This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous System, Subject name: Pediatrics
A child presented to the casualty with seizures. On examination an oval hypopigmented macules were noted on the trunk, along with sub-normal IQ. Probable diagnosis of the child is: 
Select and explain. 
A. Neurofibromatosis, B. Sturge-Weber syndrome, C. Tuberous Sclerosis, D. Incontinentia Pigmenti
C: Tuberous Sclerosis
Answer: C: Tuberous Sclerosis 
Explanation: c. Tuberous Sclerosis(Ref: Nelson's 20/e p 2877-2878, Ghai p 586)Hypopigmented macules (ash leaf macules), sub-normal IQ and seizures point towards a diagnosis of Tuberous sclerosis.