咽旁间隙是一上起颅底下至舌骨,位置深在,解剖关系复杂的潜在间隙,茎突及其筋膜将间隙分为前、后两部分,前部较小,内含部分腮腺深叶及脂肪,可发生涎腺源性瘤、脂肪瘤;间隙后部较大,与咽后间隙有一层薄弱筋膜相隔,充满疏松结缔组织,内有颈深淋巴结上群、丰富的血管、神经、球体 Parapharyngeal space is a skull from the bottom up to the hyoid bone, deep in the position of the potential anatomical complex gap, the styloid process and the fascia will be divided into the gap before and after the two parts, the smaller anterior part containing the parotid gland deep Leaves and fat, can occur salivary gland derived tumor, lipoma; larger posterior gap, and the posterior pharyngeal gap between a thin fascia, full of loose connective tissue, the neck deep within the lymph nodes, rich in blood vessels, nerves , Sphere