In the Western population, there are around 3 cases of<unk>  syndrome per 1,000,000 people.<unk>  is more common in males with a ratio of 2:1, and the mean age of diagnosis is between 55 and 60 years of age.
Sézary disease
Degos disease
Fox–Fordyce disease
Ollier disease
Chandler's disease
Akureyri disease
Johnson–McMillin syndrome
Bayoud disease