Dislocation of the elbow with avulsion of the medial epicondyle

Case contributed by A.Prof Frank Gaillard


Painful elbow following fall.

Patient Data

Age: Child

Fracture-dislocation of the elbow. The capitellum and radial head ossification centres are noted. An additional ossified focus is seen on lateral projection in the trochlear groove which must represent an avulsed medial epicondyle. 


Surface-shaded CT better demonstrates the avulsion of the medial epicondylar ossification centre and adjacent bone potentially mimicking a trochlear ossification centre. 

Case Discussion

Fracture-dislocation of the elbow with avulsion of the medial epicondyle which is laterally subluxed. Remembering the order in which the elbow ossified (CRITOE) is essential. 

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Case information

rID: 10363
Published: 8th Aug 2010
Last edited: 27th Apr 2018
Tag: elbow
Inclusion in quiz mode: Included

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