A condition in which a finger has a mottled discoloured appearance because its blood vessels are damaged. The thumb is usually not affected. Very severe Cases can result in finger loss. It occurs most commonly in Raynaud’s disease.
Spasm of the blood vessels in the finger resulting in a white appearance. The condition is common in Raynaud’s disease but it can be caused by the long-term use of percussion implements such as mechanical road drills or hammers. It is a recognized industrial disease. Treatment is to remove or treat the underlying cause.