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Start free with EleplanCongenitally short costocoracoid ligament
ORPHA:2391Malformation syndrome
What it is
A rare thoracic malformation characterized by fixation of the scapula to the first rib by a congenitally short costocoracoid ligament, leading to limited rotation or retraction of the scapula, as well as rounding of the shoulders and loss of the anterior clavicular contour. There have been no further descriptions in the literature since 1989.
Key facts
- Prevalence
- <1 / 1 000 000
- Age of onset
- Infancy, Neonatal
- Inheritance
- Autosomal dominant
- Classified as
- Malformation syndrome
Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.
ICD-10 codes
ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
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