Motion artifacts, lesion type, and parenchymal enhancement in breast MRI: what does really influence diagnostic accuracy?
BackgroundMotion artifacts can reduce image quality of breast magnetic resonance imaging (MRI). There is a lack of data regarding their effect on diagnostic estimates.PurposeTo evaluate factors that potentially influence readers? diagnostic estimates in breast MRI: motion artifacts; amount of fibrog...
Gespeichert in:
| Hauptverfasser: | , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
2019
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| In: |
Acta radiologica
Year: 2018, Jahrgang: 60, Heft: 1, Pages: 19-27 |
| ISSN: | 1600-0455 |
| DOI: | 10.1177/0284185118770918 |
| Online-Zugang: | Verlag, Volltext: https://doi.org/10.1177/0284185118770918 Verlag, Volltext: https://journals.sagepub.com/doi/10.1177/0284185118770918 
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| Verfasserangaben: | Paola Clauser, Matthias Dietzel, Michael Weber, Clemens G Kaiser, Pascal AT Baltzer |
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| 245 | 1 | 0 | |a Motion artifacts, lesion type, and parenchymal enhancement in breast MRI |b what does really influence diagnostic accuracy? |c Paola Clauser, Matthias Dietzel, Michael Weber, Clemens G Kaiser, Pascal AT Baltzer |
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| 520 | |a BackgroundMotion artifacts can reduce image quality of breast magnetic resonance imaging (MRI). There is a lack of data regarding their effect on diagnostic estimates.PurposeTo evaluate factors that potentially influence readers? diagnostic estimates in breast MRI: motion artifacts; amount of fibroglandular tissue; background parenchymal enhancement; lesion size; and lesion type.Material and MethodsThis Institutional Review Board-approved, retrospective, cross-sectional, single-center study included 320 patients (mean age?=?55.1 years) with 334 histologically verified breast lesions (139 benign, 195 malignant) who underwent breast MRI. Two expert breast radiologists evaluated the images considering: motion artifacts (1?=?minimal to 4?=?marked); fibroglandular tissue (BI-RADS FGT); background parenchymal enhancement (BI-RADS BPE); lesion size; lesion type; and BI-RADS score. Univariate (Chi-square) and multivariate (Generalized Estimation Equations [GEE]) statistics were used to identify factors influencing sensitivity, specificity, and accuracy.ResultsLesions were: 230 mass (68.9%) and 59 non-mass (17.7%), no foci. Forty-five lesions (13.5%) did not enhance in MRI but were suspicious or unclear in conventional imaging. Sensitivity, specificity, and accuracy were 93.8%, 83.4%, and 89.8% for Reader 1 and 95.4%, 87.8%, and 91.9% for Reader 2. Lower sensitivity was observed in case of increased motion artifacts (P?=?0.007), non-mass lesions (P? | ||
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