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Real-time PCR을 이용한 환경 중 물 시료의 레지오넬라 분석법 연구
이정희,이정희,박명기,김윤성,윤희정,이창희,정아용,윤미혜 한국환경보건학회 2019 한국환경보건학회지 Vol.45 No.5
Objectives: The standard method for the enumeration of environmental Legionella is culturing, which has several disadvantages, including long incubation and poor sensitivity. The purpose of this study is to demonstrate the usefulness of real-time PCR and to improve the standard method. Methods: In 200 environmental water samples, a real-time PCR and culture were conducted to detect and quantify Legionella. Using with the results of the survey, we compared the real-time PCR with the culture. Results: Each real-time PCR assay had 100% specificity and excellent sensitivity (5 GU/reaction). In the culture, 36 samples were positive and 164 samples were negative. Based on the results of the culture, real-time PCR showed a high negative predictive value of 99%, 35 samples were true positive, 105 samples were true negative, 59 samples were false positive and one sample was a false negative. Quantitative analysis of the two methods indicated a weak linear correlation (r 2 =0.29, r 2 =0.61, respectively). Conclusions: Although it is difficult to directly apply quantitative analysis results of real-time PCR in the enumeration of environmental Legionella, it can be used as a complementary means of culturing to rapidly screen negative samples and to improve the accuracy of diagnosis.
외음부 평활근종의 초음파와 자기공명영상 소견: 증례 보고
이정희,이진희,우성구,김상표 대한영상의학회 2002 대한영상의학회지 Vol.47 No.5
Leiomyomas are common benign neoplasms that can occur at any anatomical site containing smooth muscle, though most originate in the female genital tract. Leiomyomas of the vulva or perineum are, however, very rare. We report the ultrasonographic (US) and MR imaging findings of a vulvar leiomyoma, and briefly review the literature. 평활근종은 평활근을 함유하는 조직이면 어디에서나 생길 수 있는 흔한 양성 종양으로 대부분 자궁이나 질 등, 여성 생식기에서 발생한다. 그러나 외음부나 회음부에 생긴 평활근종은 아주 드물고, 방사선학적인 소견에 대한 국내 보고는 아직은 없다. 저자들은 외음부에 생긴 평활근종 1예를 경험하였기에 문헌 고찰과 함께 초음파와 자기공명영상 소견을 보고하고자 한다.