Category: Visual Diagnosis
20 year-old female presents with sore throat, right throat fullness, difficulty speaking for 2-3 days. A bedside ultrasound and subsequent CT was obtained as seen below. What's the diagnosis?
The ultrasound image is a transcutaneous approach with a linear transducer that is placed at the angle of the mandible of the affected side. This is an alternative approach to an intra-oral ultrasound with the endocavitary transducer if the patient has trismus.
Take Home Points:
How to do an intra-oral US-guided needle aspiration of PTA, check out:
For a brief video on how to perform a transcutaneous US for PTA:
Halm BM, Ng C, Larrabee YC. Diagnosis of a Peritonsillar Abscess by Transcutaneous Point-of-Care Ultrasound in the Pediatric Emergency Department. Pediatr Emerg Care. 2016;32(7):489-92.
Rehrer M, Mantuani D, Nagdev A. Identification of peritonsillar abscess by transcutaneous cervical ultrasound. Am J Emerg Med. 2013;31(1):267.e1-3.