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논문 기본 정보

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학술저널
저자정보
Park Mikyoung (Department of Laboratory Medicine, Eunpyeong St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea) Lim Jihyang Ahn Ari (Department of Laboratory Medicine, Incheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea) Oh Eun-Jee (Department of Laboratory Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea) Song Jaewoo (Department of Laboratory Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea) Kim Kyeong-Hee (Department of Laboratory Medicine, Dong-A University Hospital, College of Medicine, Dong-A University, Busan, Korea) Han Jin-Yeong (Department of Laboratory Medicine, Dong-A University Hospital, College of Medicine, Dong-A University, Busan, Korea) Choi Hyun-Woo (Department of Laboratory Medicine, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Hwasun, Korea) Park Joo-Heon (Department of Laboratory Medicine, Chonnam National University Hwasun Hospital, Chonnam National University Medical School, Hwasun, Korea) Shin Kyung-Hwa (Department of Laboratory Medicine, Pusan National University Hospital, Pusan National University School of Medicine, Busan, Korea) Kim Hyerim (Department of Laboratory Medicine, Pusan National University Hospital, Pusan National University School of Medicine, Busan, Korea) Kim Miyoung (Department of Laboratory Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea) Hwang Sang-Hyun (Department of Laboratory Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea) Kim Hyun-Young (Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea) Cho Duck (Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea) Kang Eun-Suk (Department of Laboratory Medicine and Genetics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea)
저널정보
대한진단검사의학회 Annals of Laboratory Medicine Annals of Laboratory Medicine 제44권 제3호
발행연도
2024.5
수록면
222 - 234 (13page)
DOI
10.3343/alm.2023.0298

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Background: Flow cytometric immunophenotyping of hematolymphoid neoplasms (FCI-HLN) is essential for diagnosis, classification, and minimal residual disease (MRD) monitoring. FCI-HLN is typically performed using in-house protocols, raising the need for standardization. Therefore, we surveyed the current status of FCI-HLN in Korea to obtain fundamental data for quality improvement and standardization. Methods: Eight university hospitals actively conducting FCI-HLN participated in our survey. We analyzed responses to a questionnaire that included inquiries regarding test items, reagent antibodies (RAs), fluorophores, sample amounts (SAs), reagent antibody amounts (RAAs), acquisition cell number (ACN), isotype control (IC) usage, positive/negative criteria, and reporting. Results: Most hospitals used acute HLN, chronic HLN, plasma cell neoplasm (PCN), and MRD panels. The numbers of RAs were heterogeneous, with a maximum of 32, 26, 12, 14, and 10 antibodies used for acute HLN, chronic HLN, PCN, ALL-MRD, and multiple myeloma-MRD, respectively. The number of fluorophores ranged from 4 to 10. RAs, SAs, RAAs, and ACN were diverse. Most hospitals used a positive criterion of 20%, whereas one used 10% for acute and chronic HLN panels. Five hospitals used ICs for the negative criterion. Positive/negative assignments, percentages, and general opinions were commonly reported. In MRD reporting, the limit of detection and lower limit of quantification were included. Conclusions: This is the first comprehensive study on the current status of FCI-HLN in Korea, confirming the high heterogeneity and complexity of FCI-HLN practices. Standardization of FCI-HLN is urgently needed. The findings provide a reference for establishing standard FCI-HLN guidelines.
#Flow cytometry #Hematolymphoid neoplasm #Immunophenotyping #Minimal residual disease #Plasma cell neoplasm

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