A boutonnière deformity is characterised by flexion of the proximal interphalangeal (PIP) joint and hyperextension at the distal interphalangeal (DIP) joint. It is caused by disruption of the central slip.
Surgical Emergency
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A boutonnière deformity is characterised by flexion of the proximal interphalangeal (PIP) joint and hyperextension at the distal interphalangeal (DIP) joint. It is caused by disruption of the central slip.