DDx ⬇
- Trauma, e.g., Colles (distal radius) fracture, lunate dislocation
- Brachial plexus neuropathy
- C6 or C7 cervical radiculopathy
- Pronator teres syndrome (median nerve entrapment at level of pronator teres)
- Mononeuritis multiplex, e.g., diabetes mellitus
- Syringomyelia
- Multiple sclerosis
- Ulnar nerve entrapment at the wrist
- Angina pectoris (left-sided pain)
Related DDx ⬆ ⬇
Etiology ⬆
- Repetitive stress injury
- Flexor tenosynovitis, e.g., overuse, rheumatoid arthritis, gonococcal
- Recent or malhealed fracture
- Myxedema (hypothyroidism)
- Amyloidosis or multiple myeloma
- Sarcoidosis
- Leukemia
- Hemochromatosis
- Hyperparathyroidism
- Acromegaly
- Tumor
- Pregnancy- or menopause-associated
- Eosinophilic fasciitis
- Familial
- Idiopathic