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요 세포 검사의 진단적 가치; 액상세포검사와 고식적 방법의 비교
이선,박정희,도성임,김윤화,이주희,장성구,박용구,Lee, Sun,Park, Jung-Hee,Do, Sung-Im,Kim, Youn-Wha,Lee, Ju-Hie,Chang, Sung-Gu,Park, Yong-Koo 대한세포병리학회 2007 대한세포병리학회지 Vol.18 No.2
Urine cytology is an important screening tool for urinary tract neoplasms. Liquid-based preparation methods, such as $ThinPrep^{(R)}$, have been introduced for non-gynecological samples. We aimed to assess the diagnostic accuracy of liquid-based preparations in urine cytology by comparing the results of the conventional Cytospin preparation method for the same samples. A total of 236 cases subject to urine cytology were enrolled in this study from January 2005 to December 2005. All cases were subjected to cystoscopy and if a malignancy was suspected, a biopsy was performed. Urine cytology slides were made using the $ThinPrep^{(R)}$ preparation method and the conventional Cytospin and/or direct smear method from the individual samples. The results of urine cytology were compared with the final cystoscopic or histological diagnoses. We analyzed the sensitivity, specificity, positive predictive value, negative predictive value and accuracy of both cytology preparation methods. A total of 236 slides made using the liquid based method were satisfactory for slide quality, whereas 5 slides (2.1%) prepared by conventional methods were unsatisfactory because of air-drying, a thick smear, or a bloody or inflammatory background. The $ThinPrep^{(R)}$ method showed 53.1% sensitivity, 92.6% specificity, a 92,6% positive predictive value, a 94.1% negative predictive value and 85,6% accuracy, while the conventional method showed 51% sensitivity, 98.4% specificity, a 92.6% positive predictive value, a 98.4% negative predictive value and 88,6% accuracy. Although the diagnostic values were equivalent between the use of the two methods, the quality of the cytology slides and the time consumed during the microscopic examination for a diagnosis were superior for the $ThinPrep^{(R)}$ method than for the conventional method. In conclusion, our limited studies have shown that the use of the liquid based preparation method is beneficial to improve the quality of slides and reduce the duration for a microscopic examination, but did not show better sensitivity, accuracy and predictive values.
방광경부 현수술후 봉합사에 의해 발생된 재발성 방광결석
유구한,안규일,장성구 경희대학교 2006 慶熙醫學 Vol.22 No.1
Stress urinary incontinence is a common problem which can be corrected surgically. Burch colposuspension is one of successful operation performed for stress urinary incontinence. We report a patient who presented urgency, tenesmus, frequency, dysuria after Burch colposuspension. Any patients with unexplained lower urinary tract symptoms following Burch colposuspension must be evaluated radiologically and urologically to find iatrogenic bladder stone.