恶性淋巴瘤特别是非霍奇金淋巴瘤临床表现各异,但以皮肤病变作为首发表现或唯一表现者不多见,常常导致误诊而延误治疗。现将我院近年遇到的4例患者报告如下。1　病例资料例1　男,74岁,发现右小腿斑块3个月,并进行性增大,近数周发展迅速,并形成巨大溃疡性肿块,外院曾诊断为“下? The clinical manifestations of malignant lymphoma, especially non-Hodgkin’s lymphoma, are different, but skin lesions as the first or only performers are rare, often leading to misdiagnosis and delay treatment. The 4 patients encountered in our hospital in recent years are reported below. 1 Case data Example 1 Male, 74 years old, found right calf plaque for 3 months, and progressively increased, developed rapidly in recent weeks, and the formation of huge ulcerous mass, the external hospital had been diagnosed as "under?