<unk>  may recur intermittently after its first appearance. It can become a chronic disorder. Follow-up care should exclude the development of Crohn's disease or sarcoidosis.
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