How is Osteoarthritis classified?
Primary, idiopathic OA
- • Localized
- • Hands (DIP, PIP, and first CMC joints): nodal OA
- • Hands (DIP, PIP, and first CMC joints): EOA, inflammatory OA
- • Feet (first MTP joint)
- • Hip
- • Knee
- • Spine
- • Generalized (also called Kellgren’s syndrome)
- Secondary OA
