木村病是一种主要发生于年轻东方人男性的良性、慢性血管淋巴样增生性病变 ,典型表现为头颈部肿块 ,可累及皮下组织 ,大唾液腺及淋巴结 ,双耳廓受累者极罕见。病因不明 ,有过敏反应、寄生虫感染等学说一般倾向于过敏说。诊断常困难 ,主要靠病变组织活检。病理特征为 :受累的淋 Kimura disease is a benign and chronic vascular lymphoproliferative disease that occurs mainly in young Oriental men. Typical manifestations are head and neck mass, subcutaneous tissue, large salivary glands and lymph nodes, which are extremely rare. Etiology is unknown, allergic reactions, parasitic infections and other theories generally tend to be allergic to say. Often difficult to diagnose, mainly by biopsy lesion. Pathological features: involvement of the shower