ArticleJournal of orthopaedic research : official publication of the Orthopaedic Research Society2026
Radiograph-Based Radiomics Successfully Classify MRI-Based Identification of Femoral Loosening in Patients With Total Hip Arthroplasty-A Preliminary Study.
Article in Journal of orthopaedic research : official publication of the Orthopaedic Research Society, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Not yet cited in PubMed.
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Corrections and comments
- Erratum issued
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5 authors.
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Abstract
Aseptic loosening is a leading cause of total hip arthroplasty (THA) revision. While three dimensional (3D) multi-spectral magnetic resonance imaging (MSI-MRI) offers high sensitivity for detecting femoral stem loosening, it is less commonly acquired at routine follow-up. This study investigates whether radiograph-based radiomics can detect loosening confirmed by MSI-MRI, improving routine evaluation of implant integration. In this cohort study, 3D MSI-MRI acquisitions and standard AP pelvis radiographs were obtained from 38 symptomatic subjects with confirmed femoral component loosening and 40 asymptomatic subjects. Loosening was identified through qualitative evaluation of MSI-MRI. A 2.5 mm periprosthetic region was segmented from radiographs and divided into six Gruen zones. Radiographs were subdivided into overlapping patches (10 × 10 to 150 × 150 mm
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