Adjuvant chemotherapy for breast cancer: Effects on cerebral white matter seen in diffusion tensor imaging

Jame Abraham, Marc W. Haut, Maria T. Moran, Shannon Filburn, Susan Lemiuex, Hiroto Kuwabara

Research output: Contribution to journalArticle

Abstract

Purpose: The purpose of this study was to examine the effect of adjuvant chemotherapy on normal-appearing white matter in women with breast cancer. Patients and Methods: Ten patients with early-stage breast cancer who were treated with adjuvant chemotherapy and 9 age-, education-, and IQ-matched healthy controls were studied with magnetic resonance imaging. Diffusion tensor imaging was used to calculate fractional anisotropy (FA), a measure of white matter integrity. Measurements were made in the genu and splenium of the corpus callosum. Participants also completed measures of processing speed, depression, and anxiety. Results: Relative to controls, patients had slower processing speed and lower FA in the genu. Processing speed was positively correlated with FA in the genu. Conclusion: The results of this pilot study suggest that adjuvant chemotherapy affects normal-appearing white matter in the genu of the corpus callosum and that this is related to the cognitive deficits experienced by patients.

Original languageEnglish (US)
Pages (from-to)88-91
Number of pages4
JournalClinical Breast Cancer
Volume8
Issue number1
DOIs
StatePublished - Feb 2008

Keywords

  • Antiestrogen therapy
  • Cyclophosphamide
  • Doxorubicin
  • Fractional anisotropy

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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