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승나르 ( Na Reu Seung ),정석준 ( Suck Joon Jung ),박은주 ( Eun Joo Park ),김철우 ( Chul Woo Kim ),조희진 ( Hee Jin Cho ),김광호 ( Kwang Ho Kim ),김광중 ( Kwang Joong Kim ) 대한피부과학회 2007 대한피부과학회지 Vol.45 No.5
Cutaneous, diffuse, large B-cell lymphoma (DLBCL) is characterized by a diffuse dermal infiltration which is composed of large centroblasts and immunoblasts. It is subdivided into a primary form arising from the skin and a secondary form which is metastasized from the lymph node. Secondary DLBCL has a more aggressive clinical course than the primary form. We report a 39-year-old female patient who presented with a 2 cm sized, erythematous, subcutaneous nodule on her left upper arm. She had been treated for brain-diffuse, large B-cell lymphoma which occurred 5 years before. The histopathologic and immunohistochemical examinations of the skin lesion also showed diffuse, large, B-cell lymphoma. (Korean J Dermatol 2007;45(5):458~461)
정석준 ( Suck Joon Jung ),승나르 ( Na Reu Seung ),서영주 ( Yeong Ju Seo ),박은주 ( Eun Ju Park ),김철우 ( Chul Woo Kim ),조희진 ( Hee Jin Cho ),김광호 ( Kwang Ho Kim ),김광중 ( Kwang Joong Kim ) 대한피부과학회 2007 대한피부과학회지 Vol.45 No.12
Estrogen dermatitis is a rare cutaneous disorder characterized by recurrent cyclic eruptions during the luteal phase of the menstrual cycle. The clinical manifestations include pruritus, urticaria, vesicles, papules and eczematous eruptions. A 22-year-old female patient presented with a skin lesion on the back of 6 years periodic duration. She had been recurrently suffering from pruritic eruptions that appear during the luteal phase of the menstrual cycle and resolve after menses. An intradermal skin test to estrogen showed a positive result, but showed negative results to progesterone. After antiestrogen tamoxifen therapy, the lesions were found to have significantly improved. (Korean J Dermatol 2007;45(12):1291∼1293)
A Case of Benign Cephalic Histiocytosis
Byung Chul Kim,Woo Jin Choi,Na Reu Seung,박은주,Hee Jin Cho,김광호,김광중 대한피부과학회 2011 Annals of Dermatology Vol.23 No.-
Benign cephalic histiocytosis (BCH) is a rare non-Langerhans cell histiocytosis of unknown etiology. Clinically, lesions are characterized by small, red-to-yellow papules distributed mainly on the head, face, neck, and shoulders of infants and children. Histopathological specimens show massive histiocytic infiltration of the superficial dermis. Immunohistochemically,they are positive for CD68, but negative for CD1a and S-100. Two cases have been reported so far in the relevant work published in Korean literature. Herein, we report on an additional case of BCH. (Ann Dermatol 23(S1)S16∼S19, 2011)
Case Reports : A Case of Benign Cephalic Histiocytosis
( Byung Chul Kim ),( Woo Jin Choi ),( Na Reu Seung ),( Eun Joo Park ),( Hee Jin Cho ),( Kwang Ho Kim ),( Kwang Joong Kim ) 대한피부과학회 2011 Annals of Dermatology Vol.23 No.1S
Benign cephalic histiocytosis (BCH) is a rare non-Langerhans cell histiocytosis of unknown etiology. Clinically, lesions are characterized by small, red-to-yellow papules distributed mainly on the head, face, neck, and shoulders of infants and children. Histopathological specimens show massive histiocytic infiltration of the superficial dermis. Immunohistochemically, they are positive for CD68, but negative for CD1a and S-100. Two cases have been reported so far in the relevant work published in Korean literature. Herein, we report on an additional case of BCH. (Ann Dermatol 23(S1) S16~S19, 2011)
정석준 ( Suck Joon Jung ),승나르 ( Na Reu Seung ),서영주 ( Young Ju Seo ),박은주 ( Eun Ju Park ),김철우 ( Chul Woo Kim ),조희진 ( Hee Jin Cho ),김광호 ( Kwang Ho Kim ),김광중 ( Kwang Joong Kim ) 대한피부과학회 2008 대한피부과학회지 Vol.46 No.7
Pilar sheath acanthoma is a rare, benign follicular hamartoma commonly affecting middle-aged and elderly individuals. It is characterized by a small, solitary, skin-colored papule situated on the head and neck, particularly around the upper lip. The lesion shares some features with trichofolliculoma and dilated pore of Winer, so it should be differentiated from these. Cytokeratin (CK) is a useful marker for studying the origin of epithelial tumors. We report a case of pilar sheath acanthoma which originated from outer root sheath using CK. (Korean J Dermatol 2008;46(7):955~957)
강민희 ( Min Hee Kang ),승나르 ( Na Reu Seung ),서영주 ( Young Ju Seo ),박은주 ( Eun Ju Park ),김철우 ( Chul Woo Kim ),조희진 ( Hee Jin Cho ),김광호 ( Kwang Ho Kim ),김광중 ( Kwang Joong Kim ) 대한피부과학회 2007 대한피부과학회지 Vol.45 No.8
Epidermal nevus arises from the pluripotential germinative cells in the basal layer of the embryonic epidermis. Histologically, it has a distinctive feature of hyperkeratosis, papillomatosis and acanthosis with elongation of the rete ridges. Epidermal nevus also has other histological variations. We report a case of a 5-year-old male who presented with pruritic linear brownish scaly papules on the right thigh. The lesion showed histological features of combined epidermolytic hyperkeratosis and porokeratosis type of epidermal nevus. (Korean J Dermatol 2007;45(8):818∼820)