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RISS 인기검색어
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- 저자 : 서진학(Jin Hak Suh) (검색결과 6 건)
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정웅윤,서진학,정봉철<SUP>1<.SUP>,박정수,Woung Youn Chung,Jin Hak Suh,Bong Chul Chung<SUP>1 <.SUP>and Cheong Soo Park 대한갑상선-내분비외과학회 2001 The Koreran journal of Endocrine Surgery Vol.1 No.2
목적: 스테로이드 호르몬은 다양한 종양의 성장에 기여하는 것은 잘 알려져 있다. 여러 보고에서 외인성 안드로겐이 갑상선 호르몬과 갑상선 세포의 성장에 기여한다는 사실이 증명되었으나, 갑상선 암에서의 안드로겐의 역할은 아직 분명히 밝혀지지 않았으며, 최근의 연구에서는 갑상선 조직에서 에스트로겐 수용체의 존재에 관하여, 갑상선암의 에스트로겐 의존성의 가능성을 제안해왔으나, 에스트로겐 수용체 양성율과 종양의 생물학적 양상과의 관계에 대한 명확한 결론을 얻지는 못하였다. 이에 연구자들은 갑상선 암에서의 안드로겐과 에스트로겐의 역할을 규명하고자 본 연구를 시행하였다. 대상 및 방법: 유두상 갑상선암 환자의 수술전과 수술후의 소변 견본과 정상여성의 소변 견본에서 안드로겐, 코티코이드(corticoid), 에스트로겐 호르몬 프로파일의 변화를 gas chromatography/mass spectrometry/selected ion-monitoring (GC/ MS/SIM) system를 통해 분석하였다. 또한, 호르몬의 불균형 이나 산화대사가 갑상선 암과의 연관성이 있는지 간접적으로 측정하기 위하여 관계 있는 호르몬 농도비를 측정하였다. 결과: 수술전 측정된 11-DOKS/17-OHCS비가 17-OHCS 양의 감소로 인하여 의미 있게 증가하였다. Catechol 과 2-OH E1을 포함한 에스트로젠의 측정량이 다른 에스트로겐의 대사산물에 큰 변화 없이 수술전 유두상 갑상선암 환자에서 유의하게 증가하였다. 수술전 16-OH E1/2-OH E1 비는 수술후 측정치에 비해 통계적으로 유의하게 낮은 결과를 보였다. 결론: 이상의 결과로 부신피질 홀몬 결핍에 의한 안드로겐의 체내 변화는 유두상 갑상선암의 발생에 영향을 줄 것으로 생각되며, 또한 에스트로겐 대사과정 중에 2-hydroxylation 과정의 증가는 유두상 갑상선암과 연관성이 있을 것으로 사료된다. (Korean J Endocrine Surg 2001;1:259-266)
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최동진(Dong Jin Choi),서진학(Jin Hak Suh),정웅윤(Woung Youn Cheong),최은창(Eun Chang Choi),김형준(Hyeong Joon Kim),강혜윤(Hae Youn Kang),박정수(Cheong Soo Park) 대한두경부종양학회 2001 대한두경부 종양학회지 Vol.17 No.2
Epithelial-myoepithelial carcinoma is a rare neoplasm comprising approximately 1% of all salivary gland neoplasms. Histopathologically, the carcinomas are characterized by a dual cell population of an inner duct-forming epithelium and an outer myoepithelial cell. They are characterized by their variable clinical course and a lack of features that predict clinical outcome. The following report describes our experience with this type of tumor. We suggest that radiation therapy and long term follow-up will be necessary because this tumor have a high risk of locoregional aggressiveness.
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류창학(Chang Hak Yoo),노성훈(Sung Hun Noh),김용일(Yong Il Kim),서진학(Jin Hak Suh),민진식(Jin Sik Min),이경식(Kyong Sik Lee) 대한소화기학회 1998 대한소화기학회지 Vol.30 No.1
N/A Background/Aims: Prirnary gastric lymphoma is an uncommom tumor, constituting less than 5% of gastric malignancies. Optimal treatment of early-stage gastric lymphoma has been a matter of debate for several years. Our purpose in this study is to evaluate the exact role of surgery in the treatment of gastric lymphoma. Methods: Retrospective study of 63 patients, treated at the Dept. of Surgery, Yonsei Univ., College of Medicine from 1980 to 1994 was performed. Survival and multivariate analyses were done using the Kaplan-Meier method and Coxs proportional hazard model. Results: The mean age was 49.4 years, the ale to female ratio was 1.5:1 and the mean tumor size was 5.lcm in maximal diameter. The distribution of histologic grade according to the Working formulation was low-grade(n=24), intermediate-grade(n=32), high-grade(n=7) and high with low-grade(n=l). The distribution of stage according to the criteria of Musshoff was I(n=35), II-1(n=l 1), II-2(n=14), IV(n=3). Fifty two patients underwent gastric resection: subtotal(n=29), total (n=23) and the remaining 11 patients were diagnosed by laparotomy biopsy(n=4) and endoscopic biopsy(n=7) without gastric resection. Treatment modalities included surgery(S), chemotherapy (CT), and radiotherapy(RT) in the following proportions: only S(n=l9), S+CT(n=17), S+RT(n=4), S+CT+RT(n=12) and CT+RT(n=l 1). The overall 5-year survival rate was 72.5%. The 5-year survival rates according to stage were 87.3% in stage I, 76.2% in II-1, and 45.7% in II-2. No difference in survival rate was found according to treatrnent modality. Significant prognostic factors by univariate analysis were histologic grade, multifocality, lymph node metastasis, gastric resection and stage. Among them, independent prognostic factor by multivariate analysis was stage (p=0.0011). Conclusions: We suggested that surgical role in the treatment of early gastric lymphoma(stage I, II) may still be primary therapeutic procedure and the extent of sugical resection should be a standard radical gastrectomy with D2 or D2+a lymph node dissection. But in the intermediate or high grade tumor, multifocal lesions, LN metastasis and advanced stage, chemotherapy or radiotherapy should be considered as adjuvant therapy. (Korean J Gastroenterol 1997; 30:39 - 47)
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조은철(Eun Chol Cho),서진학(Jin Hak Suh),정웅윤(Woong Yun Chung),김호근(Ho geun Kim),박정수(Cheong Soo Park) 대한두경부종양학회 2001 대한두경부 종양학회지 Vol.17 No.2
Purpose: Most cases of primary hyperparathyroidism are due to parathyroid adenoma or parathyroid hyperplasia. Parathyroid carcinoma is a very rare cause of hyperparathyroidism. Although the diagnosis of parathyroid carcinoma is usually established by pathologic criteria especially of vascular or capsular invasion, some clinical and biochemical features differentiate it from benign forms of hyperparathyroidism. We under-took a retrospective study in 6 patients with parathyroid carcinoma, with the aim of conveying experience from management for this rare cause of hyperparathyroidism. Methods: Clinical symptoms, biochemical laboratory, radiologic, and intraoperative findings, local recurrence and distant metastasis were analyzed in 6 patients diagnosed pathologically as a parathyroid carcinoma after operation from 1992 to 2001. Results: Mean age was 50.2 years (33.0-60.0 years) and male to female ratio was 1:1. Neck mass was found in 5 patients, multiple bone pain in 3 patients and renal stone in 1 patient. One case has suffered from chronic renal failure for 19 years. Although preoperative laboratory evaluations showed the aspects of hyperparathyroidism in all cases, mean serum calcium level was 11.2mg/dl(10.5-12.1mg/dl), slightly elevated. Laboratory values after surgery were within the normal range in 5 cases. However, in one case with chronic renal failure, serum PTH levels, serially checked, were above the normal range. Any of imaging methods failed to suggest a parathyroid carcinoma preoperatively. Parathyroid adenoma was suspected in 3 cases, thyroid cancer in the other cases before surgery. The extent of resection was radical resection of parathyroid lesion with more than unilateral thyroid lobectomy and central compartment neck node dissection and in 2 cases, the resection of recurrent laryngeal nerve or strap muscles was added. During follow-up period, any local or systemic recurrence were not evident in all the cases. Conclusion: Although parathyroid carcinoma is a rare disease and its preoperative diagnosis, in our experience, could not easily be made, the understanding of characteristic clinical and biochemical feature could help diagnosis at first surgery. Radical resection without remaining residual tumor is most important for the management of the parathyroid cancer.
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