Os supratrochleare dorsale

Case contributed by Dr Charlie Chia-Tsong Hsu

Presentation

Trauma

Patient Data

Age: 20
Gender: Male
Modality: X-ray

An ovoid well corticated bone ossicle (os supratrochleare dorsale) is present in the olecranon fossa. The  os supratrochleare dorsale shows internal trabecular pattern. 

Case Discussion

In this case the patient is asymptomatic. Obermann and Loose1 in a small case series demonstrated symptomatic patients show post-traumatic changes of the os supratrochlear dorsale, while asymptomatic patients show a normal trabecular pattern (as demonstrated in the case).

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Case Information

rID: 18194
Case created: 18th Jun 2012
Last edited: 17th Dec 2015
Tags: elbow, variant
Inclusion in quiz mode: Included

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