<prompt> Adenoma sebaceum is a characteristic of WofTuberous sclerosisNeurofibromatosisXanthomatosisIncontinentia pigmenti  <response>: TUBEROUS SCLEROSIS Cutaneous manifestations Angiofibromas previously called adenoma sebaceum:- Most frequent manifestation, seen in almost 90 of patients. Appear in childhood and enlarge at pubey hence the misnomer sebaceum. Reddish brown, smooth, dome-shaped papules with telangiectasis. Symmetrically, on nose, nasolabial folds, cheeks. Ref:- Neena khanna; pg num:-32,33 