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황정열(Jung Yuel Hwang),김낙인(Nack In Kim),허충림(Choong Rim Haw) 대한피부과학회 1993 대한피부과학회지 Vol.31 No.3
We report a case of pretibial myxedema with hypothyroidism in a 52-year-old woman. She suffered from primary hypothyroidism for a period of 17 years. She was treated with a daily dose of sodium levothyroxine 0.2 mg intermittently. She had erythematous ftesh colored, hard and thickened plaque. on the left pretibial area for onr year. The histopathologic findings showed considerable amount of muci in the upper and mid dermis. Toluidine blue and alcian blue stain demonstrated an extensive deposition of dermal mucin. We treated her with a topical steroid and oral sodium levothyrcxire. (Kor J Dermatol 1993; 31(3): 408-411)
황정열(Jung Yuel Hwang),심우영(Woo Yong Sim),이무형(Mu Hyoung Lee),허충림(Choong Rim Haw) 대한피부과학회 1992 대한피부과학회지 Vol.30 No.5
We present a case of malignant melanoma associated wi h itiligo in the 49 year-old female patient. Skin lesions showed that centrally located dark black nodile surrounded with brownish colored plaque on the upper half and depigmented patch on the lower half on the left upper thigh and depigmented patch on the right forehead. In western countries, patients with melanoma have been obscrved to develop vitiligo or depigmented spots on the skin, while in korea, rarely observed. We reports that malignant melanoma associated with vitiligo. (Kor J Dermatol 1992;30(5):747-751)
黃釘烈,金寬柱 弘益大學校 科學技術硏究所 1994 科學技術硏究論文集 Vol.5 No.-
In order to identify the performance of simple expansion chamber with/without offset and currently using muffler of the 1.51 engine class passenger vehicle(H-muffler). experiments using the two michrophone method were carried out. Transmission loss of silencer with elliptic cross-section type was calculated by Sysnoise, a general purpose acoustic software, and was compared with that of various sizes of circular cross-section type silencers. In this paper, sound pressure level and transmission loss of simple expansion chamber with/without offset and H-muffler were measured.