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학술저널
저자정보
박수용 (서울대학교병원 진단검사의학과 서울대학교 의과대학 검사의학교실) 박재현 (서울대학교병원 진단검사의학과 서울대학교 의과대학 검사의학교실) 정유선 (강동성심병원 진단검사의학과) 고대현 (울산대학교 의과대학 서울아산병원 진단검사의학과) 김형석 (서울대학교병원 진단검사의학과 서울대학교 의과대학 검사의학교실)
저널정보
대한진단검사의학회 Laboratory Medicine Online Laboratory Medicine Online 제13권 제1호
발행연도
2023.1
수록면
36 - 41 (6page)
DOI
10.47429/lmo.2023.13.1.36

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Plasma cell leukemia (PCL) is a rare plasma cell disorder. Although therapeutic plasma exchange has reportedly been performed for hypergamma globulinemia in PCL, there are no reports of therapeutic leukapheresis (TL) having been performed for hyperleukocytosis in Korea. Here, we report a rare case of TL performed for hyperleukocytosis in PCL with a literature review. A 78-year-old female patient was diagnosed and treated for nonsecretory myeloma 5 years ago before the present visit. She was diagnosed with secondary PCL 6 months ago after which her chemotherapy regi men was changed. The patient developed worsening dyspnea and memory loss one week before admission. She was hospitalized and two ses sions of TL were performed to alleviate the symptoms caused by hyperleukocytosis (leukocyte count 335.60×109/L, plasma cell 88%) and leukostasis. Although the leukocytes in peripheral blood were effectively removed (leukocyte count 171.29×109/L, 48% reduction after first TL; leukocyte count 84.53×109/L, 74% reduction after second TL), it was difficult to accurately assess whether the symptoms improved, owing to com munication difficulties due to delirium. Although chemotherapy was administered, the patient died of multiple organ failure on the 13th day after admission. This case presented the highest leukocyte count among reports in the existing literature on rare cases of PCL with hyperleukocytosis. Although the patient eventually died, this is the first case of TL performed to successfully decrease leukocytes in PCL in Korea, presenting the po tential for delaying the exacerbation of disease progression.

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