Original article PDF Young-Sook Cho1, Young-Hoon Kim1, Kyung-Hee Lee1, Hye-Sun Jang1, Kyung-Ah Hwang1, Yoo-Li Kim2, Hyun-Young Chi1 1Samkwang Medical Laboratories, 2Biosewoom Institute of Bioscience & Biotechnology, Seoul, Korea Corresponding to Hyun-Young Chi, E-mail: chumgang@smlab.co.kr Ann Clin Microbiol 2009;12(2):72-77.Copyright © Korean Society of Clinical Microbiology. Abstract Background: Hepatitis C virus (HCV) RNA quantification is necessary for predicting the therapeutic response and assessing treatment results in patients with chronic HCV infection. Recently, real-time PCR technology for HCV RNA quantification displayed good linearity within the dynamic range. Thus, it is gradually replacing branched-DNA (bDNA) and PCR- hybridization assays. In this study, we evaluated the performance of the Real-QTM HCV quantification kit (biosewoom. Inc., Seoul, Korea) developed in Korea. Methods: We evaluated the HCV quantification kit for detection limit, specificity, linearity, accuracy, and recovery rate of HCV RNA standard material. The results were analyzed for a correlation with those of Cobas Amplicor HCV Monitor 2.0. Results:

Original article PDF Young-Eun Kim, Hee Jae Huh, Yu-Yean Hwang, Nam Yong Lee Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Koreaa Corresponding to Nam Yong Lee, E-mail: micro.lee@samsung.com Ann Clin Microbiol 2013;16(3):134-139. https://doi.org/10.5145/ACM.2013.16.3.134Copyright © Korean Society of Clinical Microbiology. Abstract Background: Due to a reduction in the number of parasite infections, attention paid to the importance of intestinal parasites has decreased. However, intestinal parasite infections remain ubiquitous and have reappeared as a growing problem in recent decades due to changing lifestyles such as increased overseas travel. In this study, we evaluated trends in intestinal parasite infection using stool examination in a single institute.  Methods: From January 2003 to December 2012, we reviewed all stool examination results performed at Samsung Medical Center. Fecal examinations were performed by formalin-ether sedimentation.  Results: A total 429,866 stool examinations were performed resulting in 14,672 cases with positive

Case report PDF Yong Kwan Lim, Se Min Oh, Oh Joo Kweon, Mi-Kyung Lee Department of Laboratory Medicine, Chung-Ang University College of Medicine, Seoul, Korea Corresponding to Mi-Kyung Lee, E-mail: cpworld@cau.ac.kr Ann Clin Microbiol 2015;18(3):98-101. https://doi.org/10.5145/ACM.2015.18.3.98Copyright © Korean Society of Clinical Microbiology. Abstract Clostridium ramosum is Gram-positive anaerobic bacillus and is known as a non-pathogenic enteric bacterium. It is a member of the RIC group, which is a subgroup of Clostridium having atypical characteristics. Rarely, it has been reported as a pathogen of otitis media in young children or the cause of infection in immunosuppressed adults. Here, we report the first two Korean cases of C. ramosum bacteremia in colon cancer and pressure sore cases, respectively. (Ann Clin Microbiol 2015;18:98-101) Keywords Bacteremia, Clostridium ramosum, Immunocompromised host