The role of computed tomography in the management of peritonsillar abscess

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Abstract
Twenty‐four patients who fulfilled the clinical criteria for peritonsillar abscess (PTA) were randomized into two groups over a 6‐month period. Group A (n = 13) underwent CT with contrast, whereas group B (n = 11) was managed without radiologic Investigation. In group A, CT with contrast enabled differentiation of PTA from peritonsillar cellulitis in all 13 cases (100%) and demonstrated abscesses in 11 patients (85%), thereby allowing drainage at first attempt. Two patients with peritonsillar cellulitis were successfully managed with antibiotics only. In group B, all patients underwent needle aspiration. In seven patients (64%), pus was found after needle aspiration at first attempt and In one patient after needle aspirations at two locations. In three patients (27%), no pus was found after needle aspirations at three different locations. We conclude that CT enhances diagnostic accuracy, obviating unnecessary drainage procedures, and reduces patient morbidity.

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