proximal interphalangeal (PIP) joint

Introduction

Joint connecting proximal & middle phalanges.

Pathology

• joint commonly affected in osteoarthritis
• rash with papules & plaques over proximal interphalangeal joints (Gottron's papules) in dermatomyositis*

* rash with papules & plaques over the knuckles (metacarpophalangeal joints) & proximal interphalangeal joints (Gottron's papules) in dermatomyositis

More general terms

• synovial joint (diarthrosis)

Component of

• finger/fingers