Frontal
Modality: Diagram (Frontal)

- “ The pencil-in-cup deformity is a common radiographic feature of psoriatic arthritis. See article for more information. ”

Used in the following article:

  • Psoriatic arthritis - “ Psoriatic arthritis (PsA) is an inflammatory arthritis associated with psoriasis. It is usually negative for rheumatoid factor, and hence classifi...”
  • Pencil-in-cup deformity - “ Pencil-in-cup deformity is the description given to one of the appearances on plain radiograph in psoriatic arthritis. The appearance results fro...”

View full size version of Pencil-in-cup deformity (illustrations)

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