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What Method Is Best for Detecting Prostate Cancer Metastases?
The imaging process provides the most time-efficient sequence with the highest lesion detection rate and conspicuity.
Gadolinium-enhanced T1-weighted volumetric interpolated breath-hold exam (VIBE) is best for detecting prostate cancer metastases, according to a study published in the American Journal of Roentgenology.
Researchers from Canada performed a prospective study to compare the diagnostic value of various MRI sequences used for whole-body (WB) 18F-fluorocholine (FCH) PET/MRI staging of patients with high-risk prostate cancer. The study included 58 patients with untreated high-risk prostate cancer. Ten patients underwent integrated WB FCH PET/MRI; 48 underwent FCH PET/CT and WB MRI. The researchers recorded metastatic sites and used histopathologic findings or clinical and imaging follow-up (or both) for standard of reference.
The results showed the gadolinium-enhanced T1-weighted volumetric interpolated breath-hold exam (VIBE) was the best of the four sequences:
Conspicuity of metastases on gadolinium-enhanced T1-weighted VIBE and WB DWI sequences was higher than that on Dixon T1-weighted sequences.
The researchers concluded that metastases from prostate cancer are best detected at DWI or gadolinium-enhanced T1-weighted VIBE sequences. The most time-efficient sequence with the highest lesion detection rate and conspicuity is gadolinium-enhanced T1-weighted VIBE.
Can Radiomics Bolster Low-Dose CT Prognostic Assessment for High-Risk Lung Adenocarcinoma?
December 16th 2024A CT-based radiomic model offered over 10 percent higher specificity and positive predictive value for high-risk lung adenocarcinoma in comparison to a radiographic model, according to external validation testing in a recent study.
