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포상연부육종의 세침흡인 세포학적 소견 - 1예 보고 -
한혜승,박인서,한지영,김준미,김영배,황태숙,주영채,Han, Hye-Seung,Park, In-Seo,Han, Jee-Young,Kim, Joon-Mee,Kim, Young-Bae,Hwang, Tae-Sook,Chu, Young-Chae 대한세포병리학회 2000 대한세포병리학회지 Vol.11 No.2
Alveolar soft part sarcoma is a rare soft tissue tumor. Few cases on fine needle aspiration cytology have been reported in the literature. We experienced a case of recurrent alveolar soft part sarcoma of the right thigh diagnosed by fine needle aspiration cytology in a 47-year-old man. Cytologic findings showed single cells and clusters associated with thin wailed vasculature in a distinct pseudo-alveolar pattern. The tumor cells exhibited round or ovoid abundant granular cytoplasm and large pleomorphic nuclei with prominent central nucleoli.
대장 종양에서의 Sonic Hedgehog 단백의 발현
한혜승 ( Hye Seung Han ),이선영 ( Sun Young Lee ),성무경 ( Moo Kyung Seong ),김정환 ( Jeong Hwan Kim ),성인경 ( In Kyung Sung ),박형석 ( Hyung Seok Park ),진춘조 ( Choon Jo Jin ),황태숙 ( Tae Sook Hwang ) 대한장연구학회 2008 Intestinal Research Vol.6 No.1
Background/Aims: Dysregulation of the hedgehog pathway has been implicated in regeneration and carcinogenesis, leading to the expression of the sonic hedgehog (Shh) protein in gastrointestinal neoplasms. The expression of Shh in colon neoplasms and paired normal colonic mucosa was therefore investigated. Methods: Forty-four colon cancers and 73 colon adenomas that were removed by surgical colectomy or colon polypectomy between August 2005 and August 2006 were included. Colorectal neoplasms and the adjacent normal colon tissue were examined by immunohistochemistry using rabbit polyclonal Shh antibody. Results: Expression of Shh was up-regulated in adenomas and adenocarcinomas of the colon compared to normal colon tissues (p<0.001). The degree of Shh expression was not associated with the size, shape, or, location of the tumor, or as the age and gender of the patient. In normal colonic epithelium, Shh was expressed at the apex of the crypts and in a few basally-located cells. Conclusions: Higher levels of Shh expression in colonic adenoma and adenocarcinoma suggest that Shh is required during epithelial proliferation in the colon. Hedgehog signaling is likely to be associated with early tumorigenesis in colonic neoplasms. (Intest Res 2008;6:19-24)
한혜승 ( Hye Seung Han ),이주경 ( Joo Kyeong Lee ) 현대영어교육학회 2008 현대영어교육 Vol.9 No.3
This paper attempts to investigate the phrasing patterns in Korean speakers` production of English that-clauses For this, the patterns of Koreans were compared with those of English native speakers through the acoustic experiment. The tonal phrasing patterns of two different that-complement clauses and that-relative clauses were examined in terms of the phrase accents and boundary tones. Two kinds of that clauses which are complement and relative clauses, are used in three forms such as that-retention, that-deletion, and adverb insertion before that. Both advanced learners and beginners of English participated in the experiment. In the case of the advanced, their phrasing patterns are similar to those of native speakers in that they distinguish complement clauses from relative ones with making no phrase after that in the relative clauses. However, advanced learners` frequency of phrasing was comparatively low, which can be interpreted as stating that they focus more on reading English sentences than comprehension. In the case of beginners, their local phrasing in the relative clauses was considerably different from native speakers` such that they frequently put phrase boundaries after that. Also, at the level of global phrasing, they produce comparatively more phrases over a whole sentence.
한혜승 ( Seung Han Hye ) 대한내과학회 2014 대한내과학회지 Vol.87 No.3
Pancreatic cystic lesions are being recognized with increasing frequency due to the development of imaging technologies. Pancreatic cystic lesions can be divided into neoplasms and non-neoplasms, and neoplasms can be further categorized as epithelial and non-epithelial tumors depending on the cells of origin. A significant percentage of pancreatic cystic neoplasms have malignant potential and surgical resection is mandatory. To make the proper decision regarding the management of pancreatic cystic neoplasms, it is important to understand the clinicopathologic features of these tumors. (Korean J Med 2014;87:270-278)
조직 미세배열법을 이용한 비소세포 폐암 조직에서 에스트로겐과 프로게스테론 수용체 발현
한혜승 ( Hye Seung Han ),김민지 ( Min Ji Kim ),조재화 ( Jae Hwa Cho ),윤용한 ( Yong Han Yoon ),곽승민 ( Seung Min Kwak ),이홍렬 ( Hong Lyeol Lee ),김광호 ( Kwang Ho Kim ),류정선 ( Jeong Seon Ryu ) 대한결핵 및 호흡기학회 2005 Tuberculosis and Respiratory Diseases Vol.58 No.1
연구 배경 : 비소세포 폐암의 암화 과정에서 에스트로겐과 프로제스테론 단백의 역할에 대한 면역조직화학 염색을 이용한 연구들이 진행 중이다. 그러나 이 연구들은 아직 일치된 결과를 보이고 있지 않으며 이는 상용하는 면역조직화학 염색법이 한 문제로 제시되고 있다. 저자 들은 최근 새로 개발된 조직미세배열법을 이용하여 비소세포 폐암 환자의 조직에서 이들 호르몬 수용체 발현을 연구하였다. 대상 및 방법 : 대상은 70예의 비소세포 폐암 환자로 남성이 74%, Background : To evaluate the role of estrogen and progesterone in the carcinogenesis of NSCLC, IHC studies for the expression of the receptors of estrogen and progesterone have been performed with inconsistent results. Recently the TMA method has been dev
흰쥐의 기관 내 Bleomycin 투여로 유발된 폐간질 섬유증의 형태학적 변화와 Surfactant Protein (SP)-A, SP-D 수치에 관계에 대한 연구
박형근 ( Hyung Geun Park ),이정희 ( Jeong Hee Lee ),김승연 ( Seung Yeoun Kim ),오명호 ( Myung Ho Oh ),한혜승 ( Hye Seung Han ),한혜승 ( Hye Seung Han ),김민희 ( Min Hee Kim ) 대한주산의학회 2006 大韓周産醫學會雜誌 Vol.17 No.3
목적: Surfactant Protein (SP)-A와 SP-D는 숙주 방어 기전과 표면 장력 감소에 관여한다. 이에 저자는 블레오마이신으로 유도된 폐 손상 후 예상되는 폐 표면 활성제 기능 부전과 SP-A와 SP-D수치를 알아보고자 본 연구를 시행하였다. 방법: 250 g인 성인 수컷 Sprague-Daw ley 흰쥐 15마리를 실험군(Bleomycin 투여군, n=9)과 대조군(n=6)으로 나누어서, 실험군에게는 기관내로 블레오마이신을 투여하였다. 표준화된 우리에서 25℃의 온도에서 5주간 키운 후 폐 조직을 관찰하고, SP-A와 SP-D 수치는 Western blot assay결과를 densitometry로 측정하였다. 결과: 평균 체중은 실험군이 286.69±14.54 g이었고 대조군은 286.44±09.50 g이었으며, 5주 후평균 체중은 실험군이 347.31±60.53 g이었고 대조군은 352.71±16.84 g 이었으나 통계학적으로 유의한 차이는 없었다. 광학현미경 소견에서 대조군은 정상 소견을 보였으며 실험군에서는 폐 간질이 넓어지면서 섬유성 변화를 보이며 염증세포의 침윤이 대조군보다 현저하였다. SP-A 수치는 실험군 15.34±1.52 ODU/?g, 대조군 7.70±2.81 ODU/?g이었으며 SP-D 수치는 실험군 3.53±1.46ODU/?g, 대조군 7.51±2.33 ODU/?g로 통계학적으로 유의한 차이가 있었다( p<0.05). 결론: 흰쥐의 기관 내 Bleomycin 투여로 유발된 폐 간질 섬유증의 형태학적 변화는 폐간질의 만성염증 세포의 침윤, 섬유아세포의 증식, 교원질의 침착으로 나타났으며 SP-D 수치는 저하되었다. SP-A 수치의 증가는 더 많은 실험을 통한 연구가 필요할 것으로 사료된다. Objective: Surfactant protein (SP)-A and SP-D are involved in host defense mechanism. The author was prompted to perform a study on morphologic change and SP-A, SP-D level of surfactant after pulmonary injury inflicted by intratracheal bleomycin injection. Methods: Fifteen white adult rats each weighing 250 g (Sprague-Daw ley) were divided into study (receiving bleomycin, n=9) and control groups (n=6). Study group were given a intratracheal injection of belomycin (5 mg/kg). Two groups were grown for five weeks at twenty five degrees Celsius, after which lung tissue were examined for morphologic change and SP-A and SP-D levels were measured using Western blot assay with densitometer. Results: Before the study, the average weight of the study group was 286.69±14.54 g, and control was 286.69±14.54 g. Five weeks later, the average weight of the study group was 347.31.31± 60.53 g and control group 352.71±16.84 g. However, no statistical significance was noted. On light microscopy, the control group exhibited normal findings while widening of lung interstitium and fibrotic change coupled with more prominent inflammatory cell infiltration were noted in the study group. The SP-A level were 15.34±1.52 ODU/μg in the study group and 7.70±2.81 ODU/μg in the control. SP-D level were 3.53±1.46 ODU/μg and 7.51±2.33 ODU/μg in the study and control groups respectively, there was a statistical significance (p<0.05). Conclusion: The morphologic change after pulmonary fibrosis induced by intratracheal bleomycin injection in white rats can be summarized as chronic inflammatory cell infiltration, fibroblast proliferation, deposition of collagen tissues, and lowering of SP-D level were noted. The increase of SP-A level is subject to further study in the future.