Associations<unk> s have been observed in a variety of genetic disorders including Turner syndrome, myotonic dystrophy, Rubinstein-Taybi syndrome, Trisomy 9, and Gardner syndrome. It has been reported that the prevalence of<unk> s in Turner syndrome is 2.6%. Hybrid cysts that are composed of epidermal inclusion cysts and<unk> -like changes have been repeatedly observed in Gardner syndrome. This association has prognostic import, since cutaneous findings in children with Gardner Syndrome generally precede colonic polyposis.
Pilomatricoma
Thecoma
Ceruminous adenoma
Basal cell adenoma
Papillary hidradenoma
Trichofolliculoma
Nevus of Ota
Sebaceous adenoma