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Figure 12: Infective ulnar neuropathy at the level of elbow. (a) Clinical photograph showing clawing of right medial two fingers with mild atrophy of the hypothenar muscles. (b) TSE T2 W axial fat suppressed images showing epitrochlear lymph nodes, (c) mild thickening with altered signal of the ulnar nerve at the level of medial epicondyle of the humerus (d) STIR thin coronal image shows a long segment thickening with altered signal of the ulnar nerve (arrow). (e) Sonogram longitudinal image also shows thickened and hypoechoic ulnar nerve. (f and g) DTI images depicting low FA values at the site of pathology (proximal to site of pathology –0.54;at the site of pathology –0.36)

Figure 12: Infective ulnar neuropathy at the level of elbow. (a) Clinical photograph showing clawing of right medial two fingers with mild atrophy of the hypothenar muscles. (b) TSE T2 W axial fat suppressed images showing epitrochlear lymph nodes, (c) mild thickening with altered signal of the ulnar nerve at the level of medial epicondyle of the humerus (d) STIR thin coronal image shows a long segment thickening with altered signal of the ulnar nerve (arrow). (e) Sonogram longitudinal image also shows thickened and hypoechoic ulnar nerve. (f and g) DTI images depicting low FA values at the site of pathology (proximal to site of pathology –0.54;at the site of pathology –0.36)