The "How!" sign--a central palmar blister induced by overplaying on a Nintendo console.
Wood
D J
DJ
10 The Woodlands, Chelsfield Park Orpington, Kent BR6 6HL, UK. woodies100@hotmail.com
D001768:Blister / Q000209:etiology* / Q000473:pathology; D002648:Child; D006229:Hand Dermatoses / Q000209:etiology* / Q000473:pathology; D006801:Humans; D008297:Male; D010781:Photography; D010988:Play and Playthings / Q000293:injuries*