Table 1. Frequency and demographic distribution of diseases.

Diagnosis (n)	Percentage of total cases (n=65)	Age or age range (years)	Sex distribution
Infective diseases
Herpes encephalitis (15)	23	34–55	10M, 5F
Congenital CMV infection (2)	3	8–11	1M, 1F
Epileptic syndrome
Mesial temporal sclerosis (10)	15.3	8–27	6M, 4F
Neurodegenerative
Alzheimer's disease (7)	10.7	58–65	5M, 2F
Frontotemporal dementia (2)	3	61–64	2F
Myotonic dystrophy (1)	1.5	27	1M
Neoplastic
Gliomatosis cerebri (9)	13.8	33–64	6M, 3F
Metabolic
MELAS (7)	10.7	10–22	5M, 2F
Wilson's disease (1)	1.5	10	1M
Hyperammonemia (1)	1.5	61	1F
Dysmyelinating disease
MLC (6)	9.2	6–20	5M, 1F
Vascular
CADASIL (2)	3	31–35	1M, 1F
Paraneoplastic disorder
Limbic encephalitis (2)	3	25–32	2M

CADASIL, cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy; CMV, cytomegalovirus; F, female; M, male; MELAS, mitochondrial encephalopathy, lactic acidosis and stroke-like episodes; MLC, megalencephalic leukoencephalopathy with subcortical cysts.