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홍진경,박영민,조상현,조백기,박찬금 ( Jin Kyung Hong,Young Min Park,Sang Hyun Cho,Baik Kee Cho,Chan Kum Park ) 대한피부과학회 1997 대한피부과학회지 Vol.35 No.4
Inverted follicular keratosis is a benign epithelial tumor occurring most frequently on the face or scalp of older persons as a firm, skin-colored papule. It may rarely occur from a pre-existing nevus sebaceus as a secondary tumor. Herein we report a case of inverted follicular keratosis arising from a pre-existing nevus sebaceus in a 47-year-old male. He presented with a keratotic erythematous dome-shaped tumor which suddenly developed from a pre-existing yellowish papillomatous plaque on his scalp. Histopathological findings of the secondary lesion revealed a proliferating epithelial tumor with numous squamous eddies in the center, consistent with inverted follicular keratosis. (Kor J Dermatol 1997;35(4): 798-801)
Melamine - formaldehyde resin에 의한 직업성 알레르기성 접촉피부염
홍진경,박철종,김형옥,김정원 ( Jin Kyung Hong,Chul Jong Park,Hyung Ok Kim,Chung Won Kim ) 대한피부과학회 1997 대한피부과학회지 Vol.35 No.2
Melamine-formaldehyde resin is widely used in manufactur ing plastics, tableware, t,extile and paper finishing, laminates, electrical insulations, and adhesives throughout the world, Allergic contact dermatitis to this resin has rarely been reported worldwide and has not been reported in Korean literature. We report a case of occupational allergic contact dermatitis to melamine-formaldehyde resin in a 38-year-old man. He had been working for a month in a textile factory when pruritic multiple erythematous patches and placjues developed on the face, both forearms and dorsa of the hands. In the factory melamine-forrnldehyde resin was used for crease resistant finishing. A Patch test revealed a positive reaction to rnelamine-formaldehyde resin. (Kor J Dermatol 1997;35(2): 369-373)
홍진경 ( Jin Kyung Hong ),이동원 ( Dong Won Lee ),이정덕 ( Jeong Deok Lee ),조백기 ( Baik Kee Cho ) 대한피부과학회 1998 대한피부과학회지 Vol.36 No.2
Localized scleroderma is a connective-tissue disorder that is limited to the skin and subcutaneous tissue, sometimes involving muscles beneath the cutaneous lesions. Although it is usually a self-limiting disease, complications like growth failure, joint contractures, deformities and functional impairment may occur resulting in significant morbidity. Herein we report a 9-year-old girl who presented with hemiatrophy as a major clinical feature associated with widespread multiple hyperpigmented sclerotic plaques. The patient proved to be a relatively rare case of hemiatrophy secondary to extensive generalized morphea also having complicating features of joint contracture and growth failure of involved extremities. (Korean J Dermatol 1998;36(2): 295-299)
상구순 점막부에 발생된 균열성 극세포종 ( Acanthoma Fissuratum )
박영민,홍진경,조상현,조백기 ( Young Min Park,Jin Kyung Hong,Sang Hyun Cho,Baik Kee Cho ) 대한피부과학회 1997 대한피부과학회지 Vol.35 No.1
Acanthoma fissuratum is a localized thickening of the skin in response to pressure by an eyeglass frame and usually occurs on the retroauricular fold, superior auricular crease, or bridge of the nose. The definitive diagnosis can be confirmed by characteristic clinical and histopathological features in association with anamnestic data. Herein we report a case of acanthoma fissuratum developing on an unusual site-the mucosa of the upper lip and it was successfully treated with simple excision. (Kor J Dermatol 1997;35(1): 179-181)
정미향(Mi Hyang Jung),홍진경(Jin Kyung Hong),이 철 대한통증학회 1996 The Korean Journal of Pain Vol.9 No.2
Total spinal block is use4 as. final choice for chronic intractable pain which doesn't respond to other treatments. A 35 years old male patient was admitted, to pain clinic due to severe cramping and throbbing pain of whole body; especially left lateral side since 1980. The result of cervical and lumbar epidnral block was not good enough, so we decided to try total spinal block. At first, C7-Tl interspace was punctured and 2% mepivacaine 20ml was injected, but the result was not satisfied. Next day, L3-4 interspace was punc- tured and 1.5 % mepivacaine 40 ml was injected. The sensory block level was C6 and pain score on Visual Analog Scale, was changed from 9 to 4. In both trials, actually even though they were not complete total spinal block, the effect was good enough. If complete total spinal block had been accomplished, better result might be obtained in this chronic intractable pain.
김재경 ( Jae Gyeong Kim ),허정민 ( Jeong Min Heo ),조흠 ( Xin Zhao ),홍진경 ( Jin-kyung Hong ),조은혜 ( Eun Hea Jho ) 한국환경농학회 2023 한국환경농학회지 Vol.42 No.4
본 연구에서는 볏짚과 토마토와 같은 농업부산물이 우분의 혐기성 소화를 통한 메탄 생성에 미치는 영향을 알아보기 위해 각 기질을 단독 소화한 것과 혼합 소화한 것을 비교하였다. 우분의 경우 토마토와 병합 소화했을 때 우분 단독 소화 시보다 메탄 생성량이 증가하였고, 혼합 기질 내 토마토 함량이 중요한 역할을 하였다. 본 연구를 통해 농업부산물을 활용한 분뇨의 바이오가스화 향상 가능성을 확인하였다. Large amounts of organic wastes generated in agricultural environments such as crop residues and livestock manure adversely affect the environment. Anaerobic digestion can reduce the amount of organic wastes and convert them into energy at the same time. Efforts are being made to further increase the energy conversion efficiency by using co-anaerobic digestion using two or more substrates. Tomatoes, rice straw, cattle manure, and cattle feces (CF) were used as substrates for anaerobic digestion. Each substrate was subjected to anaerobic digestion and the cumulative biochemical methane production potential was measured, and the biodegradability was calculated. Based on the methane production, CF and tomato were further used for co-anaerobic digestion at different mixing ratios. Among the CF:tomato ratios of 1:1, 1:2, and 2:1, 1:2 produced the most methane and the synergy index was greater 1 indicating that the co-digestion of CF and tomato improved the methane production. Overall, the results showed that the methane production from cattle manure can be improved using tomato residues.
야생쥐의 피부사상균 및 각질친화성 진균의 보균실태에 관한 연구
홍진경,이준영,조백기,김신옥,김상재,전재복 대한의진균학회 1998 대한의진균학회지 Vol.3 No.2
Background: Animals with zoophilic dermatophytes are important sources of dermatophytoses in man, because zoophilic dermatophytes are frequently transmitted directly or indirectly from domestic and wild animals. Trichophyton(T.) mentagrophytes has a wide range of hosts. Among these, rodents are well-known reservoirs in many other countries. In our country a few sporadic reports of incidence in experimental rats have been reported, but there is no study on the incidence in wild rodents in Korea. Objective: The purpose of this study is to investigate the role of wild rodents as a host of dermatophytes and keratinophilic fungi in Korea. Methods: Forty-nine wild rodents (Apodumus(A.) agrarius; 44, Crocidura spp.; 5) were captured from 6 different regions of Kyungi-do with Sherman fraps. Fungi were isolated by using the MacKenzie's brush technique. Results: 1. Isolation rate of dermatophytes from wild rodents in Korea was 16.3%. 2. T. mentagrophytes was isolated from six A. agrarius (12.2%). Isolation rates from dorsum hairs, ventral hairs and feet were 4.5%, 9.1% and 9.1% respectively. 3. Other dermatophytes and related keratinophilic fungi isolated were Chrysosporium spp. (65.3%), Scopulariopsis spp. (10.2%) and T. terrestre (4.1%). 4. Chrysosporium spp. was the most frequently isolated species from four out of six Kyonggi-do regions ranging 58.3%~83.3%. Scopulariopsis spp. was isolated the most in Kumgwang-myun Ansung-gun, and T. terrestre in Kimpo-gun. Conclusion: These results that wild rodents, especially A. agrarius, may be the important reservoirs of T. mentagrophytes and other keratinophilic fungi in Korea.