Thumb deformities rheumatoid classification

RHEUMATOID THUMB CLASSIFICATION
I Boutonniere IA MP and IP passively correctable
IB MP flexion contracture , IP correctable
IC MP flexion and IP extension contractures
II Combination I and III IP hyperextension, MP flexion
CMC subluxation or dislocation
III Swan IIIA Minimal CMC deformity, MP correctable
IIIB CMC subluxation, MP correctable
IIIC CMC dislocation, MP extension contracture
IV Gamekeeper's CMC adduction contracture
MP abduction contracture

Classification Home Page