[Clinical diagnostics and imaging in headache disorders].

Headache diagnosis is based on the criteria of the International Headache Society. Migraine and tension type headache are the most frequent primary headache disorders. Diagnosis can be made based on clinical criteria and further diagnostics are not mandatory. Imaging is primarily needed in suspected case of secondary headache disorders. Distinct imaging methods are used for research purposes especially for research about underlying pathophysiology of headache disorders.