Observational studyRadiology and oncology2026
Predictive value of elastography (Shear-Wave and Elasticity Index) in differentiating benign from malignant breast lesions: a retrospective study in Peru.
Observational study in Radiology and oncology, 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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Abstract
backgroundEvidence on the usefulness of quantitative elastography in the characterization of breast lesions remains limited in Latin America and scarce in Peru. This study aims to fill a relevant scientific gap by establishing specific cut-off points to optimize diagnostic interpretation and improve accuracy in differentiating benign from malignant lesions. PATIENTS AND
methodsAn observational, retrospective, and analytical study was conducted in 189 patients who underwent breast elastography between October 2024 and September 2025. Clinical and radiological variables were analysed. Bivariate tests and multivariate binary logistic regression were applied to identify independent predictors of malignancy. The cut-off points were determined
resultsOf the 85 lesions with histopathological confirmation, 54 (63.5%) were malignant, and 31 (36.5%) were benign. Malignant lesions presented significantly greater values of the elastography index (2.5
conclusionsThis study represents one of the first examples of Peruvian evidence contributing scientific information on the application of quantitative elastography in the evaluation of breast lesions.
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