恶性淋巴瘤(简称ML)是原发于淋巴结或其他淋巴组织的恶性肿瘤,国内资料统计占全部恶性肿瘤的3～6％,死亡率居恶性肿瘤的第10位。但该病大都就诊于内科,所以口腔颌面部ML专题报道较少。ML临床表现复杂,病理表现又不完全一致,因此临床很容易误诊。现将临床初诊误诊或待诊,最后经病理检验确诊4例非何杰金氏淋巴瘤在口腔颌面部临 Malignant lymphoma (abbreviated as ML) is a malignant tumor that originates in lymph nodes or other lymphoid tissues. Domestic statistics account for 3 to 6% of all malignant tumors, and mortality rate ranks 10th among malignant tumors. However, most of the diseases are diagnosed in internal medicine, so there are fewer special reports on oral and maxillofacial ML. The clinical manifestations of ML are complex and the pathological manifestations are not exactly the same, so the clinic is easily misdiagnosed. Misdiagnosis or waiting for the clinic to be newly diagnosed, and finally confirmed by pathological examination 4 cases of non-Hodgkin’s lymphoma in the oral and maxillofacial pro