ArticleThe British journal of radiology2015
A comparison of high b-value vs standard b-value diffusion-weighted magnetic resonance imaging at 3.0 T for medulloblastomas.
Article in The British journal of radiology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 23 citations in OpenAlex.
- Flow-suppressed 2D spin-echo imaging with high tolerance to BMagnetic resonance in medicine · 2026Article
- The clinical study of preoperative normalized apparent diffusion coefficient of 3.0-T MRI in predicting muscular invasion of bladder cancer.BMC medical imaging · 2025Article
- Deep learning with diffusion MRI as in vivo microscope reveals sex-related differences in human white matter microstructure.Scientific reports · 2024Article
- A practical evaluation of measures derived from compressed sensing diffusion spectrum imaging.Human brain mapping · 2024Article
- Review
- Gaussian mixture model for texture characterization with application to brain DTI images.Journal of advanced research · 2019Article
- Article
- Evaluation of Free Breathing Versus Breath Hold Diffusion Weighted Imaging in Terms Apparent Diffusion Coefficient (ADC) and Signal-to-Noise Ratio (SNR) Values for Solid Abdominal Organs.Polish journal of radiology · 2016Article
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Authors and funding
7 authors at 1 institution in 1 country.
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Abstract
objectiveTo investigate the utility of diffusion-weighted (DW) MRI using high b-value vs standard b-value for patients with medulloblastoma (MB). Minimum apparent diffusion coefficient (ADCMIN) values were also compared with tumour cellularity.
methodsHigh and standard b-value DW images were obtained for 17 patients with MB. The number and location of the lesions, signal intensities (SIs), signal-to-noise ratios (SNRs), contrast-to-noise ratios, contrast ratios (CRs) and ADCs of the lesions were compared. Tumour cellularity was also measured and compared with ADCMIN values.
resultsAll 20 lesions were hyperintense on the DW MR images with high and standard b-values. Four additional lesions were revealed on high b-value, and all 24 lesions were more conspicuous at high b-value. SI, SNR and ADC values for the lesions were lower in the high b-value images than in the standard b-value images. The ADCMIN value at b = 3000 s mm(-2) was more significantly associated with tumour cellularity than that at b = 1000 s mm(-2). CR values were significantly higher in the high b-value images than in the standard b-value images.
conclusionDW imaging using high b-value may be beneficial for detecting additional, less prominent lesions and may improve the contrast between MB lesions and normal tissue. A stronger inverse correlation with tumour cellularity was identified using the ADCMIN values at high b-value. ADVANCES IN KNOWLEDGE: This study demonstrates the superiority of high b-value DW imaging compared with standard b-value imaging for the detection of MB lesions, especially those with subtle foci.
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