MR imaging in every patient with a CNS disease?

Magnetic resonance imaging has become a major diagnostic tool in many disea ses of the central nervous system. However, computed-tomography has still s everal advantages so that this technique is still an important diagnostic i nstrument. The article briefly illustrates the benefit of each technique in cerebrovascular diseases, brain tumors, neurodegenerative and inflammatory diseases of the brain and finally head trauma. Indication for CT or MRI is based on the tentative diagnosis, cooperation of the patient and urgency.