Case of Pityriasis Rubra Pilaris With Lesions of Buccal Mucosa

Pityriasis rubra pilaris

“…Onycholysis, nail pitting, and “oil drop” findings are less common than in psoriasis 31 . Rarely, oral mucous membrane changes occur, including diffuse hyperkeratosis 33 , 34 or macular erythema with white streaks, resembling lichen planus 34 …”

Original article Pityriasis rubra pilaris-an historical approach. 2 CLINICAL FEATURES

“…The changes consist of a diffuse whitish ground-glass appearance, white spots and lines, pale blue lines and erythematous lesions covered with white streaks. The buccal mucosa, gingivae and tongue may be affected (Lukasiewicz, 1896;Heiman, 1916;Fischl, 1921;Jordan, 1923;Edel, 1927;Marshall, 1952;Baden, 1968). Ochs (1913) and Kerl (1913) described penile lesions.…”