Ultrasound Ultrasound (USG) is not necessary for diagnosing ME as it typically shows normal findings in the majority of cases. However, in each case, the technique is crucial and can capture appropriate images if the tested arm can bend to 90 degrees and the forearm is in a neutral position. The testing should be performed with the arm positioned along the long axis of the forearm, resting on the medial epicondyle of the humerus. Rotational testing at 90 degrees allows visualization of cross-sectional images. Normal flexor structures typically exhibit a general fiber pattern, moderate reflectivity, and uniform thickness In patients with ME, USG may demonstrate thickening and differentiation of the extensor tendons, extending throughout the affected area, with low or absent reflectivity of degenerated tendons (Figure 4). Figure 4 shows the positioning of the test to obtain images of the common flexor tendon (CFT) in the longitudinal (a) and transverse (b) views, as well as accurate ultrasound images of the CFT in the longitudinal (c) and transverse (d) views