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이마의 Blaschko 선을 따라 발생한 경화 위축성 태선
조민결 ( Mingyul Jo ),박은정 ( Eunjung Park ),유지숙 ( Jisook Yoo ),이미지 ( Mi-ji Lee ),김민수 ( Min-soo Kim ),최광현 ( Kwang-hyun Choi ),주민숙 ( Mihn-sook Jue ) 대한피부과학회 2018 大韓皮膚科學會誌 Vol.56 No.8
Lichen sclerosus et atrophicus (LSA) is a chronic inflammatory dermatosis presenting as white papules and atrophic patches in the anogenital region. Extragenital LSA is rare and commonly affects the neck, thighs, and the trunk. A 68-year-old woman presented with a well-demarcated, whitish linear plaque on the forehead that was observed several months prior to presentation. A biopsy specimen showed hyperkeratosis and thinning of the epidermis and homogenization of collagen in the papillary dermis with a subepidermal cleft. Mild periappendageal lymphocytic infiltration and eccrine gland atrophy secondary to thickening of collagen bundles were observed in the deep dermis. Based on the clinical and histopathological findings, this patient was diagnosed with extragenital LSA and concomitant morphea along the Blaschko’s lines. (Korean J Dermatol 2018;56(8):485∼488)
구태한 ( Taehan Koo ),백가연 ( Gayun Baek ),박은정 ( Eunjung Park ),조민결 ( Mingyul Jo ),박지호 ( Ji-ho Park ),김민수 ( Min Soo Kim ),주민숙 ( Mihn-sook Jue ) 대한피부과학회 2020 大韓皮膚科學會誌 Vol.58 No.7
Fibrofolliculoma is a benign perifollicular connective tissue tumor that usually occurs in the face. Most fibrofolliculoma present as multiple lesions and typically occur with trichodiscomas and acrochordons, constituting the Birt-Hogg-Dube syndrome. Solitary fibrofolliculoma is nonhereditary and unassociated with other cutaneous abnormalities. A 72-year-old man visited our clinic complaining of a solitary umbilicated nodule on the antitragus of the left ear. Skin biopsy from the lesion showed a central dilated follicular infundibulum with anastomosing bands of follicular epithelium extending into the fibrous stroma. The diagnosis of a solitary fibrofolliculoma was made based on the clinical and histopathological findings. No signs of lesion recurrence for 1 year after shave removal were noted. We report a rare case of solitary fibrofolliculoma that occurred on the antitragus of the ear. (Korean J Dermatol 2020;58(7):472∼475)