The cause of<unk>  is unknown; however, genetic factors and nutritional deficiencies may play a role. It is more common in women, particularly in middle age, with a peak age over 50 years.
Plummer–Vinson syndrome
Bloom syndrome
Mallory–Weiss syndrome
Secretan's syndrome
Mucus fishing syndrome
König's syndrome
Zenker's diverticulum
Schnitzler syndrome