原发于淋巴结以外其他部位的恶性淋巴瘤在儿童中罕见,且常以其他疾病形式表现。分析29例非何杰金氏淋巴瘤和淋巴组织增生性疾病中,仅3例是原发于鼻腔鼻窦的非何杰金氏淋巴瘤。儿童非何杰金氏淋巴瘤有59％原发于淋巴结外,而成人约为10～34％;其中发生于鼻腔、鼻窦、口腔和口咽部者占有16.4％,成 Malignant lymphomas, which originate outside of the lymph nodes, are rare in children and often manifest as other forms of disease. Of the 29 non-Hodgkin’s lymphoma and lymphoproliferative diseases analyzed, only 3 were non-Hodgkin’s lymphoma that originated in the nasal sinus. Fifty-nine percent of children with non-Hodgkin’s lymphoma originate outside the lymph nodes, compared with about 10 to 34% of adults, of whom 16.4% occur in the nasal cavity, paranasal sinuses, mouth and oropharynx