Rheumatoid arthritis can cause several deformities of the hands including swan-neck and boutonniere deformities where fingers are bent, trigger finger where fingers lock in a bent position, ulnar deviation where fingers bend toward the pinky side, and Z-deformity where the finger is bent into a Z-shape.

1. Hand Deformities
in Rheumatoid Arthritis
Group F2 Subgroup G4

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Swan- neck deformity
Boutonniere deformity
Trigger finger
Ulnar deviation
Z-deformity

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