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남산의 소나무림, 신갈나무림, 아까시나무림의 낙엽생산과 토양유기탄소 동태
정헌모 ( Heon Mo Jeong ),김해란 ( Hae Ran Kim ),신동훈 ( Dong Hoon Shin ),이경미 ( Kyoung Mi Lee ),이승혁 ( Seung Hyuk Lee ),한영섭 ( Young Sub Han ),장래하 ( Rae Ha Jang ),이상경 ( Sang Kyeong Lee ),김태규 ( Tae Kyu Kim ),유영한 한국환경생물학회 2013 환경생물 : 환경생물학회지 Vol.31 No.2
The objective of this study was to estimate dynamics of litter production and soil organic carbon of Pinus densiflora forest, Quercus mongolica forest, and Rhobina pseudo-acasia forest at Mt. Nam as a part of Korea National Long-Term Ecological Research (KNLTER) from 2008 to 2009. Litter production of P. densiflora forest was the highest in October 2008, 2009 and the lowest in January 2008 and December 2009. Litter production of Q. mongolica forest was the highest in November and the lowest in February in 2008 and 2009. Litter production of R. pseudo-acacia forest was the highest in November in 2008 and October in 2009 and the lowest in January in 2008 and December in 2009. It means that leaves of P. densiflora forest shed earlier than deciduous oak forests in Korean central region. An average of litter production for 2 years was 7.07, 6.36, 4.66 ton ha-1 in P. densiflora forest, Q. mongolica forest, R. psuedo-acacia forest, respectively. An average of soil organic carbon matter for 2 years was 88.3, 76.5, 84.2 ton ha-1 in P. densiflora forest, Q. mongolica forest, R. psuedo-acacia forest, respectively.
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악성 섬유성 및 섬유조직구성 종양에 대한 임상적 고찰 -대한피부과학회 피부암 연구분과위원회 공동연구-
박병철 ( Byung Cheol Park ),김문범 ( Moon Bum Kim ),김일환 ( Il Hwan Kim ),신동훈 ( Dong Heon Shin ),윤숙정 ( Sook Jung Yun ),이미우 ( Mi Woo Lee ),이민걸 ( Min Geol Lee ),이석종 ( Seok Jong Lee ),조광현 ( Kwang Hyun Cho ),허창훈 대한피부과학회 2009 대한피부과학회지 Vol.47 No.2
Background: Malignant fibrous/fibrohistiocytic tumors are uncommon soft tissue tumors which gives dermatologists special attention on differential diagnosis. However, there has not yet been a multicenter study on these tumors in Korea. Objective: The aim of this study was to investigate the epidemiology and clinical features of malignant fibrous/fiborhistiocytic tumors. Methods: A total of 62 patients from 11 training hospitals who had been confirmed with malignant fibrous/fibrohistiocytic tumor were studied. A retrospective analysis of hospital records served as the data source for this study. Results: Among patients with malignant fibrous/fibrohistiocytic tumors, the most common tumor type was dermatofibrosarcoma protuberance followed by malignant fibrohistiocytic. The male to female ratio among subjects was 1.38 to 1 and the mean age was 44 years old. Of the common complaints recorded, asymptomatic mass was the most frequent. The mean size of the subjects` tumors was 2.9 cm in the long axis and 2.3 cm in the short axis with a mean tumor thickness of 2.1 mm. The most common site for tumors was the back followed by the thigh. The recurrence rate after primary treatment was 14.5% and metastasis developed in 5 of 62 patients. Conclusion: This study is expected to be helpful for understanding the clinical and pathological characteristics of malignant fibrous/fibrohistiocytic tumors. (Korean J Dermatol 2009;47(2):180∼185)
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김용환,김홍직,정정원,신동훈 대한피부과학회 1982 大韓皮膚科學會誌 Vol.20 No.5
Herpes Gestationis is a rare polymorphous, vesiculobullous disease of pregnancy and puerperium. It is characterized by rapidly progressive skin eruption heraled initially by severe generalized pruritus. Erythematous papules and urticaria like plaques rapidly appear followed by grouped, tense, vesiculobullous eruptions. A 23 year-old pregnant woman was admitted to our departrnent of dermatology hecause of erythematous patches with pruritic vesiculobullous and pustular eruption on the whole body since third week of conception. Biopsy specimen of bullous skin lesion showed spongiosis of epidermal cells, mild necrosis of basal cells, subepidermal bulla, edema, of papillary derrnis and perivascular infiltration of inflammatory cells. Ultrastructural findings showed mild necrosis of basal cells, bulla above or below basement membrane zone and partial separation of basal lamina. Direct immunofluorescences of bullous lesion and normal appearing skin demonstrated deposition of IgG in linear pattern along basement membrane zone. After treatment with systemic corticosteroid and antihistamin, the lesions were cleared, leaving residual hyperpigmentation, and she delivered normal female baby.
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