Ahmed K, Jones A S, Shah K, Smethurst A
Department of Otolaryngology, Walton Hospital, Liverpool, UK.
J Laryngol Otol. 1994 Jul;108(7):610-2. doi: 10.1017/s0022215100127598.
A distinction between a peritonsillar abscess and peritonsillitis is useful clinically, as the former requires surgical drainage while the latter merely requires treatment with antibiotics. To evaluate the diagnostic implications of performing ultrasonography of the tonsils in patients with clinically diagnosed peritonsillar abscess, 27 patients underwent ultrasound examination before needle aspiration of the abscess was performed. Ultrasound was able to detect peritonsillar abscess in 91 per cent of the cases (sensitivity rate), with a false negative rate of nine per cent and a false positive rate of 20 per cent. The specificity of the test was 80 per cent, and was able to differentiate abscess from peritonsillitis in 88.9 per cent. On the basis of these results we conclude that ultrasonography of the tonsils in patients thought to have peritonsillar abscess is a useful adjunct, enhancing diagnostic accuracy and reducing unnecessary surgical drainage.
临床上区分扁桃体周围脓肿和扁桃体炎很有用，因为前者需要手术引流，而后者仅需用抗生素治疗。为了评估对临床诊断为扁桃体周围脓肿的患者进行扁桃体超声检查的诊断意义，27例患者在脓肿穿刺抽吸前接受了超声检查。超声能够在91%的病例中检测到扁桃体周围脓肿（灵敏度），假阴性率为9%，假阳性率为20%。该检查的特异性为80%，能够在88.9%的病例中区分脓肿和扁桃体炎。基于这些结果，我们得出结论，对疑似扁桃体周围脓肿的患者进行扁桃体超声检查是一种有用的辅助手段，可提高诊断准确性并减少不必要的手术引流。
