AC joint injury on transverse ultrasound

The transverse ultrasound image above shows an injury to the acromioclavicular joint that manifests as increased joint space.

AC: acromioclavicular.

From: Disorders of the acromioclavicular joint. In: Waldman's Comprehensive Atlas of Diagnostic Ultrasound of Painful Conditions, Waldman S (Ed), Wolters Kluwer 2016. Copyright © 2016. Reproduced with permission from Wolters Kluwer Health.