Document Detail


The impact of megakaryocyte proliferation of the evolution of myelofibrosis. Histological follow-up study in 186 patients with chronic myeloid leukaemia.
MedLine Citation:
PMID:  1609507     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
A histological study on sequential bone marrow biopsies in patients with chronic myeloid leukaemia (CML) was performed. We wished to answer the question as to whether a different content of megakaryopoiesis in the bone marrow of CML patients has a prognostic significance for the development of myelofibrosis during the course of disease. In addition, the significance of possible changes in the quantity of megakaryopoiesis in this process was assessed. In 186 patients who had no fibre increase at first diagnosis, the rate of subsequent myelofibrosis varied from 19% for the common or granulocytic subtype (CML.CT) to 40% for patients with features of megakaryocytic increase (CML.MI). No significant differences were found either in the rapidity of progression to fibrosis or in the final rate of osteomyelosclerosis. Whereas in CML.MI most patients (75%) showed an increase of fibres only, this was accompanied by an additional increase of megakaryocytes in CML.CT, changing the histological pattern from CML.CT to .MI or .MP, respectively. The data therefore revealed a correlation between fibre increase and subtyping of CML as suggested by the Hannover classification of chronic myeloproliferative diseases. Subtypes of CML with megakaryocytic increase could be shown to present a "pre-myelofibrotic" stage of disease and may therefore be conceived as a particular pathway of acceleration.
Authors:
T Buhr; H Choritz; A Georgii
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Virchows Archiv. A, Pathological anatomy and histopathology     Volume:  420     ISSN:  0174-7398     ISO Abbreviation:  Virchows Arch A Pathol Anat Histopathol     Publication Date:  1992  
Date Detail:
Created Date:  1992-07-21     Completed Date:  1992-07-21     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  8302198     Medline TA:  Virchows Arch A Pathol Anat Histopathol     Country:  GERMANY    
Other Details:
Languages:  eng     Pagination:  473-8     Citation Subset:  IM    
Affiliation:
Pathologisches Institut, Medizinischen Hochschule Hannover, Federal Republic of Germany.
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MeSH Terms
Descriptor/Qualifier:
Biopsy
Bone Marrow / pathology
Cell Division
Fibrosis
Follow-Up Studies
Humans
Leukemia, Myelogenous, Chronic, BCR-ABL Positive / complications,  pathology*
Megakaryocytes / pathology*
Primary Myelofibrosis / etiology*

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