咽旁间隙肿瘤术后并发初次咀嚼症候群2例

First bite syndrome after parapharyngeal space tumor surgery:two cases report

1病例报告例1,女,65岁,因“发现左侧咽旁间隙肿物2周”于2016年12月入院。入院体检:左咽侧壁膨隆,黏膜表面光滑,左侧扁桃体及咽侧索内移。增强MRI提示:左侧咽旁间隙见不规则软组织信号,与肌肉信号比较,在T1WI呈略高信号,在T2WI呈高信号,边界清,均匀强化(图1)。

Ten patients with parapharyngeal space tumor,all underwent surgery,which of two cases concurrent FBS,analyze its clinical characteristics and review the related literatures.Two cases complicated with FBS,both with primary healing of incision,the pathological diagnosis are pleomorphic adenoma and schwannoglioma respectively,both give non-steroidal anti-inflammatory drugs,paregoric and anticonvulsants,followed up for nine months and 16 months respectively,both two cases partial relief.FBS is one of surgical complications of parapharyngeal space,which should not be neglected by physicians.Additional investigations of FBS are needed to gain a better understanding of the pathophysiological mechanisms of this condition.