<unk>  is estimated to occur at a frequency between 1 person in 100,000 to 1 person in 1,000,000 individuals worldwide.
McCune–Albright syndrome
Lightwood–Albright syndrome
Alström syndrome
Young–Madders syndrome
Multiple endocrine neoplasia type 1
Wilson–Turner syndrome
Multiple endocrine neoplasia type 2
Wolcott–Rallison syndrome