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Mnemonic for Appearance and Fusion of Elbow Apophyses

Appearance: CRITOE

C – capitellum (1 year)

R – radial head (5-7 years)

I – internal (medial; 5-7 years)

T – trochlea (9-11 years)

O – olecranon (9-11 years)

E – external (lateral;  10-12 years)


Fusion: CTE ROI

C – capitellum

T – trochlea

E – external (lateral)

R – radius

O – olecranon

I – internal (medial)

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