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한국인 안드로겐 탈모증 환자에서 안드로겐 수용체의 CAG 반복 다형성에 관한 연구 -Preliminary Report-
정진걸 ( Jin Geol Jung ),박종욱 ( Jong Wook Park ),김명화 ( Myung Hwa Kim ),신용우 ( Yong Woo Cinn ) 대한피부과학회 2009 대한피부과학회지 Vol.47 No.7
Background: The androgen receptor (AR) is a conserved member of the nuclear receptor superfamily. Differences in the AR gene sequence are characterized mostly by a highly polymorphic trinucleotide repeat (CAG) encoding a polyglutamine stretch in the N-terminal domain. The transactivational activity of the AR might be inversely associated with the numbers of this CAG repeat chain, and the smaller numbers of CAG repeats are believed to be associated with androgenetic alopecia? (AGA). Objective: The purpose of this study was to investigate a possible etiologic association between Korean AGA and CAG repeat numbers in the AR gene. Methods: We compared CAG repeat numbers within the AR gene of 64 male Korean AGA patients with those of 40 normal male controls. Results: There was no significant difference in the number of CAG repeats between the Korean AGA patients and controls. There were no robust or significant correlations between (i) CAG repeat numbers and (ii) age of onset or severity of AGA in Korean AGA patients. Conclusion: This study suggests that AR receptor CAG polymorphisms in the Korean male population might not have a major role in susceptibility to AGA expression. (Korean J Dermatol 2009;47(7):772~776)
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)
박종욱 ( Jong Wook Park ),정경은 ( Kyung Eun Jung ),진원우 ( Won Woo Jin ),정진걸 ( Jin Geol Jung ),노기웅 ( Ki Woong Ro ),김명화 ( Myung Hwa Kim ),신용우 ( Yong Woo Cinn ) 대한피부과학회 2007 대한피부과학회지 Vol.45 No.10
Argyria is a rare skin discoloration caused by silver deposition. We report a case of generalized argyria caused by ingestion of silver solution in a 63-year-old man. He had diffuse slate gray discoloration of sun-exposed skin, prominent face, neck and V of the chest. The histopathologic findings showed brown black granules deposited in the basement membrane zone of eccrine glands, pilosebaceous units, arteriolar wall and dermal elastic fibers. (Korean J Dermatol 2007;45(10):1087∼1089)
White Fibrous Papulosis of the Neck
박종욱 ( Jong Wook Park ),정경은 ( Kyung Eun Jung ),진원우 ( Won Woo Jin ),정진걸 ( Jin Geol Jung ),노기웅 ( Ki Woong Ro ),김명화 ( Myung Hwa Kim ),신용우 ( Yong Woo Cinn ) 대한피부과학회 2008 대한피부과학회지 Vol.46 No.2
White fibrous papulosis of the neck is a rare disorder, characterized by asymptomatic white papules that appear around neck in elderly people. The histopathologic findings showed thickened collagen bundles in the papillary to mid dermis. We report a case of white fibrous papulosis of the neck in a 53-year-old man. (Korean J Dermatol 2008;46(2):231∼233)