What is the cause of these discoloured digits?

Raynaud’s or a different reaction?

You could be forgiven for pointing the finger at Raynaud’s phenomenon as the cause of this patient’s patchy palm and digits, but the discolouration is actually down to a side effect of a steroid injection.

Hand
The New England Journal of Medicine ©2021.

As it happens, the redness is the affected area in this case, as opposed to the characteristic white distal extremities of Raynaud’s.

The 43-year-old

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