Perforating granuloma annulare
Encyclopedia
Perforating granuloma annulare is a skin condition of unknown cause, usually appearing on the dorsal hands, presenting as papule
s with a central keratotic core.
Papule
A papule is a circumscribed, solid elevation of skin with no visible fluid, varying in size from a pinhead to 1 cm.With regard to the quote "...varying in size from a pinhead to 1cm," depending on which text is referenced, some authors state the cutoff between a papule and a plaque as 0.5cm,...
s with a central keratotic core.