Acronym

OA - Osteoarthritis

Osteoarthritis

Degenerative joint disease; X-ray shows osteophytes, joint space narrowing, sclerosis

Expansion

Osteoarthritis

Purpose

Most common arthropathy; knee, hip, spine commonly affected

Clinical Context

Osteoarthritis findings include osteophytes (bone spurs), joint space narrowing, sclerosis, subchondral cysts. No erosions (unlike rheumatoid arthritis). Progressive degenerative changes.

  • Rheumatoid arthritis
  • Arthritis

Key Points

  • Osteoarthritis imaging shows osteophytes, joint space narrowing, sclerosis, subchondral cysts; no erosions (unlike rheumatoid arthritis)