１引言蔓状血管瘤是由血管壁显著扩张的动脉和静脉直接吻合而成，故又称为先天性动静脉瘘。头颈部蔓状血管瘤临床上较少见，而位于咽后间隙极为少见，本文报告１例如下。２病例报告患儿男，５岁。因发现颈部肿块伴咽痛８日于２００１年８月７日入院。８日前患儿咽痛、低热伴有 1 Introduction Vascular hemangioma is a direct expansion of the arteries and veins significantly expanded by the vascular wall anastomosis, it is also known as congenital arteriovenous fistula. Head and neck vascular hemangioma less common in clinical, but located in the posterior pharyngeal space is extremely rare, this report 1 case as follows. 2 cases reported children with male, 5 years old. Due to the discovery of cervical mass with sore throat on the 8th on August 7, 2001 admitted. 8 days ago, children with sore throat, fever associated with