Primary localized amyloidosis has been called Lichen Amyloidosis. It is a very rare cutaneous disorder in Korea. Case 1: A 55 year old man had a large number of lichenoid firm eruption of 16 years duration on the lower legs. He complained of severe itching. Histologic examination showed amylaid masses in the papillary bodies 'in special staining. Case 2: A man aged 44, had a pruritic verrucous eruption on the lower legs. The lesions extended with severe itching to entire tibial aspect. Histologically, amyloid masses in the upper dermis showed metachromasia with methyl violet and crysta] violet, and PAS staining was positive. Two cases of Lichen Amyloidosis are reported with clinical and histoIogical characteristics
Amyloid ; Amyloidosis* ; Dermis ; Gentian Violet ; Humans ; Korea ; Leg ; Lichens* ; Middle Aged ; Pruritus ; Viola

Nevus comedonicus is a rare skin abnormality characterized by a unilateral and usually linear distribution of groups of comedones, Histologically, local epidermal invagination and keratin material plugging in invaginated pouch and immatured hair follicles on lower part of the pouch were seen. Two cases are reported at first in the Korean literature. Case 1: A 24 year old man has had black colored comedolike skin lesions on left cheek with 16 years duration without any subjective symptoms. Case 2: A 19 year old girl has had multiple comedolike lesions on right buttock with 2 years duration, acompanied by recurrent suppuration and moderate itching. Our 2 cases, all are typical Nevus Comedonicus Unilateralis case in clinically and histopathologically. Treatment with local application of steroid cream and dermoabrasion resulted good effect, but essentially there is no need to treat untill complication deveoped.
Buttocks ; Cheek ; Female ; Hair Follicle ; Humans ; Nevus* ; Pruritus ; Skin ; Skin Abnormalities ; Suppuration ; Young Adult