BEZDĚKOVÁ, Renata, Tomas JELINEK, Romana KRÁLOVÁ, Martin ŠTORK, Petra POLACKOVA, Pavla VŠIANSKÁ, Lucie KUBÍNOVÁ, Jiří JARKOVSKÝ, Martina ALMÁŠI, Ivanna BOICHUK, Zdenka KNECHTOVA, Miroslav PENKA, Luděk POUR, Sabina ŠEVČÍKOVÁ, Roman HAJEK and Lucie ŘÍHOVÁ. Necessity of flow cytometry assessment of circulating plasma cells and its connection with clinical characteristics of primary and secondary plasma cell leukaemia. British journal of haematology. England: Wiley-Blackwell, 2021, vol. 195, No 1, p. 95-107. ISSN 0007-1048. Available from: https://dx.doi.org/10.1111/bjh.17713.
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Basic information
Original name Necessity of flow cytometry assessment of circulating plasma cells and its connection with clinical characteristics of primary and secondary plasma cell leukaemia
Authors BEZDĚKOVÁ, Renata (203 Czech Republic, belonging to the institution), Tomas JELINEK (203 Czech Republic), Romana KRÁLOVÁ (203 Czech Republic, belonging to the institution), Martin ŠTORK (203 Czech Republic), Petra POLACKOVA (203 Czech Republic), Pavla VŠIANSKÁ (203 Czech Republic, belonging to the institution), Lucie KUBÍNOVÁ (203 Czech Republic, belonging to the institution), Jiří JARKOVSKÝ (203 Czech Republic, belonging to the institution), Martina ALMÁŠI (203 Czech Republic, belonging to the institution), Ivanna BOICHUK (804 Ukraine), Zdenka KNECHTOVA (203 Czech Republic), Miroslav PENKA (203 Czech Republic), Luděk POUR (203 Czech Republic), Sabina ŠEVČÍKOVÁ (203 Czech Republic, belonging to the institution), Roman HAJEK (203 Czech Republic) and Lucie ŘÍHOVÁ (203 Czech Republic, guarantor, belonging to the institution).
Edition British journal of haematology, England, Wiley-Blackwell, 2021, 0007-1048.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 30205 Hematology
Country of publisher United States of America
Confidentiality degree is not subject to a state or trade secret
WWW URL
Impact factor Impact factor: 8.615
RIV identification code RIV/00216224:14110/21:00122390
Organization unit Faculty of Medicine
Doi http://dx.doi.org/10.1111/bjh.17713
UT WoS 000694648500001
Keywords in English plasma cell leukaemia; multiple myeloma; plasma cell; flow cytometry; prognosis; phenotype
Tags 14110518, 14119612, rivok
Tags International impact, Reviewed
Changed by Changed by: Mgr. Tereza Miškechová, učo 341652. Changed: 7/12/2021 12:52.
Abstract
Plasma cell leukaemia (PCL) is a rare and very aggressive plasma cell disorder. Preventing a dismal outcome of PCL requires early diagnosis with appropriate analytical tools. Therefore, the investigation of 33 patients with primary and secondary PCL was done when the quantity of circulating plasma cells (PCs) using flow cytometry (FC) and morphology assessment was evaluated. The phenotypic profile of the PCs was also analysed to determine if there is an association with clinical outcomes and to evaluate the prognostic value of analysed markers. Our results revealed that FC is an excellent method for identifying circulating PCs as a significantly higher number was identified by FC than by morphology (26 center dot 7% vs. 13 center dot 5%, P = 0 center dot 02). None of secondary PCL cases expressed CD19 or CD20. A low level of expression with similar positivity of CD27, CD28, CD81 and CD117 was found in both PCL groups. A decrease of CD44 expression was detected only in secondary PCL. Expression of CD56 was present in more than half of PCL cases as well as cytoplasmic nestin. A decreased level of platelets, Eastern Cooperative Oncology Group score of 2-3 and lack of CD20(+) PC were associated with a higher risk of death. FC could be incorporated in PCL diagnostics not only to determine the number of circulating PCs, but also to assess their phenotype profile and this information should be useful in patients' diagnosis and possible prognosis.
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