37-year-old female with left arm and wrist weakness, tingling. Negative EMG. There is no acute fracture or dislocation. Bone marrow signal intensity is within normal limits. There is no evidence of muscular atrophy or soft tissue edema. There is a ganglion cyst in the wrist adjacent to the distal ulna. The cyst measures 1.1 x 0.6 cm on series 3, image 40 but does not appear to involve the ulnar nerve in Guyon's canal. The imaged portions of the median and ulnar nerves are unremarkable.
1.No evidence of soft tissue injury or abnormality involving the visualized median and ulnar nerves.2.Ganglion cyst in the wrist adjacent to the distal ulna without nerve involvement. 