在头颈部肿瘤中,咽旁间隙肿瘤(parapharyngeal space neoplasms)是一类诊治相对困难的疾病。咽旁间隙肿瘤发病率很低,约占所有头颈部肿瘤的0.5%。大多数咽旁间隙肿瘤为良性病变(高达80%),其余20%是恶性肿瘤[1]。由于该部位肿瘤位置深在,早期不容易发现,临床活检及治疗均存在困难,现将四川省肿瘤医院收治的1例患者报道如下。1临床资料 Among head and neck tumors, parapharyngeal space neoplasms are a type of relatively difficult condition to diagnose and treat. Parapharyngeal space tumor incidence is very low, accounting for about 0.5% of all head and neck cancer. Most parapharyngeal space tumors are benign (up to 80%) and the remaining 20% ​​are malignant tumors [1]. As the site of tumor deep in the early is not easy to find, clinical biopsy and treatment are difficult, now the Sichuan Provincial Cancer Hospital treated 1 case reported as follows. 1 clinical data