Female, 20 years old. Dorsal radial wrist pain There is moderate fluid within the radiocarpal joint. A bilobed cystic structure is located dorsally centered on the radiocarpal joint, measuring proximately 6 x 3 x 4 mm (series 501, image 13; series 801, image seven). Additionally some focal intermediate signal along the dorsal aspect of the radiocarpal joint may reflect synovitis.The osseous structures are unremarkable, with normal cortical thickness and marrow signal. The visualized muscles and tendons are normal. The ligaments and triangular fibrocartilage complex are intact.
1.Small cystic structure centered on the dorsal radiocarpal joint as described above.2.Additional focal intermediate signal within the dorsal radiocarpal joint may reflect synovitis.