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3T MR articular cartilage maps prove their worth
With the incidence of arthritis and other musculoskeletal diseases set to double in the next two decades, clinicians will welcome new quantitative 3T MRI strategies for assessing cartilage and chondral lesions.
With the incidence of arthritis and other musculoskeletal diseases set to double in the next two decades, clinicians will welcome new quantitative 3T MRI strategies for assessing cartilage and chondral lesions.
Two approaches have shown progress, said Dr. Bruce Forster, an associate professor of radiology at the University of British Columbia in Vancouver. One involves T2 mapping sequences that can evaluate the integrity and orientation of a collagen network. The other is a T1/T2 delayed gadolinium-enhanced MRI of cartilage (dGEMRIC). It is sensitive to changes in the proteoglycan content of cartilage, he said.
A multicenter study by European researchers demonstrated that T2 mapping performed on a 3T scanner can monitor the success of autologous cartilage transplantation (Invest Radiol 2007;42[6]:442-448). A separate study by Finnish researchers concluded that the combination of T2 mapping and T2 dGEMRIC imaging may be better than either approach alone for tracking cartilage repair (Osteoarthritis Cartilage 2007;15[4]:372-378).
"Our lab is assessing a commercial product for its utility in cartilage imaging, which can be read quickly and easily coregistered with anatomic images." Forster said.
MRI or Ultrasound for Evaluating Pelvic Endometriosis?: Seven Takeaways from a New Literature Review
September 13th 2024While noting the strength of MRI for complete staging of disease and ultrasound’s ability to provide local disease characterization, the authors of a new literature review suggest the two modalities offer comparable results for diagnosing pelvic endometriosis.
Diffusion-Weighted MRI and Neoadjuvant Chemotherapy for Rectal Cancer: What New Research Reveals
September 3rd 2024In a comparison of imaging assessments to gauge the effectiveness of neoadjuvant chemotherapy for rectal adenocarcinoma, researchers found the combination of diffusion-weighted imaging and MR tumor regression grading had a 90 percent area under the curve (AUC) and a negative predictive value (NPV) of 93 percent.
FDA Expands Clearance of MRI-Guided AI Platform for Deep Brain Stimulation and Lesioning Techniques
September 3rd 2024Utilizing a new machine learning model, the OptimMRI software may improve radiosurgery applications and lesioning techniques such as MRI-guided focused ultrasound through enhanced targeting of the inferolateral part of the ventral intermediate nucleus (VIM).
