Hyperglycemic hemianopia: A case report

Table 1 Clinical, laboratory, radiographic and electroencephalogram features

	All patients (n = 27)	Our patient
Female-male ratio	1:2	-
Age at onset, yr, mean ( ± SD)	56 (± 14)	54
Range	28-83	-
Patients with previous known diabetes mellitus, %	55.6	No
Visual hallucination, %	85.2	Yes
Headache, %	44.4	No
Blood glucose, mg/dL, mean ( ± SD) (26/27 patients, one patient’s blood glucose was recorded ≥ 1000)	468 (± 159)	645
Plasma osmotic pressure, mOsml/L, mean (± SD) (reported for 22/27 patients)	312 (± 24)	302.8
Brain MRI (reported for 22/27 patients)
Normal, %	18.2	No
Occipital lobe lesion, %	77.3	Yes
Decreased T2 signal of the white matter, %	63.6	Yes
Gyral hyperintensity, %	31.8	No
Gyral swelling or increasing thickness over the cortex, %	27.3	No
Restricted diffusion, %	36.4	Yes
EEG (reported for 25/27 of patients)
Normal, %	4	No
Slowing activity without epileptiform discharges, %	20	Yes
Epileptiform discharges,%	76	No
Patients with visual field returned to normal (reported for 25/27 of patients), %	96	Yes
Patients seizure-free, %	100	Yes

MRI: Magnetic resonance imaging; EEG: Electroencephalogram.