Patient presents with left radial wrist swelling and nodule on thumb extensor tendon; evaluate for tenosynovitis or tendon rupture. LIGAMENTS: The scapholunate and lunotriquetral ligaments are intact.TRIANGULAR FIBROCARTILAGE COMPLEX: The triangular fibrocartilage complex is intact.TENDONS: There is mild interstitial tearing of the extensor pollicis brevis tendon along with signal changes surrounding the extensor pollicis brevis and abductor pollicis longus tendons, consistent with tenosynovitis. Mild subcutaneous edema is noted in the surrounding soft tissues. Flexor tendons are intact. BONES: There is no acute fracture.ADDITIONAL
Mild interstitial tearing of the extensor pollicis brevis tendon along with mild tenosynovitis of the extensor pollicis brevis and abductor pollicis longus tendons.