Porokeratosis plantaris discreta
Encyclopedia
Porokeratosis plantaris discreta is a skin condition that occurs in adults, with a 4:1 female preponderance, characterized by a sharply marginated, rubbery, wide-based papule
.
It is also known as "Steinberg's lesion".
It was characterized in 1970.
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,...
.
It is also known as "Steinberg's lesion".
It was characterized in 1970.