What question did this study set out to answer?

Assess the feasibility of in vivo T1(rho)-weighted fast spin-echo MRI at 1.5 T for evaluating human knee articular cartilage and detecting chondral lesions.

September 1, 2001Radiology

Human Knee: In Vivo T1ρ-weighted MR Imaging at 1.5 T—Preliminary Experience

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Assess the feasibility of in vivo T1(rho)-weighted fast spin-echo MRI at 1.5 T for evaluating human knee articular cartilage and detecting chondral lesions.
Scanned the knee joints of six subjects (N=6) using a 1.5-T scanner with a T1(rho)-weighted fast spin-echo sequence.
Performed quantitative comparisons of relaxation times, dispersion, and signal-difference-to-noise ratios between T1(rho)- and T2-weighted acquisitions.
Human articular cartilage exhibited substantial T1(rho) dispersion, whereas muscle tissue showed minimal dispersion.
T1(rho)-weighted images depicted a chondral lesion with a 25% higher signal-difference-to-noise ratio than comparable T2-weighted images.

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Implication

Imaging evaluation demonstrates enhanced lesion contrast with T1-rho MRI in human knee cartilage, indicating potential utility for detecting subtle chondral and muscular abnormalities.

Cite This Study

Duvvuri et al. (2001) studied this question.

synapsesocial.com/papers/6a6cbde2f44fa9f079db5dae https://doi.org/10.1148/radiol.2203001662

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Implication

Imaging evaluation demonstrates enhanced lesion contrast with T1-rho MRI in human knee cartilage, indicating potential utility for detecting subtle chondral and muscular abnormalities.

Human Knee: In Vivo T1ρ-weighted MR Imaging at 1.5 T—Preliminary Experience

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Discussion

Implication

Cite This Study

Human Knee: In Vivo T1ρ-weighted MR Imaging at 1.5 T—Preliminary Experience

Key Points

Discussion

Implication

Cite This Study

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