患者　女 ,1 3岁 ,1年前无明显诱因讲话不清 ,逐渐加重 ,无口腔出血及呼吸困难 ,外院拟诊“咽部血管瘤”遂来本院就诊。体检 :舌根部淡红色肿块 ,光滑隆起 ,颈部淋巴结未触及肿大。ＣＴ增强扫描 :舌根中线见一直径近 3ｃｍ大小类圆形高密度肿块 ,均匀明显强化。拟诊“舌根部血 Female patient, 13 years old, 1 year ago, no obvious incentive to speak unclear, and gradually increased, no oral bleeding and breathing difficulties, the hospital proposed diagnosis of “pharyngeal hemangioma” then came to our hospital. Physical examination: pink tongue mass lumps, smooth bulge, cervical lymph nodes did not touch swollen. CT enhanced scan: see the tongue base line diameter of nearly 3cm in size round high-density mass, uniform significantly enhanced. To be diagnosed "tongue base blood