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Apparent diffusion coefficient measurements in the differentiation between benign and malignant lesions: a systematic
M A Vermoolen1, T C Kwee, R A J Nievelstein
1Department of Radiology, University Medical Center, Heidelberglaan 100 HP. E.01.132, PO Box 85500, 3508 GA, Utrecht, The Netherlands, malouvermoolen@hotmail.com.
Insights Into Imaging
|June 15, 2012
Summary
Apparent diffusion coefficient (ADC) measurement shows varying success in distinguishing benign from malignant tumors across different organs. Further standardized research is needed to confirm its clinical utility for tumor characterization.
Area of Science:
- Radiology
- Oncology
- Medical Imaging
Background:
- Apparent diffusion coefficient (ADC) measurement is a non-invasive imaging technique.
- Differentiating benign from malignant lesions is crucial for patient management.
Purpose of the Study:
- To systematically review the diagnostic accuracy of ADC measurements in distinguishing benign from malignant lesions.
- To assess the organ-specific utility of ADC measurements.
Main Methods:
- Systematic literature search of Medline/Pubmed and Embase databases.
- Inclusion of 109 relevant studies.
- Quality assessment using QUADAS criteria.
- Comparison of reported ADC values across different organs.
Main Results:
- Mean study quality score was 50%.
- Significant variation in ADC values was observed among studies and lesion types.
- ADC measurements effectively differentiated benign and malignant lesions in the breast, liver, and uterus.
- ADC values showed no significant difference between benign and malignant lesions in salivary glands, thyroid, and pancreas.
Conclusions:
- The effectiveness of ADC measurement for tumor characterization varies by organ.
- Standardized acquisition protocols and complete reporting are essential for future studies.
- Well-designed research is required to establish ADC measurement as a reliable tool for differentiating benign and malignant lesions.
