Korean J Dermatol.  1977 Dec;15(4):477-481.

A Case of Pityriasis Lichenoides er Varioliformis Acuta

• Kim HO
• Houh W

Abstract

Pityriasis lichenoids et varioliformis acuta(Mucha-Habermann disease) is a distinctive eruption of unknown cause. A case of pityriasis lichenoides et varioliformis acuta, 24-year old male, was seen at dermatology department, St. Mary's hospital, Catholic Medical College. The eruption was ;olymorphic, consisting of pink papules, Some of the papules had a fine brown scale, while others became hemorrhagic and vesicular, leading to varioliform scarring on tumk and extremities except palms and soles without subjective symptoms. Histopathological geatures were hyperkeratosis, parakeratosis focal obliteration of the dermoepidermal junction by lymphocytes extending from the dermal papillac and invading the lower dermis, heaby perivascular lymphocytic infiltration diaperdesis of red blood cells into the corium and opidermis, and necrotic crust. The lesion was completely cleared with 10 mg of methotrexate by mouth twic a week for 4 weeks.

MeSH Terms

Cicatrix
Dermatology
Dermis
Erythrocytes
Extremities
Humans
Lymphocytes
Male
Methotrexate
Mouth
Parakeratosis
Pityriasis Lichenoides*
Pityriasis*
Young Adult
Methotrexate