中线外周T细胞淋巴瘤是发生于面部中线的恶性肿瘤。在临床中此病并不少见,诊断较为困难。由于病理诊断学免疫组化及电镜研究的发展,这类疾病越来越多地被发现 现将我科1990年5月～1992年1月收治的3例报告如下。 Midline peripheral T cell lymphoma is a malignant tumor that occurs in the midline of the face. In the clinical disease is not uncommon, the diagnosis is more difficult. As pathological diagnosis of immunohistochemistry and electron microscopy research, more and more of these diseases have been found in our department from 1990 May to 1992 January 3 cases were reported as follows.