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Congenital shortness of the costocoracoid ligament is a rare anomaly characterized by fixation of the scapula to the first rib, resulting in a cosmetic deformity with rounding of the shoulders and loss of the anterior clavicular contour.
Features include: Abnormal scapula morphology, Down-sloping shoulders, and Abnormality of the shoulder girdle musculature.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for congenitally short costocoracoid ligament.
1 publication has been identified in PubMed for congenitally short costocoracoid ligament. Research spans Case Report / Case Series (100%).
Triplett H (2025). [PMID: 40402064](https://pubmed.ncbi.nlm.nih.gov/40402064/). *Clinical practice and cases in emergency medicine*. [Case Report / Case Series]
Data assembled from 5 of 12 sources · Last updated Sep 18, 2026, 12:00 AM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center