A physical examination of the hand may show discoloration (blanching, mottling, and/ or cyanosis; gangrene may be present in advanced cases), unusual tenderness/ a callous over the<unk>  eminence, and fingertip ulcerations and splinter hemorrhages over ulnar digits; if an aneurysm is present, there may also be a pulsatile mass. Allen's test will be positive if an occlusion is present and negative if an aneurysm is present. An angiogram may show a "corkscrew" ulnar artery or an occlusion or aneurysm at the hook of the hamate.
Hypothenar hammer syndrome
Anterior interosseous syndrome
Femur fibula ulna syndrome
Carpal coalition
Dead arm syndrome
Adducted thumb syndrome
Sprengel's deformity
Multicentric carpotarsal osteolysis syndrome