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Research summary · 4 h ago

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Improved Detection of Cortical Lesions in MS Using IR-SWIET in 20 Patients

In a study involving 20 persons with MS, Inversion Recovery Susceptibility Weighted Imaging with Enhanced T2 Weighting (IR-SWIET) was found to improve the detection of subpial cortical lesions compared to traditional T1/T2 ratio imaging. Median lesions identified with IR-SWIET×2 were significantly greater than with T1/T2 methods.

Tags: #Imaging
Most relevant to: —
Source: Read original source (PMID 42845575)

This plain-English summary was written by AI from a published abstract and may contain errors. It is not medical advice. Read the original study and talk to your MS team before making decisions about treatment.

Why it matters

This research matters as it provides a potentially better imaging technique for detecting cortical lesions in MS, which could improve our understanding of the disease and treatment planning.

What this does not prove

However, the study does not establish any long-term clinical outcomes or how improved detection relates to patient disability.

Next milestone

No next milestone was established from the available source.

Study facts

Study design: Not reported
Participants / samples: 20 · number of persons with MS (pwMS) evaluated for cortical lesions
Randomised: Not reported
Controlled: Not reported
Primary endpoint met: Not reported
Relevant MS type: Not reported
Publication date: 2026-08-10
Evidence reviewed: Abstract only
Regulatory approval: Not reported
Research areas: Imaging

Original sources

Primary evidenceIncreased subpial cortical lesion detection at 3 tesla using Inversion Recovery Susceptibility Weighted Imaging with Enhanced T2 Weighting (IR-SWIET). ↗DOI: 10.64898/2026.08.07.26359605

Supporting passages (10)

sample size20

sample size basisMETHODS: Cortical lesions were identified in 20 persons with MS (pwMS) independently on six image sets: T 1 weighted (w) magnetization prepared 2 rapid acquisition gradient echoes (MP2RAGE) + T 2 w fluid attenuated inversion recovery (FLAIR) alone or with T 1 /T 2 , IR-SWIET single acquisition (×1), average of two (×2) or median of four (×4) acquisitions, or denoised single acquisition (IR-SWIET×1DN).

research categoriesImaging

publication date2026-08-10

interventionInversion recovery susceptibility weighted imaging with enhanced T 2 weighting (IR-SWIET) and T 1 /T 2 ratio imaging have been proposed for cortical lesion detection on 3 tesla (T) MRI.

primary endpointCONCLUSIONS: IR-SWIET, but not T 1 /T 2 , improves subpial cortical lesion detection.

findingsCONCLUSIONS: IR-SWIET, but not T 1 /T 2 , improves subpial cortical lesion detection.

findingsRESULTS: Median subpial lesions identified on MP2RAGE + FLAIR was 0 (interquartile range (IQR) 2) vs 0 with T 1 /T 2 (IQR 1, p=0.07), 1 with IR-SWIET×1 (IQR 6, p=0.42), 5 with IR-SWIET×2 (IQR 5, p=0.008), 4 with IR-SWIET×4 (IQR 6, p=0.008), and 4 with IR-SWIET×1DN (IQR 6, p=0.008).

findingsMETHODS: Cortical lesions were identified in 20 persons with MS (pwMS) independently on six image sets: T 1 weighted (w) magnetization prepared 2 rapid acquisition gradient echoes (MP2RAGE) + T 2 w fluid attenuated inversion recovery (FLAIR) alone or with T 1 /T 2 , IR-SWIET single acquisition (×1), average of two (×2) or median of four (×4) acquisitions, or denoised single acquisition (IR-SWIET×1DN).

limitationsTitle: Increased subpial cortical lesion detection at 3 tesla using Inversion Recovery Susceptibility Weighted Imaging with Enhanced T2 Weighting (IR-SWIET).

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