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Development and validation of novel digitalized cervicography system
김수녕 ( Soo-nyung Kim ),김윤환 ( Yun Hwan Kim ),( Kye-hyun Nam ),( Seon-kyung Lee ),( Tae Sung Lee ),( Ho-sun Choi ),( Sei-jun Han ),( Seung-cheol Kim ) 대한산부인과학회 2017 대한산부인과학회 학술대회 Vol.103 No.-
Objective: Digital cervicography systems would be expected to reduce the costs of film cervicography, and provide the opportunity for “telemedicine-based” screening. We aimed to develop web-based digital cervicography system, and validate it compared with conventional film cervicography. Methods: A hundred cases from five centers were prospectively included, and cervical images (analogue, digitalized by scanning analogue, and digital) were taken separately using both analogue (Cerviscope) and digital camera (Dr. Cervicam) in each patient. Nine specialists evaluated the three kinds of images of each case with time interval between evaluations of each image. To validate novel digitalized system, we analyzed intra-observer variance among evaluation results of three kinds of images. Results: Sixty-three cases were finally analyzed after excluding technically defective cases that cannot be evaluable on analogue images. The generalized kappa for analogue versus digital image was 0.83, for analogue versus scanned image 0.72, and for digital versus scanned image was 0.71; all were in excellent consensus. Conclusion: Digitalized cervicography system can be substituted for the film cervicography very reliably, and can be used as a promising telemedicine tool for cervical cancer screening.
국산통계풀그림으로 우리 나라 의학 학술지에서 사용하는 통계를 해결할 수 있을까?
김수녕(Soo-Nyung Kim),허 선(Sun Huh) 한국의학교육학회 2002 Korean journal of medical education Vol.14 No.1
Purpose & Methods: Papers in six kinds of medical journals from Korea were examined on statistical methods to know what kinds of statistical methods had been used. We also tried to know how much Korean statistical program, dBSTAT can cover those statistical methods. Results: Out of 841 papers, statistical methods were used in 415 (49.4%) ones. Cumulative number of statistical methods is 869. According to the category of statistical methods, they were classified as following: Distribution analysis 6 (0.7%), comparative statistics 577 (66.4%), correlation analysis 66 (7.6%), regression analysis 106 (12.2%), classification analysis 3 (0.3%), survival analysis 48 (5.5%), genetic analysis 10 (1.2%), and etc 53 (6.5%). Conclusion: From above result, it can be said that dBSTAT can cover 92.7% of whole statistical methods in this study. These results also can be used for the goal of curriculum of medical statistics for undergraduate, graduate course and resident training program.
질식 자궁절개술로 치료된 제왕절개 반흔 부위에 발생한 자궁외임신
박수경 ( Soo Kyung Park ),김영진 ( Young Jin Kim ),김수녕 ( Soo Nyung Kim ),권한성 ( Han Sung Kwon ),손인숙 ( In Sook Sohn ),이선주 ( Sun Joo Lee ),이지영 ( Ji Young Lee ) 대한산부인과학회 2008 Obstetrics & Gynecology Science Vol.51 No.7
Implantation of a pregnancy within the scar of previous cesarean section is the rarest form of ectopic pregnancy. Delayed diagnosis and treatment can lead to uterine rupture, hemorrhage and maternal morbidity. But diagnosed early by transvaginal sonography, treatment options are capable of preserving the uterus and subsequent fertility. Suction curettage, exploratory laparotomy, laparoscopic surgery, systemic or local injection of methotrexate is the treatment method currently performed. In this report, we treated a case of this patient by transvaginal hysterotomy. This is the first case report in the recent literature. By this surgery, we could successfully remove gestational sac from the implantation site and repair the defect by primary suture and preserve uterus.
자궁경부상피내종양 치료 후 재발 예측인자로서 인유두종 바이러스 검사
김지연 ( Ji Yeon Kim ),김수녕 ( Soo Nyung Kim ),이선주 ( Sun Ju Lee ),권한성 ( Han Sung Kwon ),전경훈 ( Kyung Hun Zun ),이지영 ( Ji Young Lee ),손인숙 ( In Sook Sohn ),이효표 ( Hyo Pyo Lee ) 대한산부인과학회 2009 Obstetrics & Gynecology Science Vol.52 No.10
Objective: The aim of this study was to evaluate high-risk (HR) HPV DNA test to predict recurrence/residual disease in patients treated for CIN (cervical intraepithelial neoplasia). Methods: Four hundred and fifty-two patients treated with LLETZ (large loop excision of the transformation zone) were followed by HR HPV DNA test, cytology and colposcopy. The sensitivity, specificity and diagnostic odds ratios in predicting recurrence/residual disease were compared to those of cytology and HPV DNA test. Results: Fourteen patients (3.1 %) developed recurrent/residual disease, during follow up. Of these women, 7 were diagnosed at the time of recurrence with a CIN 1 lesion, 5 with a CIN 2 lesion, and 2 with a CIN 3 lesion. The sensitivity and specificity of the HPV DNA test were 92.9% (CI 68.5%, 98.7%) and 75.3% (71.1%, 79.1%). The sensitivity and specificity of the cytology were 71.4% (45.4%, 88.3%) and 92.5% (89.6%, 94.6%), respectively. The likelihood ratio of a positive and negative HPV DNA test were 3.77 (3.03, 4.69) and 0.09 (0.01, 0.63). And the likelihood ratio of a positive and negative cytology were 9.48 (5.95, 15.11) and 0.31 (0.13, 0.71). The accuracy of cytology and HPV DNA test were 94.7% and 78.3%. The sensitivity and specificity of the combination test (PAP and/or HPV DNA test) were 92.9% (68.5%, 98.7%) and 73.1% (68.7%, 77.0%). The likelihood ratio of a positive and negative combination test were 3.45 (2.79, 4.26) and 0.10 (0.01, 0.65). Conclusion: Cytology remains the base in the follow up after of CIN. HPV DNA test increase the sensitivity of cytology. Negative HPV test can rule out recurrent/residual disease.
자궁경부암 환자에서 근치적 자궁절제술 및 골반림프절절제술 시행 후 발생하는 림프낭종의 위험인자
김지연 ( Ji Yeon Kim ),이선주 ( Sun Joo Lee ),김수녕 ( Soo Nyung Kim ),배재만 ( Jae Man Bae ),이지연 ( Ji Yen Lee ) 대한산부인과학회 2012 Obstetrics & Gynecology Science Vol.55 No.12
Objective To identify the risk factors of lymphocele formation in patients with cervical cancer who underwent radical abdominal hysterectomy and pelvic lymph node dissection. Methods We conducted a retrospective study of 62 patients diagnosed with cervical cancer who underwent radical abdominal hysterectomy, including pelvic lymph node dissection between April 2005 and June 2010. Lymphocele was confirmed by imaging studies such as computed tomography or ultrasonography. Included risk factors were patient`s age, body mass index, surgeon`s experience, tumor histology, stage of cancer, previous surgery, number of retrieved lymph nodes, and radiation therapy. Multiple logistic regression analysis was performed to evaluate the risk factors of lymphocele formation. Results During median follow-up of 34.5 months (range, 12?69 months), 20 patients (32%) out of 62 had developed lymphocele. Eight patients developed symptomatic lymphocle. Univariate analysis showed the radiation therapy, and the number of retrieved lymph nodes as significant risk factors of lymphocele formation. When applying mutivariate analysis using logistic regression, radiation therapy (odds ratio=5.19, P=0.010) and the number of retrieved lymph node (odds ratio=4.80, P=0.021) were independent risk factors of lymphocele formation. Conclusion Radiation therapy and the number of retrieved lymph node were significant risk factors of lymphocele formation in patients with cervical cancer who underwent radical abdominal hysterectomy and pelvic lymph node dissection.