What are the classifications of hand osteoarthritis (OA)?

Updated: Oct 12, 2020
  • Author: Carlos J Lozada, MD; Chief Editor: Herbert S Diamond, MD  more...
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Hand osteoarthritis has been classified as follows:

  • Erosive

  • Thumb base

  • Interphalangeal (with or without nodes)

  • Widespread hand

Marshall et al report that thumb base osteoarthritis tends to be most prevalent symptomatic form of hand osteoarthritis, followed by interphalangeal joint osteoarthritis. Erosive and generalized hand osteoarthritis were found in older populations and predominantly in women. Over time, erosive osteoarthritis tends to have the poorest characteristics and leads to the most disability. [67]

For more information, see Progression of Osteoarthritis.

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