Coraco-clavicular joints with situs inversus
Routine health check up
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Enlarged conoid tubercle of the clavicle is seen to articulate with tubercle on the dorsomedial surface of the coracoid process - Bilateral coraco-clavicular joints – normal variant.
The heart is positioned inversely with right sided aortic arch and gastric shadow, suggestive of dextrocardia with situs inversus.
Special thanks: Dr Anand H K.
Coracoclavicular joint is a true synovial diarthrosis and is a genetically determined anatomical structure. Usually asymptomatic.
However they are prone to develop marginal osteophytic lipping, leading to shoulder pain.
Radiologists must try look for this joint, in the differential diagnosis of unexplained shoulder pain.