High concordance of clone detection between peripheral blood and bone marrow by targeted next‐generation sequencing—A pilot study in patients with MDS

Loacker, Lorin; Petzer, Verena; Bachmann, S.; Griesmacher, Andrea; Wolf, Dominik; Stauder, Reinhard

doi:10.1111/bjh.18889

Br J Haematol

2023

DOI: 10.1111/bjh.18889

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High concordance of clone detection between peripheral blood and bone marrow by targeted next‐generation sequencing—A pilot study in patients with MDS

Lorin Loacker

Verena Petzer

S. Bachmann

et al.

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2024

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Prevalence of massively diluted bone marrow cell samples aspirated from patients with myelodysplastic syndromes (MDS) or suspected of MDS: A retrospective analysis of nationwide samples in Japan

Ogata,

Mochimaru,

Kasai

et al. 2024

Br J Haematol

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SummaryBone marrow (BM) examination is a key element in the diagnosis and prognostic grading of myelodysplastic syndromes (MDSs), and obtaining adequate BM cell samples is critical for accurate test results. Massive haemodilution of aspirated BM samples is a well‐known problem; however, its incidence in patients with MDS has not been well studied. We report the first study to examine the incidence of massive haemodilution in nationwide BM samples aspirated from patients diagnosed with or suspected of MDS in Japan. Among 283 cases available for analysis, BM smears from 92 cases (32.5%) were hypospicular (massively haemodiluted) and, particularly, no BM particles were observed in 52 cases (18.4%). Regarding hypospicular cases, we examined how the doctors in charge interpreted the BM smears of their patients. In only 19 of 92 cases (20.7%), doctors realised that the BM smears were haemodiluted. Furthermore, the BM biopsy, which can help diagnose hypospicular cases, was oftentimes not performed when the haemodilution was overlooked by doctors (not performed in 50 of 73 such cases). These real‐world data highlight that not only researchers who are working to improve diagnostic tests but also clinicians who perform and use diagnostic tests must realise this common and potentially critical problem.

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Prevalence of massively diluted bone marrow cell samples aspirated from patients with myelodysplastic syndromes (MDS) or suspected of MDS: A retrospective analysis of nationwide samples in Japan

Ogata,

Mochimaru,

Kasai

et al. 2024

Br J Haematol

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High concordance of clone detection between peripheral blood and bone marrow by targeted next‐generation sequencing—A pilot study in patients with MDS

Cited by 1 publication

References 15 publications

Prevalence of massively diluted bone marrow cell samples aspirated from patients with myelodysplastic syndromes (MDS) or suspected of MDS: A retrospective analysis of nationwide samples in Japan

Prevalence of massively diluted bone marrow cell samples aspirated from patients with myelodysplastic syndromes (MDS) or suspected of MDS: A retrospective analysis of nationwide samples in Japan

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