A Clinical Study on Lichen Planus / 대한피부과학회지

ABSTRACT

Clinicalstudies on thirty patients with lichen planus seen during the past 9 years from 1968 to 1976 at the Department of Dermatology, Busan National University Hospital were ma,de;particularly, varied clinical types of the disease and significance of histological findings were emphasized. The results obtained were as follows; 1. The incidence of lichen planus was 0.17% patients to total number of dermatologic 2. There were 19 males and 11 females in this series. The age at the first visit varied from 16 years to 71 years, and the pitients between 21 and 50 years occupied 76.7% of all. 3. The most common site of the initial lesion was extremities(66.7%), and flexor surface was rather common than extensor surface. And lesions of trunk, oral mucosa, extemal genitalia were also noticed. 4. The most common clinical type was chronic localized type(11), and hypertrophic type(4), Iichen planus of mucous membrane(4), annular type(4), acute widesprearead type(3), vesicobulIous type(2), linear type(2), follicular type(l) were also noticed. 5. Pruritus developed in 22 patints(73.3%) an@d Koebners phenomenon was noticed only in R cases(10%). 6. Histopathological examination of 25 biopsy specimens showed epidermal changes of hyperkeratosis(24), acanthosis(22), hypergranulosis(21), elongation of rete ridge(8) and liquefaction degeneration of hasal cells(25). Dermal changes include bandlike infiltration of infIammatory cells(24), melanophages in upper dermis(18), colloid or eosinophilic body(9), and dermo-epidermal separation(3).