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Erschienen in: Journal of Cancer Research and Clinical Oncology 10/2022

06.08.2022 | Review – Clinical Oncology

Early T-cell precursor lymphoblastic leukemia accompanied by prominent blastic plasmacytoid dendritic cell proliferation mimicking blastic plasmacytoid dendritic cell neoplasm: an exceptional case report and literature review

verfasst von: Hongyan Liao, Jiang Yu, Yu Liu, Sha Zhao, Huanling Zhu, Dongsheng Xu, Nenggang Jiang, Qin Zheng

Erschienen in: Journal of Cancer Research and Clinical Oncology | Ausgabe 10/2022

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Abstract

Purpose

Plasmacytoid dendritic cells (pDCs) are commonly associated with myeloid malignancies. The association between lymphoblastic leukemia and pDCs has been little explored.

Case presentation

Here, we report a novel case of early T-cell precursor lymphoblastic leukemia (ETP-ALL) accompanied by prominent proliferation of blastic pDCs mimicking BPDCN. The diagnosis was established based on a comprehensive analysis of morphology, immunophenotype and clinical implications. We also present a literature review and discussion on the differential expression of reactive and neoplastic pDCs, the functional role of pDCs in lymphoblastic leukemia, and the etiological association of normal pDCs and BPDCN.

Conclusions

The current case demonstrates for the first time that prominent pDC proliferation can be associated with lymphoid neoplasms and can exhibit blastic morphology and immunophenotype. The underlying mechanism of the coexistence of these two blastic populations remains unknown. Further genetic profiling may be required to denote the progressive development of tumor stem cells to the lymphoid, myeloid or dendritic cell lineage. Moreover, the prognostic value of pDCs in hematological neoplasms needs further investigation.
Literatur
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Metadaten
Titel
Early T-cell precursor lymphoblastic leukemia accompanied by prominent blastic plasmacytoid dendritic cell proliferation mimicking blastic plasmacytoid dendritic cell neoplasm: an exceptional case report and literature review
verfasst von
Hongyan Liao
Jiang Yu
Yu Liu
Sha Zhao
Huanling Zhu
Dongsheng Xu
Nenggang Jiang
Qin Zheng
Publikationsdatum
06.08.2022
Verlag
Springer Berlin Heidelberg
Erschienen in
Journal of Cancer Research and Clinical Oncology / Ausgabe 10/2022
Print ISSN: 0171-5216
Elektronische ISSN: 1432-1335
DOI
https://doi.org/10.1007/s00432-022-04238-0

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