Table 3:

Clinical Indication for Magnetic Resonance Imaging

MRI Indication*	All Patients (n = 140)
Acute neurologic dysfunction, n (%)	90 (64%)
Seizures, encephalopathy, concern for PRES, or progression of oncologic disease	50 (36%)
Infectious or inflammatory process	21 (15%)
Concern for vascular injury or stroke	18 (13%)
Other#	9 (6%)
Unclear indication	1 (1%)
No acute neurologic dysfunction &	50 (36%)

^*Up to two indications included per patient.

^#Evaluation for hydrocephalus, intracranial hypertension, cerebral edema or trauma

^&Includes images obtained for: planned follow up, post-injury prognostication, oncologic staging, or evaluation for a chronic or prior condition

MRI = magnetic resonance imaging, PRES = posterior reversible encephalopathy syndrome.