Psoriasis ultrasound

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Syed Hassan A. Kazmi BSc, MD [2]

Overview

There are no ultrasound findings associated with cutaneous psoriasis but ultrasound may be used as a bedside tool to visualize joints in psoriatic arthritis.

Ultrasound

Ultrasound in psoriatic arthritis may show the following abnormalities:

• Synovitis
• Tenosynovitis
• Peritendinitis
• Retrocalcaneal or pre-Achilles bursitis

Arrow: Joint erosion, 1. Metacarpal, 2. Phalanx, 3. Extendor tendon, 4. Joint cavity