The term Osler's node is sometimes used in this context.

Osler's nodes are painful, red, raised lesions found on the hands and feet.

Osler's nodes result from the deposition of immune complexes.

Osler's nodes can indicate this condition.

The latter, which also occur on the palms and soles, can be differentiated from Osler's nodes because they are nontender.

Osler's nodes are raised tender nodules on the pulps of fingertips or toes, an autoimmune vasculitis that is suggestive of subacute bacterial endocarditis.

Osler's nodes and Janeway lesions are similar, but Osler's nodes present with tenderness and are of immunologic origin.

At Johns Hopkins Hospital alone, they've coined Osler's nodes, Whipple's disease, the Blalock-Taussig operation, the Welch bacillus and the Gott shunt It's nice that all these dedicated types get their recognition, but a countertrend has developed: naming newfound diseases by place.