A 80-year-old female with PsA.
a) Axial section of DECT Iodine Map shows contrast enhancement to the palmar structures of the MCP joint such as the enthesis of flexor pollicis brevis, adductor pollicis muscle and abductor pollicis brevis (yellow arrow), the volar plate. (arrowhead), the flexor tendon (red arrow), and the medial collateral ligament (yellow arrow head).
b) Axial section of PDWI from cadaveric finger delineate corresponding structures.