血管瘤性淋巴错构瘤十分罕见,其形态结构虽有其特殊的表现,但如不熟悉本病,往往易被忽略而误诊为慢性淋巴结炎、淋巴结反应性增生、甚至胸腺瘤等。现将我科遇到的2例报告如下。例1,男性53岁,因颈左侧肿块7年入院。7年前舌下囊肿切除后出现颈两侧肿块,穿刺见大量淋巴细胞而予抗痨治疗,但肿块不断增大,体检:左锁骨上 Hemangiopericytoma is very rare, although its morphological structure has its special performance, but if not familiar with the disease, it is often easily overlooked and misdiagnosed as chronic lymphadenitis, lymph node reactive hyperplasia, and even thymoma. The 2 cases reported by our department are as follows. In Example 1, the male was 53 years old and was admitted to the hospital with a left neck mass for 7 years. After the removal of sublingual cysts 7 years ago, bilateral masses on both sides of the neck appeared, and a large number of lymphocytes were seen in the puncture for antispasmodic treatment. However, the masses continued to increase. Physical examination: left supraclavicular