Capitellum Fractures

Capitellum Fractures

(Jupiter)
Type 1-complete # (Hahn-Steinthal)
Type 2-superficial # of cartilage (Kocher-Lorenz #)-excision
Type 3-comminuted #

(McKee)
Type 4-‘coronal shear’ of capitellum +/- lateral trochlear ridge

*Treatment of osseous injury is anatomic reduction & early motion-lateral approach btwn anconeus & ECU-reduce under direct vision using Herbert or standard (sunken) screws-avoid excessive posterior dissection-tiny fragments can be excised-AVN suprisingly rare

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