ArticleSkeletal radiology2026
Shallowing of the bicipital groove as a sequela of long head biceps tendon tear.
Article in Skeletal radiology, 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
objectiveTo evaluate the relationship of depth of the bicipital groove at the shoulder and chronicity of long head biceps tendon tear. To assess the effect of long head biceps tendon (LHBT) tears on the depth of the bicipital groove over time on shoulder MRI. MATERIALS AND
methodsA retrospective study was conducted in two cohorts. The first cohort included age, gender, and BMI-matched patients with either a complete LHBT tear or an intact tendon on a single shoulder MRI. Bicipital groove depth was compared between these two groups. The second cohort consisted of patients with a complete LHBT tear and one or more follow-up shoulder MRIs, used to evaluate longitudinal changes in groove depth. RESULTS AND
conclusionIn the first cohort (n = 80; 40 complete LHBT tears, 40 intact tendons), the average bicipital groove depth was significantly shallower in the tear group (3.38 ± 1.23 mm) compared to the intact group (5.33 ± 0.87 mm) (p < 0.0001). In the second cohort (n = 31), initial groove depth averaged 4.94 ± 1.37 mm, decreasing to 2.47 ± 1.44 mm on follow-up MRI at an average of 40 months. The findings suggest that the morphology of the bicipital groove is maintained by the presence of an intact LHBT. Complete tears result in a gradual, measurable decrease in groove depth. Recognition of groove shallowing on MRI may serve as a secondary sign of chronic long head biceps tendon tear, aiding in diagnosis and assessment of chronicity.
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