http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
대장 및 직장암의 병기 결정에 있어서 hydrocolonic sonography의 유용성
정혜원 ( Hye Won Chung ),정재복 ( Jae Book Chung ),신용준 ( Young Jun Shin ),송시영 ( Si Young Song ),문영명 ( Young Myung Moon ),강진경 ( Jin Kyung Kang ),김명진 ( Myung Jin Kim ),박찬일 ( Chan Il Park ) 대한내과학회 2002 대한내과학회지 Vol.63 No.5
Background : The purpose of this study was to evaluate the usefulness of hydrocolonic sonography (HUS) in local staging of colorectal cancer. Methods : Thirty patients with colorectal cancer underwent HUS for clinical TNM staging before operation and then the preoperative staging was correlated with postoperative histological stage. Results : All cases were correctly localized by HUS. The accuracy of depth of invasion (T staging) was 70% in overall cases. When divided into colon and rectal cancer, T staging was more accurate in colon cancer (88%), however, less accurate in rectal cancer (46.1%). The accuracy was higher especially in aspect of pericolic fat infiltration (93%). In N staging, the accuracy was 60% in overall cases, 71% in colon cancer and 46% in rectal cancer, respectively. The accuracy of N staging by HUS were somewhat poor on the whole due to technical properties. Conclusion : HUS is very valuable with respect to T staging, especially in colon cancer rather than in rectal cancer. N staging was somewhat doubtful in both. Because HUS is easy, noninvasive, and readily available at any place, it would be useful method for local staging colon cancer, especially T staging. (Korean J Med 63:477-487, 2002) Key Words : Hydrocolonic sonography, Colorectal Neoplasms, Preoperative, TNM staging
위암 조직에서 Integrin α5, α6, αV, β1, β3, β4 아단위의 발현
감창우 ( Chang Woo Gham ),박승우 ( Seung Woo Park ),신율 ( Yule Shin ),김현욱 ( Hyun Wook Kim ),김한수 ( Han Soo Kim ),송시영 ( Si Young Song ),정재복 ( Jae Book Chung ),강진경 ( Jin Kyung Kang ),노성훈 ( Sung Hoon Noh ) 대한소화기학회 2002 대한소화기학회지 Vol.40 No.6
Background/Aims: The integrins play a central role in maintaining the morphology of cell and tissue, growth, differentiation, migration, survival and apoptosis of cells, and angiogenesis. Although integrins are implicated in carcinogenesis and tumor angiogenesis, their precise contributions to the process are largely unknown. Methods: For paraffin embedded tissue samples of 102 gastric cancers (23 differentiated, 79 undifferentiated), the expression of integrin α5, α6, αV, β1, β3, β4 subunits and factor VIII were examined by immunohistochemical staining. The relationships between the expression of each integrin and several clinicopathologic parameters were analyzed. Results: The positive rates of integrins were as follows: α5 24%, β1 8%, α6 16%, β4 24%, αV 29%, and β3 34%. The expression of α5, α6, and αV was well correlated with the expression of β1, β4, and β3, respectively. The αV integrin was highly expressed in tumors of advanced T stage. The expressions of α6 and β4 integrins were significantly higher in differentiated tumors, but the β3 integrin was significantly expressed in undifferentiated tumors. The number of tumor vessels has positive correlation with αV integrin expression. Conclusions: These findings suggest that integrin α6β4 is one of the key factors in determining tumor differentiation and growth pattern. The integrin αVβ3 may be related to the angiogenesis especially in advanced gastric cancer. (Korean J Gastroenterol 2002;40:355-363)