扁桃体周围脓肿（PA）与蜂窝织炎难以区别，多依赖盲目穿刺，该作者试用超声技术进行鉴别诊断。对3例正常人和］8例疑为PA患者分别经颈外皮肤和口内途径超声检查，正常扁桃体表现为显象均匀和卵圆形低回声区，扁桃体增大但直象均匀或是波纹状者考虑为蜂窝织炎，显象不均匀或是 Peritonsillar abscess (PA) and cellulitis is difficult to distinguish, relying on blind puncture, the authors try ultrasound for differential diagnosis. Three normal subjects and eight patients with suspected PA were examined by ultrasonography of the external carotid skin and the oral cavity, respectively. Normal tonsils showed uniform and oval hypoechoic areas. The tonsils were enlarged but straight as uniform or corrugated Considered as cellulitis, the imaging is not uniform or