Patients with acute inversion-type ankle sprain were divided into three equal groups based on MRI timing: hyperacute (0–7 days), subacute (8–21 days), and late (>21 days).
Abstract
Background: This study aimed to investigate the impact of magnetic resonance imaging (MRI) timing on radiological findings and diagnostic interpretability in patients with acute lateral ankle sprain. Methods: In this retrospective observational cohort study, 75 adult patients with acute inversion-type ankle sprain were divided into three equal groups based on MRI timing: hyperacute (0–7 days), subacute (8–21 days), and late (>21 days). All MRIs were performed using a 3.0T scanner and evaluated by a blinded musculoskeletal radiologist. Ligament integrity, bone marrow edema, joint effusion, and soft tissue edema were assessed, along with a 3-point diagnostic interpretability scale. Multivariate analyses adjusted for age, sex, and clinical severity.Results: ATFL tear classification differed significantly across groups (p
MRI findings indicate a multifaceted pathophysiology, underscoring the importance of individualized treatment strategies in cases where bone bruises are present on the talocrural joint surface, midfoot immobilization and a temporary period of non–weight-bearing may be appropriate considerations.
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