Bouchard's node

Introduction

Erosion of proximal interphalangeal (PIP) joints accompanied by bony overgrowth, pathognomonic for osteoarthritis. They are less common than Heberden's nodes. They are generally hard & painless.

More general terms

• abnormal morphologic structure (malformation)

Additional terms

• Heberden's node
• nodal osteoarthritis (of the fingers)
• osteoarthritis (OA)