Knuckle Pads Differential Diagnoses

Updated: Mar 12, 2019
  • Author: Cheryl J Barnes, MD; Chief Editor: Dirk M Elston, MD  more...
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Diagnostic Considerations

Also consider the following:

  • Calluses
  • Fibromas
  • Foreign body reactions
  • Gouty tophi
  • Heberden nodules of osteoarthritis
  • Pachydermodactyly: This is reported mostly in young males and manifests as symmetrical diffuse enlargement of the phalanges of the index, middle, and ring fingers. Some consider it an unusual variant of knuckle pads. [26, 27]
  • Rheumatoid nodules [28]
  • Warts

Differential Diagnoses