Some athletes may experience a blackening over their palms.

Athlete at risk:

(1) tennis or racquetball player

(2) weightlifter

(3) gymnast

(4) golfer

(5) any other sport using a tight grip


The key clinical finding consists of numerous petechiae over pressure points of the palm used for grip.


It may be unilateral or bilateral.


Differential diagnosis:

(1) discoloration from gloves or equipment surface

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