months ago, no obvious incentive to feel weakness in both lower extremities, numbness, with back pain, progressive aggravating illness, unable to walk independently, before 8d urine, it retention.