From: Primary Raynaud's phenomenon in an infant: a case report and review of literature
Type of acrocyanosis | Causes |
---|---|
Unilateral acrocyanosis | Â |
 | Local trauma/digital injury |
 | Local infection: Paronechia |
 | Raynaud's phenomenon |
 | Thoracic outlet syndrome |
 | Carpel Tunnel syndrome |
 | Cervical tumors compressing neurovascular bundle* e.g. Neuroblastoma, stellate ganglion tumor |
 | Thromboembolism of arteries of palmar arch |
 | Frostbite |
 | Reflex Sympathetic dystrophy |
Bilateral acrocyanosis** | Â |
 | Benign acrocyanosis of infancy |
 | Frostbite |
 | Pernio |
 | Raynaud's phenomenon |
 | Reflex sympathetic dystrophy |
 | Hypoxemia** |
 | Congenital cyanotic heart disease** |
 | Methemoglobinemia** |
 | Purpura fulminans |
 | Pheochromocytoma |