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Tracking the Mammary Architectural Features and Detecting Breast Cancer with Magnetic Resonance Diffusion Tensor Imaging
Published on: December 15, 2014
Technical aspects of breast MRI--do they affect outcomes?
Ruth Warren1, Stefano Ciatto, Petra Macaskill
1Department of Radiology, University of Cambridge, Addenbrooke's Hospital, Cambridge, CB2 0QQ, UK. Rmlw2@cam.ac.uk
European Radiology
|February 28, 2009
Summary
Technical details in breast MRI studies for detecting additional breast cancer lesions are inconsistently reported. This variability impacts diagnostic performance assessment, highlighting a need for improved reporting standards in breast MRI research.
Area of Science:
- Radiology
- Medical Imaging
- Oncology
Background:
- Assessing ipsilateral breast cancer often involves magnetic resonance imaging (MRI) to detect additional lesions.
- The diagnostic performance of breast MRI can be influenced by technical parameters and reporting quality.
- Inconsistent reporting of technical details hinders a thorough evaluation of study findings.
Purpose of the Study:
- To systematically review breast MRI studies to assess the effect of technical details on diagnostic performance.
- To identify key technical parameters and reporting elements that influence the accuracy of breast MRI in detecting additional ipsilateral breast cancer.
- To highlight deficiencies in the reporting of breast MRI studies and recommend improvements.
Main Methods:
- Systematic review of 19 publications involving 2,801 breasts.
- Extraction of technical details including slice thickness, repetitions after contrast injection, and Tesla strength.
- Statistical analysis using summary ROC models, TP:FP ratio, and PPV with random-effects logistic regression.
Main Results:
- No significant association was found between slice thickness, number of sequences after contrast, or year of study and diagnostic performance (TP:FP ratio).
- Weak evidence suggested a potential association between diagnostic performance and the time period of the study (P = 0.09), but no clear trend was observed.
- Significant omissions in reporting were noted, including examination of both breasts (60%), patient position (49%), and imaging planes used (25%).
Conclusions:
- Current reporting standards for breast MRI studies are inadequate, with critical technical information frequently omitted.
- The inconsistency in reporting technical parameters complicates the assessment of diagnostic performance and limits the reproducibility of findings.
- There is an urgent need for standardized and comprehensive reporting guidelines for breast MRI research to enhance the reliability and comparability of studies.
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