Enzyme negative blastic transformation of chronic myeloproliferative disorders: immunophenotyping of the blastic cell population.

A. Matolcsy, I. Izer, T. Magyarlaki, F. Baranyay

Research output: Contribution to journalArticle

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Abstract

Enzyme negative blast cells from 27 patients with chronic myeloproliferative disorders (CMPDs) in blastic transformation were analysed with a panel of monoclonal antibodies (MoAbs). According to morphologic features of the bone marrow and laboratory data, the 27 cases were divided into 8 cases of myelofibrosis (MF), 3 cases of chronic megakaryocytic granulocytic myelosis (CMGM) and 16 cases of chronic myeloid leukaemia (CML). Of the 27 cases, 23 showed a positive reaction with myeloid MoAbs, but in 12 cases expressing myeloid markers, megakaryocytic, monocytic or lymphoid cell features were also detected. In 7 cases of MF, 1 case of CMGM and 1 case of CML a bilineage, myelo-megakaryocytoid immunophenotype of peripheral blast cells was seen. Of the 4 patients with CML expressing lymphoid markers, 2 showed early B-cell, 1 T-cell surface antigens, and 1 both myeloid and early B-cell features. In this group of cytochemically immature blastic transformation of CMPD, only 1 case was termed "undifferentiated" blastic transformation.

Original languageEnglish
Pages (from-to)27-37
Number of pages11
JournalHaematologia
Volume24
Issue number1
Publication statusPublished - 1991

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Myeloproliferative Disorders
Immunophenotyping
Leukemia, Myelogenous, Chronic, BCR-ABL Positive
Primary Myelofibrosis
B-Lymphocytes
Enzymes
Monoclonal Antibodies
Population
Surface Antigens
Bone Marrow
Lymphocytes
T-Lymphocytes

ASJC Scopus subject areas

  • Hematology

Cite this

Enzyme negative blastic transformation of chronic myeloproliferative disorders : immunophenotyping of the blastic cell population. / Matolcsy, A.; Izer, I.; Magyarlaki, T.; Baranyay, F.

In: Haematologia, Vol. 24, No. 1, 1991, p. 27-37.

Research output: Contribution to journalArticle

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N2 - Enzyme negative blast cells from 27 patients with chronic myeloproliferative disorders (CMPDs) in blastic transformation were analysed with a panel of monoclonal antibodies (MoAbs). According to morphologic features of the bone marrow and laboratory data, the 27 cases were divided into 8 cases of myelofibrosis (MF), 3 cases of chronic megakaryocytic granulocytic myelosis (CMGM) and 16 cases of chronic myeloid leukaemia (CML). Of the 27 cases, 23 showed a positive reaction with myeloid MoAbs, but in 12 cases expressing myeloid markers, megakaryocytic, monocytic or lymphoid cell features were also detected. In 7 cases of MF, 1 case of CMGM and 1 case of CML a bilineage, myelo-megakaryocytoid immunophenotype of peripheral blast cells was seen. Of the 4 patients with CML expressing lymphoid markers, 2 showed early B-cell, 1 T-cell surface antigens, and 1 both myeloid and early B-cell features. In this group of cytochemically immature blastic transformation of CMPD, only 1 case was termed "undifferentiated" blastic transformation.

AB - Enzyme negative blast cells from 27 patients with chronic myeloproliferative disorders (CMPDs) in blastic transformation were analysed with a panel of monoclonal antibodies (MoAbs). According to morphologic features of the bone marrow and laboratory data, the 27 cases were divided into 8 cases of myelofibrosis (MF), 3 cases of chronic megakaryocytic granulocytic myelosis (CMGM) and 16 cases of chronic myeloid leukaemia (CML). Of the 27 cases, 23 showed a positive reaction with myeloid MoAbs, but in 12 cases expressing myeloid markers, megakaryocytic, monocytic or lymphoid cell features were also detected. In 7 cases of MF, 1 case of CMGM and 1 case of CML a bilineage, myelo-megakaryocytoid immunophenotype of peripheral blast cells was seen. Of the 4 patients with CML expressing lymphoid markers, 2 showed early B-cell, 1 T-cell surface antigens, and 1 both myeloid and early B-cell features. In this group of cytochemically immature blastic transformation of CMPD, only 1 case was termed "undifferentiated" blastic transformation.

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