Most cases have been diagnosed in Latin America with five of the thirty-four being from Brazil. Two of these Brazilians are related by blood (consanguinity) suggesting the possibility of Mendelian inheritance. There has been one case of a Japanese patient with<unk>  so far. Two Armenian cases and two from Europe have been identified, signaling that the perceived prevalence in Latin America may be short-lived as better diagnostic techniques and information about this syndrome become more widespread.
Gómez–López-Hernández syndrome
Naegeli–Franceschetti–Jadassohn syndrome
Arakawa's syndrome II
Löffler's syndrome
Lucey–Driscoll syndrome
Grisel's syndrome
Wissler's syndrome
Sanjad-Sakati syndrome