2.The neck metastatic carcinoma were 3 cases, radiative ulcer in the neck of nasopharyngeal carci-noma 1 case, angiofibroma of nasopharynx 1 case, central hemangioma of the maxilla 1 case.

• 其中颈部复发性转移癌浸润颈总动脉、颈内动脉3例,鼻咽癌放疗后颈部溃疡侵犯颈总动脉1例,上颌骨中央性血管瘤大出血1例,鼻咽纤维血管瘤术中、术后大出血1例。