[¹⁸F]-Fluoro-Deoxy-Glucose Positron Emission Tomography Scan Should Be Obtained Early in Cases of Autoimmune Encephalitis

Table 3

MRI and PET findings.

Patient	MRI brain findings	PET findings
1	Global atrophy out of proportion to patient’s age	NA
2	Bilateral mesial temporal lobe hyperintensity on T2/FLAIR without contrast enhancement	Left mesial temporal lobe hypermetabolism
3	Bilateral hyperintensity on T2/FLAIR in the restiform bodies bilaterally without contrast enhancement	Right temporal lobe hypermetabolism
4	Left unilateral mesial temporal lobe hyperintensity on T2/FLAIR without contrast enhancement	Left temporal lobe hypermetabolism
5	Right unilateral mesial temporal lobe hyperintensity on T2/FLAIR without contrast enhancement	Bilateral temporal lobe hypermetabolism
6	Right unilateral mesial temporal lobe hyperintensity on T2/FLAIR without contrast enhancement	Bilateral temporal lobe hypermetabolism
7	Unremarkable brain	Bilateral temporal lobe hypermetabolism