The diagnosis of a patient presenting with Seizures, Mental retardation and Sebaceous adenoma is:
Hypothyroidism
Tuberous sclerosis
Toxoplasmosis
Down syndrome
Answer is B (Tuberous Sclerosis): Neurological features of seizures and mental retardation together with cutaneous manifestations in the form of sebaceous adenomas are characteristic of the neurocutaneous syndrome of Tuberous sclerosis.