<prompt> Koenens tumor is seen inIchthyosisTuberous sclerosisNeurofibromatosisSturge weber syndrome  <response>: Ans- B. Periungual fibromas Koenens tumors:- Present in 20 of patients of tuberous sclerosis. Develop in adult life. o Small, pink, sausage-shaped growths arising from under the nail folds; may distort the nail plate. 