Linear porokeratosis
Encyclopedia
Linear porokeratosis is characterized clinically by basic skin lesions that are identical to those of classic porokeratosis Mibelli, including lichenoid papule
s, annular lesions, hyperkeratotic plaques with central atrophy, and the characteristic peripheral ridge.
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, annular lesions, hyperkeratotic plaques with central atrophy, and the characteristic peripheral ridge.