ArticlePolish journal of radiology2026
Abbreviated MRI protocol in breast cancer diagnosis: comparison with the full diagnostic protocol.
Article in Polish journal of radiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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8 authors.
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Abstract
Purpose: Full diagnostic protocol breast magnetic resonance imaging (FDP-MRI) provides good sensitivity but is constrained by long acquisition times and high costs. Abbreviated magnetic resonance imaging (AMRI) protocols have been proposed to overcome these limitations. This study aimed to develop and validate AMRI protocols and evaluate their diagnostic performance against FDP-MRI in breast cancer diagnosis. Material and methods: This retrospective study included 220 women (mean age, 51.4 ± 11.3 years) with ultrasonography-detected lesions, who underwent FDP-MRI from September 2021 to September 2024. Three AMRI protocols were derived: non-contrast (NC)-AMRI: T2-weighted imaging + diffusion-weighted imaging (DWI); dynamic contrast-enhanced (DCE)-AMRI A: first post-contrast subtracted (FAST) + maximum-intensity projection (MIP); and DCE-AMRI B: FAST + MIP + DWI. Two radiologists, blinded to pathology, independently interpreted all protocols and classified lesions using the Breast Imaging Reporting and Data System (category ≥ 4 considered positive). Diagnostic performance was compared using Cochran's Q with post-hoc McNemar tests. Receiver operating characteristic curve and areas under the curve (AUCs) were analysed by DeLong's test. Results: Acquisition times differed significantly between the protocols (FDP-MRI: 16 min 5 s; NC-AMRI: 4 min 20 s; DCE-AMRI A: 2 min 41 s; DCE-AMRI B: 6 min 35 s; all Conclusions: The DCE-AMRI B protocol represents a time-efficient alternative to FDP-MRI, particularly suitable for women with limited tolerance to prolonged prone positioning, offering improved clinical accessibility and workflow efficiency without compromising diagnostic performance.
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