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本文报告了13例咽淋巴环外头颈结外淋巴瘤的CT和MRI表现，其中单纯结外性4例，结外合并结性3例，单纯结外混合型2例，结外混合型合并结性4例。文内讨论了头颈淋巴瘤分类，咽淋巴环外结外淋巴瘤病变CT和MRI表现和鉴别诊断。
This paper reports the CT and MRI findings of 13 cases of pharyngeal lymph node extranodal head and neck lymphoma, including 4 cases of simple extranodal involvement, 3 cases of extranodal complications, 2 cases of extranodal mixed type, and extranodal mixed type complications. 4 cases. This article discussed the head and neck lymphoma classification, pharyngeal lymph node extranodal extranodal lymphoma lesions CT and MRI performance and differential diagnosis.