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진원우 ( Won Woo Jin ),박종욱 ( Jong Wook Park ),정진걸 ( Jin Geol Jung ),노기웅 ( Ki Woong Ro ),심상대 ( Sang Dai Shim ),김명화 ( Myung Hwa Kim ),신용우 ( Yong Woo Cinn ) 대한피부과학회 2007 대한피부과학회지 Vol.45 No.7
Sebaceous hyperplasia is not a rare disorder and commonly develops on the face over the age of forty. The typical clinical manifestation is 2~3 mm sized, single or multiple, soft, protuberant, yellowish nodules with central umbilication. Histological examination reveals a group of mature sebaceous lobules and central sebaceous ducts. We describe an unusual case of a 28-year old female patient with grouped premature sebaceous hyperplasia. The lesions presented clinically as grouped, yellowish, umbilicated papules on the left cheek, and had developed at 10 years of age. (Korean J Dermatol 2007;45(7):732∼734)
진원우 ( Won Woo Jin ),정지민 ( Ji Min Chung ),정경은 ( Kyoung Eun Jung ),박종욱 ( Jong Wook Park ),김명화 ( Myung Hwa Kim ),신용우 ( Yong Woo Cinn ) 대한피부과학회 2009 大韓皮膚科學會誌 Vol.47 No.1
Clear cell hidradenoma (CCH) is a relatively rare benign tumor that shows differentiation toward the structure of an eccrine sweat gland. The tumor masses are composed of solid areas and tubular lamina. Cystic spaces are often present and on rare occasions they can be of considerable size. The cystic variant of CCH is referred as solid cystic hidradenoma. We present a case of cystic clear cell hidradenoma that occurred on the abdomen in a 42-year-old man. The tumor contained a solid tumor of CCH encircled by a large cystic space, and the cystic space was lined by two to four layers of epithelium. (Korean J Dermatol 2009;47(1):118~120)
박향준(Hyang Joon Park),신용우(Yong Woo Cinn) 대한피부과학회 1986 대한피부과학회지 Vol.24 No.2
Piroxicam is a new nonsteroidal anti-inflammatory drug(NSAID) and widely used in the management of rheumatoid arthritis and osteaorthritis. We experienced. two cases of photosensitive dermatitis developed while taking piroxicam. Both had pruritic and eczematous skin lesions on sun-exposed areas and showed positive reactions to 0. 1 % piroxicam solution in photopatch test in contrast with control group, which suggest a photoallergy mechanism. To our knowledge, these are the first reported cases in the Korean literature.
박향준(Hyang Joon Park),신용우(Yong Woo Cinn),김수남(Soo Nam Kim) 대한피부과학회 1986 대한피부과학회지 Vol.24 No.1
An immunohistochemical and electron microscopic study of an atypical fibroxanthoma of the skin (AFX) was reported. The lesion developed on the left scapulararea in a 70-year-old man. The result using antibody to S-100 protein was negative and the tumor cells observed with electron microscope were undifferentiated, fibroblast-like, histiocyte-like and multinucleated giant cells. But Langerhans-like cells or Langerhans were not found.
박향준(Hyang Joon Park),신용우(Yong Woo Cinn) 대한피부과학회 1986 대한피부과학회지 Vol.24 No.1
Malignant schwannoma is a malignant neoplasm of nerve sheath origin. It develops in an unaltered nerve or in a neurofibroma, and rarely, if ever, within a neurilernmoma. We experienced a malignant schwannoma in a 75-year-old man without von Recklinghausen's syndrome. The lesion was solitary and polypoid, fungating nodule in the posterior portion of the left thigh, The tumor cells had some features of Schwann cells and positively stained to S-100 protein and neuron-specific enolase. Complete excision was performed but the associated nerve could not be demonstrable.
박현철(Hyun Chul Park),신용우(Yong Woo Cinn),박향준(Hyang Joon Park) 대한피부과학회 1987 대한피부과학회지 Vol.25 No.3
We report herein a case of bullous pemphigoid(BP) associated with Graves' disease(GD) The patient was 43-year-old female who had suffered frorn GD for 8 years. She had annular, erythematous atrophic plaques with a margin of small vesicles on the frontal and temporal areas, Histopathologic findings of the skin lesion showed subepiderrnal bulla, and numerous eosinophilic infiltrate in the bulla cavity and dermis. Direct immunofluorescent study of perilesional skin revealed linear IgG deposition at the dermo epidermal junction. We think our case shows a higher than chance association of BP and GD because both are basecl on autoimmune mechanism.
김홍식,김유찬,박향준,신용우 ( Hong Sik Kim,Yoo Chan Kim,Hyang Joon Park,Yong Woo Cinn ) 대한피부과학회 1997 대한피부과학회지 Vol.35 No.6
Sarcoidosis is a multisystemie disease of unknown cause eharacterized by the formation of noncaseating granulomas that n,ay involve any organ, but the most common sites are the lungs, lyrnph nodes, skin, and eyes. We report a case of sarc( idosis which may be caused by a foreign body reaction. A 49-year-old women was presented with violet colored, scaly papules on t.he back and subcutaneous nodules on the left index finger, which had been present for 6 months. A biopsy of a nodule on the left index finger reveal .d noncaseating epithelioid cell granuloma throughout the dermis with foreign body in the center of the granuloma. Under the polarized light microscopy, tiny particles of foreign material were more obvious. We think that foreign material may actually serve as a nidus for granuloma format.ion in sarcoidosis. (Korean J Dermatol 1997;35(6): 1254-1257)