Individuals with<unk>  that do not have an underlying condition, are typically expected to make a vocal recovery through voice therapy. Having a form of muscle tension dysphonia go untreated, can cause further long-term disorders that require additional forms of treatment.
Bogart–Bacall syndrome
Michels Caskey syndrome
Papillon–Lefèvre syndrome
Jeavons syndrome
Bonnet–Dechaume–Blanc syndrome
Rudiger syndrome
McGillivray syndrome
Teunissen–Cremers syndrome