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European Radiology

, Volume 18, Issue 5, pp 1058–1064 | Cite as

Diffusion-weighted MRI in cervical cancer

  • Patrick Z. McVeigh
  • Aejaz M. Syed
  • Michael Milosevic
  • Anthony Fyles
  • Masoom A. HaiderEmail author
Urogenital

Abstract

The purpose was to investigate the potential value of apparent diffusion coefficient (ADC) measurement with MRI in the assessment of cervix cancer. Diffusion-weighted MRI was performed in 47 patients with cervical carcinoma undergoing chemoradiation therapy and 26 normal controls on a 1.5-T system with a b-value of 600 s/mm2. FIGO stage, tumor volume, nodal status, interstitial fluid pressure (IFP) and oxygen measurements were recorded. Response was defined as no visible tumor 3–6 months following completion of therapy. The average median ADC (mADC) of cervical carcinomas (1.09±0.20×10−3 mm2/s) was significantly lower than normal cervix (2.09±0.46×10−3 mm2/s) (P<0.001). There was no correlation between mADC, nodal status, tumor volume, IFP or oxygen measurements. mADC was significantly lower in FIGO stages T1b/T2a (0.986 × 10−3 mm2/s) compared to T2b (1.21×10−3 mm2/s) and T3/T4 (1.10×10−3 mm2/s) (P<0.001). In patients with squamous carcinomas the 90th percentile of ADC values was lower in responders than non-responders (P<0.05). Median ADC in cervix carcinoma is significantly lower compared to normal cervix. ADC may have predictive value in squamous tumors, but further long-term study will determine the ultimate clinical utility.

Keywords

Apparent diffusion coefficient Magnetic resonance Cervical cancer Cervix Uterus 

Notes

Acknowledgements

This research has been supported by a grant from the National Cancer Institute of Canada and funds from The Terry Fox Run.

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Copyright information

© European Society of Radiology 2007

Authors and Affiliations

  • Patrick Z. McVeigh
    • 1
  • Aejaz M. Syed
    • 2
  • Michael Milosevic
    • 3
  • Anthony Fyles
    • 3
  • Masoom A. Haider
    • 1
    Email author
  1. 1.Department of Medical ImagingUniversity of Toronto, University Health Network, Princess Margaret HospitalTorontoCanada
  2. 2.Department of RadiologyThe Queen Elizabeth HospitalKing’s LynnUK
  3. 3.Department of Radiation OncologyUniversity Health Network, Princess Margaret HospitalTorontoCanada

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