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양종규,김성욱,백승철,김정원,박석영 ( Jong Kyu Yang,Sung Wook Kim,Seung Churl paik,Chung Won Kim,Suk Young Park ) 대한피부과학회 1997 대한피부과학회지 Vol.35 No.4
Angiocentric T-cell lymphoma is a subtype of peripheral T-cell lymphoma and histologically characterized by angiocentric and angioinvasive infiltration of lymphoid cells with varying degrees of cytological atypia, leading to angiodestruction. This disease represents the malignant end in the histological spectrum of angiocentric immunproliferative lesions. This malignancy is commonly a disease with considerable morbidity and is often fatal. However, primary cutaneous angiocentric T-cell lymphoma has a tendency to give a favorable prognosis. Epstein-Barr virus can be identified in involved tissue by immunostaining or by in situ hybridization and it is considered significant in the prognosis. We report a case of cutaneous angiocentric T-cell lymphoma, where the Epstein-Barr virus was identified within neoplastic cells. CVP(cyclophosphamide, vincristine, prednisone) chemotherapy was instigated and an initial complete remission was achieved. (Kor J Dermatol 1997;35(4): 772-777)
양종규,김종화,서명교,고태규 한국자원리싸이클링학회 1999 資源 리싸이클링 Vol.8 No.1
본 연구에서는 산업폐기물 소각비산재를 2차자원으로 이용하기 위하여 침출법으로 금속의 존재와 그 양을 확인하여 분리·회수에 대한 기초자료를 제시하였다. 소각 비산재의 침출액에서는 다량의 Cu, Pb, Zn과 다양한 유해 중금속이 미량 함유되어 있었으며, 이들 소각재에 함유된 성분의 농도는 소각로에 도입되는 폐기물의 종류에 따라 차이가 있음을 알 수 있었다. 침출제로서 물, 황산, 탄산암모늄의 수산화나트륨을 이용하여 여러단계의 침출조작을 시도하여 하였다. 물 침출에 의하여 구리를, 수산화나트륨의 침출액에 의하여 아연과 납을 분리하고, 3차 침출제인 탄산암모늄의 침출액에 의하여 물에 미용해된 구리를 착이온 형태로 선택적으로 침출할 수 있었다. 각 단계별에 의한 무게 감량율은 물, 황산, 탄산암모늄에 의한 각 단계의 침출에 의하여 77%의 감량을 확인하였으며, 그 외의 각 방법에서는 60%이상의 무게 감량을 나타내었다. In order to utilize incineration fly ash of industrial wastes as resources, we present the recovery and separation of metals included in the fly ash by leaching with aqueous solution A great quantity of Cu, Pb, and Zn as well as a small amount oftoxic heavy metals are contained in the leach liquor of the fly ash, and the concentration of the ingredients of the fly ash depends on the industrial wastes which are fed into incinerators. In this paper, sequential Ieachiog operations are conducted using $H_2O$, $H_2SO_4$, $(NH_4)_2CO_3$ and NaOH as Icachants. Water soluble copper salt was leached by $H_2O$, Zn and Pb were separated by the NaOH leach liquor, and water insoluble copper was selectively leached as chelate ion with the $(NH_4)_2CO_3$ leach liquor of the third Ieaehant. Results show that the reduction percent of the fly ash in the leaching steps using $H_2O$, $H_2SO_4$, and $(NH_4)_2CO_3$ is 77%, and the other leaching procedures lose the weight of fly ash by above 60%.
양종규,김성욱,백승철,김정원,김석영 ( Jong Kyu Yang,Sung Wook Kim,Seung Churl Paik,Chung Won Kim,Suk Young Kim ) 대한피부과학회 1997 대한피부과학회지 Vol.35 No.3
Iatrogenically developed immunosuppression-associated Kaposis sarcoma is the result of immunosuppressive therapy after an organ transplantation, particularly after a renal transplantation. Since the advent of powerful immunosuppressive agents such as cyclosporine, recently the incidence of Kaposis sarcoma has been increased. In addition to immunosuppression, other factors, such as genetic predisposition, environmental and geographic factors, and oncogenic viruses, may play a role in the pathogenesis of this tumor. Ilerein we report a case of Keposis sarcoma with multiple organ involvement of the skin, lung, small intestine and mesenteric lymph node in a renal allograft recipient who received cyclosporine and prednisolone. Reduction of the dosage of immunosuppressant for 1 month resulted in improvement of the cutaneous lesions. (Kor J Dermatol 1997;35(3): 551-555)