Diagnosis is mainly based on clinical features. However, biopsy has been useful in diagnosis as well as in differentiating between the different types of the disease.
Melkersson–Rosenthal syndrome
Rosenthal–Kloepfer syndrome
Jervell and Lange-Nielsen syndrome
Mohr–Tranebjærg syndrome
Strømme syndrome
Kohlschütter-Tönz syndrome
Cruveilhier–Baumgarten disease
Galloway Mowat syndrome