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자궁경부암에서 Cyclooxygenase - 2 의 발현과 혈관신생
민봉식(Bong Sik Min),손우석(Woo Seok Sohn),장기택(Kee Taek Jang),이성원(Sung Won Lee),김홍배(Hong Bai Kim),이용우(Yong Woo Lee),강성원(Sung Won Kang),박양서(Yang Suh Park),장봉림(Pong Rheem Jang) 대한산부인과학회 2002 Obstetrics & Gynecology Science Vol.45 No.3
Objective: A large body of evidence suggests that cyclooxygenase-2 (COX-2) is important in tumor growth and angiogenesis of gastrointestinal and other cancers. This was the study to determine the relationship between tumor vascularity and COX-2 expression in invasive cervical cancer. Methods: We examined the expression of COX-2 and microvessel density (MVD) by immunohistochemical staining in 21 specimens collected from invasive cervical cancer patients. Results: All specimens showed weak and strong immunoreactivity, with 52.4%strong reactivity. Microvessel count was higher (median 136) in the strong COX-2 immunoreactivity specimens than the weaks (median 90),and MVD was significantly correlated with the COX-2 immunoreactivity (P=0.002). Conclusion: These preliminary data indicate that overexpression of COX-2 may play an important role in carcinogenesis of cervical cancer and this could be partially attributable to modulation of angiogenesis by COX-2.COX-2 maybe a target for future research in the tumorigenesis of the invasive cervical cancer.
임신 1 삼분기중 Nuchal Translucency 와 free β-hCG , PPP -A 를 이용한 염색체 이상진단의 선별검사로서의 유용성
김성주(Sung Joo Kim),민봉식(Bong Sik Min),김창모(Chang Mo Kim),손우석(Woo Seok Sohn),강정배(Jung Bae Kang),장봉림(Pong Rheem Jang) 대한산부인과학회 2001 Obstetrics & Gynecology Science Vol.44 No.6
Objectives: The aim of this study is to determine the efficacy of nuchal translucency in combination with free β-hCG, PAPP-A in the first trimester screening for chromosomal anomaly in general population. Methods: Between April 1998 and December 1999, we evaluated 263 pregnant women undergoing first trimester screening test for fetal chromosomal anomaly using nuchal translucency combined with free β -hCG, PAPP-A. We confirmed the pregnancy outcomes through chorionic villi sampling, amniocentesis or term delivery. We excluded 15 pregnant women because of their obscure pregnancy outcomes. Statistical analysis w; considered significant when P value was lower than 0.05. Results: With a risk cut-off of 1 in 400, 24 pregnancies(9.7%) of 248 cases were screen positive and 224 pregnancies(90.3%) were screen negative. 2 cases of Down syndrome and 1 case of Tumer syndrome were detected in screen positive group. No chromosomal anomalies were detected in screen negative group. Conclusion: In this study, 8.57% of false positive rate and 12.5% of positive predictive value were obtained in the first trimester screening for chromosomal anomaly using nuchal translucency and serum markers.
난소종양에서 Cyclooxygenase - 2 의 발현
손우석(Woo Seok Sohn),민봉식(Bong Sik Min),김창모(Chang Mo Kim),김성주(Sung Joo Kim),강정배(Jung Bae Kang),박혜림(Hye Rim Park),장봉림(Pong Rheem Jang) 대한산부인과학회 2001 Obstetrics & Gynecology Science Vol.44 No.7
Objective: A large body of evidence suggests that cyclooxygenase-2 (COX-2) is important in tumorigenesis of gastrointestinal and other cancers. This was the study to determine whether COX-2 was also expressed in benign and malignant ovarian tumors. Methods: We studied the expression of COX-2 in various ovarian tumors [ Benign epithelial tumors (n=10), borderline epithelial tumors (n=12), malignant epithelial tumor (n=12), nonepithelial tumors(n=10) ] by immunohistochemistry. Results of immunoreactivity was classified semiquantitatively based on the proportion and intensity of tumor cell immunostaining. Results: In the epithelial ovarian tumors, the intensity of immunostaining was stronger in the malignant tumors than the benign and borderline tumors (p<0.001). Especially all serous and mucinous malignant tumors (n=9) showed weak and strong immunoreactivity, with 66.7% strong reactivity. None of the nonepithelial ovarian tumors expressed COX-2 immunoreactivity. Conclusion: These preliminary data indicate that COX-2 may have a role in carcinogenesis of epithelial ovarian tums, especially in the serous and mucinous types. COX-2 maybe a target for future research in the tumorigenesis of the epithelial ovarian malignancies.
김성주 ( Sung Joo Kim ),김창모 ( Chang Mo Kim ),김범 ( Bum Kim ),장기택 ( Kee Taek Jang ),강정배 ( Jung Bae Kang ),장봉림 ( Pong Rheem Jang ),손우석 ( Woo Seok Sohn ),민봉식 ( Bong Sik Min ) 대한산부인과학회 2001 Obstetrics & Gynecology Science Vol.44 No.7
Aggressive angiomyxoma is a rare pathological condition which affects mainly the soft tissues of the pelvis and perineum in women. It is circumscribed totally or partially and has a infiltrative margin, so it has a tendency for local recurrence. We report a 33-year-old woman who presented with a mass arising within the vaginal wall which was painless, soft and movable like a cyst on palpation. The mass was surgically excised and pathologically proved to be an aggressive angiomyxoma.