A Low-Cost Ultrasound Phantom for Peritonsillar Abscess Drainage Training.

Background: Peritonsillar abscesses (PTAs) are encountered routinely in clinical practice. Ultrasound-guided aspiration has been proven both safe and effective in treating this condition. However, to date, there are no easily produced, low-cost models that enable the practice of point-of-care ultrasound-guided PTA aspiration and PTA diagnosis.