Utilization of ultrasound for diagnostic evaluation and management of peritonsillar abscesses.

Purpose of review: We outlined the management of peritonsillar abscess (PTA) through the use of ultrasound, an imaging modality that continues to emerge as a diverse diagnostic and treatment tool. Our review compares the use of ultrasound to alternative diagnostic modalities, particularly computed tomography (CT). Further, the review evaluates how ultrasound can be used to help facilitate guided drainage of PTA and serve as a suitable alternative to more invasive management options. Recent findings: Studies over the past 5 years have demonstrated that the initial management of PTA with ultrasound is a more cost-efficient and lower-risk option than imaging with CT. Ultrasound possesses great specificity for PTA and may be more diagnostically accurate than previously thought. Ultrasound is particularly well tolerated in children and adults, avoids radiation exposure, as well as minimizes false-positive aspirations. In addition, the ability to utilize ultrasound from different approaches allows for flexibility in the management of PTA. Summary: These findings illustrate that ultrasound is being increasingly considered in the management of stable patients presenting with PTA. Copyright (C) 2017 Wolters Kluwer Health, Inc. All rights reserved.

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