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咽旁肿胀可出许多原因引起,鉴别诊断包括颈动脉体瘤,鳃裂囊肿,涎腺肿瘤,颈动脉瘤,神经纤维瘤和继发于感染形成的颈淋巴结病。化学感受器瘤(存副神经节瘤、颈动脉体瘤等)是少见的肿瘤,至今大约报告300例副神经节瘤按照解剖部位不同而有不同命名,但最常见的是颈动脉体瘤。根据临床所见和颈动脉血管造影可作出诊断。一般说来,颈动脉体瘤的症状和体征是非特异性的,最常见是在颈总动脉分叉处有一无痛肿块。位于颈部,恰在下颌角下方,胸锁乳突肌深部和内侧可触及肿块。因肿瘤与颈动脉鞘相连,其上下方向移位受限,但可左右方向移动。5—10%颈动脉体瘤可
Parapharyngeal swelling can be caused by many causes. Differential diagnosis includes carotid body tumors, branchial cleft cysts, parotid gland tumors, carotid aneurysms, neurofibromas, and cervical lymphadenopathy secondary to infection. Chemoreceptor tumors (preserving paraganglioma, carotid body tumors, etc.) are rare tumors. Up to now, approximately 300 cases of paraganglioma have been named according to different anatomical sites, but the most common are carotid body tumors. According to clinical findings and carotid angiography can make a diagnosis. In general, the symptoms and signs of carotid body tumors are non-specific, the most common being a painless mass in the bifurcation of the common carotid artery. Located in the neck, just below the mandibular angle, the sternocleidomastoid muscle can reach the deep and medial masses. Because the tumor is connected with the sheath of the carotid artery, its vertical displacement is limited, but it can move in the left and right direction. 5-10% of carotid body tumors