Paresthesias, numbness, and pain in 4th and 5th digits
Symptoms often worse with repetitive elbow flexion
Grip weakness, weak thumb adduction
Severe cases with muscle atrophy and clawing of fingers
Sensation testing - deficits in<unk>  distribution
Strength testing - weak abduction and adduction of the fingers and thumb
Specifically adductor pollicis weakness resulting in positive Froment sign
Tinel test at elbow and/or wrist (nonspecific)
Specifically adductor pollicis weakness resulting in positive Froment sign
Ulnar neuropathy
C8/T1 nerve root lesion
Anterior interosseous neuropathy
Medial cord brachial plexus lesion
Long thoracic neuropathy
Diabetic neuropathy
Posterior interosseous neuropathy
Amyloidosis