ArticleJournal of hip preservation surgery2026
Supraacetabular fossa is more prevalent in acetabular protrusion than in dysplastic hips.
Article in Journal of hip preservation surgery, 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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6 authors.
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Abstract
The supraacetabular fossa (SAF) is a bony fossa in the acetabular roof's load-bearing region. Its role in acetabular development and hip morphology remains unclear, with potential implications for hip preservation procedures. We aimed to (i) determine the prevalence of SAF by age, (ii) measure its dimensions in patients with hip pain undergoing magnetic resonance (MR) arthrogram, and (iii) assess associations between SAF and acetabular or femoral morphologies. We performed a retrospective analysis of patients with hip pain who underwent MR arthrograms. SAF were classified as type 1 (unfilled) or type 2 (cartilage-filled), and its dimensions measured. Acetabular and femoral morphology were assessed on radiographs, and hips were categorized into 13 morphology groups. 697 hips from 615 patients were included. SAF was present in 10.9% (76/697) of hips, with affected patients being younger (24.3 ± 7.6 years) than those without SAF (31.8 ± 11.2 years,
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