This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
Adenoma sebaceum is a feature of – 
Select and explain. 
A. Neurofibromatosis, B. Tuberous sclerosis, C. Xanthomatosis, D. Incontinenetia pigmenti
B: Tuberous sclerosis
Answer: B: Tuberous sclerosis 
Explanation: Adenoma sebaceum is the most common manifestation of tuberous sclerosis.
Ash leaf macules are the earliest manifestation, being present at birth.