Recent Chiari surgery: apnea. There are postoperative findings related to Chiari decompression surgery. There is minimal high TY2 signal in the inferior cerebellar hemispheres bilaterally. There is no evidence of acute infarct. The supratentorial brain parenchyma appears unremarkable. The ventricles and basal cisterns are normal in size and configuration. There is no midline shift. The major cerebral flow voids are intact. The orbits are grossly unremarkable.
Postoperative findings related to Chiari decompression surgery without evidence of brainstem lesions.