Constitutional chromosome aberrations as pathogenetic events in hematologic malignancies

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28 Scopus citations


A predisposition to tumor development is associated with some constitutional chromosomal abnormalities. Investigations of families with an apparent hereditary cancer and constitutional chromosome rearrangements have led to the molecular identification of tumor suppressor genes. Under the somatic mutation theory for the development of cancer, two mutational events are required. The first step may be a constitutional event and the second an acquired genetic mutation. Cytogenetic studies were performed on 5633 bone marrow specimens from patients with hematologic malignancies from a single institution. Fifty cases of constitutional chromosome aberrations were detected. Data collected from the literature and from our series are reviewed and compared with the incidence of specific constitutional chromosome aberrations in the newborn population. Possible mechanisms that may predispose individuals with constitutional chromosome aberrations to the development of a hematologic malignancy are reviewed.

Original languageEnglish (US)
Pages (from-to)137-153
Number of pages17
JournalCancer Genetics and Cytogenetics
Issue number2
StatePublished - Mar 2004

ASJC Scopus subject areas

  • Cancer Research
  • Genetics
  • Molecular Biology


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