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이종육,박철종,김현진 대한피부과학회 2001 大韓皮膚科學會誌 Vol.39 No.5
Aplasia cutis congenita(ACC) is a rare skin condition in which localized or widespread areas of skin are absent at birth. Clinically, lesions usually appear circular or oval, sharply outlined ulcer, resulting in healing with scarring. The most common site of this condition is scalp, especially on the vertex although other areas of the body may also be involved. Other congenital malformations have been associated with aplasia cutis congenita. Herein we report a 6-year-old male infant with round, well-marginated, smooth surfaced, brownish scar about 2 cm diameter on the vertex of scalp. The lesion was erythematous, crusted ulcer at the time of birth, Histopathologic finding of the lesion showed flattening and thinning of epidermis, fibrosis in the dermis and the absence of adnexal structures except single immature hair follicle.
이종육,박철종,모현진 대한피부과학회 2001 大韓皮膚科學會誌 Vol.39 No.5
Fibrofolliculoma is a rare benign follicular neoplasm histopathologically characterized by central dilated follicular infundibulum surrounded by well-circumscribed, thick mantle of fibrotic tissue, with anastomosing strands of follicular epithelium extending into the stroma, This condition usua11y occurs in multiple and rarely solitarily. Herein we report on a 34-year-old man with a solitary, skin colored, bean sized nodule on his chin which histopathologically shows a typical fibrofolliculoma.