Condition	Characteristics
Carpometacarpal arthritis of thumb	Joint line pain, pain on motion, radiologic finding
Cervical radiculopathy (C6)	Neck pain, numbness in thumb and index finger only
Flexor carpi radialis tenosynovitis	Tenderness near base of thumb
Median nerve compression at elbow	Tenderness at the proximal forearm
Raynaud phenomenon	History of symptoms related to cold exposure
Ulnar or cubital tunnel syndrome	First dorsal interosseous weakness, fourth and fifth digit paresthesias
Vibration white finger	Uses vibrating hand tools at work
Volar radial ganglion	Mass near base of thumb, above wrist flexion crease
Wrist arthritis	Limited motion at wrist, radiologic finding