Male, 25 years old, history of lymphoma, complaining of nighttime and morning pressure headaches and pins-and-needles tingling down the right arm. The cerebral and cerebellar hemispheres and brainstem show normal signal intensity and morphology. No restricted diffusion is seen.No evidence of parenchymal edema, mass, or mass effect is seen. There is no evidence of intracranial hemorrhage or abnormal extra-axial fluid. No abnormal parenchymal or extra-axial enhancement is detected. The ventricular system is normal in caliber and morphology. Bone marrow signal characteristics are unremarkable. A mucous retention cyst is evident in the right maxillary sinus.
Unremarkable evaluation of the brain with no specific findings to account for the patient's symptoms.