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At the time the article was created Henry Knipe had no recorded disclosures.View Henry Knipe's current disclosures
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Patella cubiti, also known as os sesamoideum tricipitale is a very rare anomaly of the elbow, presenting as a sesamoid within the distal triceps brachii tendon. Its exact etiology is unknown with congenital, developmental and post-traumatic theories postulated 1.
May be asymptomatic or present with limitation of movement of the elbow 2.
- lateral elbow projection: has a similar appearance to the patella; well-corticated with smooth rounded edges with an otherwise normal elbow joint 1
- non-union of an olecranon fracture
- non-union of olecranon epiphysis has been documented in skeletally immature patients 4