Case Reports in Orthopedics / 2015 / Article / Fig 3

Case Report

Ultrasound-Guided Quadrilateral Space Block for the Diagnosis of Quadrilateral Syndrome

Figure 3

View of the quadrilateral space (white box), posterior circumflex humeral artery (PCHA), humerus (H), and teres minor (TM). Figure adapted from the medical gallery of Mikael Haggstrom.