Muscular atrophy of the hand

Differential Diagnosis
In alphabetical order.

 Frequent Causes 
 * Amyotrophic Lateral Sclerosis
 * Brachial paralysis
 * Carpal Tunnel Syndrome
 * Neurogenic muscular atrophy
 * Pancoast tumor
 * Radial nerve paralysis
 * Syringomyelia
 * Ulnar nerve paralysis