Koener's tumor are seen in?
Tuberous sclerosis
Neurofibromatosis
VHL
NF
Ans. (a) Tuberous sclerosis(Ref: Robbins 9th/pg 516)Ungual fibromas or Koenen's tumors are angiofibromas which occur in the lateral nail groove, along the proximal nail fold or under the nail. They are seen in Tuberous Sclerosis
Central Nervous System