Left upper extremity numbness and weakness. There are postoperative findings related to right transfrontal biopsy of the medullary and upper cervical spinal cord lesion, which has decreased in size and demonstrated considerably less enhancement. There is high T2 signal and enhancement along the biopsy tract in the right frontal lobe, but no additional lesions within the brain, There is no evidence of acute infarct. There is no midline shift or herniation. The major cerebral flow voids are grossly intact. The paranasal sinuses and orbits are unremarkable. The vertebral column alignment is within normal limits. The vertebral body and disc space heights are preserved. The vertebral bone marrow signal is unremarkable. There is no significant spinal canal stenosis. The paravertebral soft tissues are unremarkable.
Interval decrease in size and enhancement of the medulla and upper cervical spine cord lesion.