A triad of seizure, mental retardation and sebaceous adenoma is seen in –
Congenital syphilis
Tuberous sclerosis
Toxoplasmosis
Hypothyroidism
Tuberous sclerosis :

It is an autosomal dominant neurocutaneous syndrome.
Pathology


Characteristics brain, lesion, consists of tubers in the brain.
They are typically present in subependyneal region where they undergo calcification producing candle dripping appearance.