Korean J Dermatol.  1982 Jun;20(3):437-441.

A Case of Pityriasis Lichenoide Chronica Associated with Pseudoacanthosis Nigricans

• Kim JK
• Hwang YH
• Kook HI

Abstract

Pityriasis lichenoides chronica is considered to be a benign disease. Erythematous yelIowieh scaly maeulea appear insidiously, chiefly on the sides of trunk, thighs and upper arms. Acanthosis nigricans is a rare cutaneous disorder with peak incidence in puberty characterized by hyperkeratosis and, dark pigmentation. We report a case of pityriasis lichenoides chronica assaciated with pseudoacanthosis nigricans in a 14 year-old obeae male patient who has bean sized erythematoua scaly papules on the trunk and extremities, velvety black brownish colored patchea on the neck and both axillary regions.

MeSH Terms

Acanthosis Nigricans
Adolescent
Arm
Extremities
Humans
Incidence
Male
Neck
Pigmentation
Pityriasis Lichenoides
Pityriasis*
Puberty
Thigh