No imaging necessary if no history of trauma
XR/CT if considering hook of hamate fracture
US can reveal nerve thickening, hypoechoic texture, or anatomic compression
Maximum diameter at medial epicondyle >2.4 mm (81% sensitive, 91% specific)
Labs unlikely to be revealing in absence of systemic symptoms
XR/CT if considering hook of hamate fracture
US can reveal nerve thickening, hypoechoic texture, or anatomic compression
Maximum diameter at medial epicondyle >2.4 mm (81% sensitive, 91% specific)
Maximum diameter at medial epicondyle >2.4 mm (81% sensitive, 91% specific)
Clinical diagnosis
EMG and/or nerve conduction study can confirm in outpatient setting
EMG and/or nerve conduction study can confirm in outpatient setting
Ulnar neuropathy
C8/T1 nerve root lesion
Anterior interosseous neuropathy
Medial cord brachial plexus lesion
Long thoracic neuropathy
Diabetic neuropathy
Posterior interosseous neuropathy
Amyloidosis