T1/T2-weighted Ratio to Improve MRI-guided Focused Ultrasound–induced Chronic Lesion Contrast in Patients with Tremor Syndrome
Year: 2025
Type: article
Abstract: < .001). Similar results were found in patients with tremor recurrence (median NC at T1/T2-weighted ratio imaging, 45.2% [IQR, 14%-64%]; median NC at T2-weighted imaging, 25.3% [IQR, 9%-31%]). T1/T2-weighted ratio imaging had higher between-evaluator agreement (ICC = 0.94) than T2-weighted imaging (ICC = 0.81; 95% CI for the difference: 0.01, 0.32). Lesion VLpv overlap was positively correlated with tremor relief in patients with ET (T2-weighted imaging: ρ = 0.47 [95% CI: 0.10, 0.74]; T1/T2-weighted ratio: ρ = 0.53 [95% CI: 0.13, 0.76]) and TDPD (T2-weighted imaging: ρ = 0.42 [95% CI: 0.08, 0.67]; T1/T2-weighted imaging ratio: ρ = 0.48 [95% CI: 0.17, 0.66]). Conclusion T1/T2-weighted ratio imaging substantially improved chronic lesion NC compared with T2-weighted imaging, reducing interobserver variability and measurement error. © RSNA, 2025
Source: Radiology
Language: English
Subfield: Biomedical Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W4417384028