OPD compliance seems to be lower than frequently expected. Regular follow-up investigations are necessary to ensure adequate treatment. Poor dental status and an excess body-mass index reduce patient compliance.

Dysontogenetic cysts should be considered in differential diagnosis of tumours of the floor of the mouth. Diagnostic and surgical management depends first of all on size and location of dysontogenetic cysts.

The PFAPA syndrome is an illness that first manifests itself in children. However, it can persist until adulthood or reappear after phases of remission. A knowledge of this periodic fever syndrome and extensive and close cooperation of general practitioners, paediatricians, internists and ENT specialists will be helpful in early diagnosis of this disorder.

Peritonsillar abscess is a potentially life-threatening complication of acute tonsillitis. This must be kept in mind and should therefore lead to an adequate and directed management of this pathology. We discuss the stepwise diagnosis and therapy within the framework of scientific literature.