[Doppler ultrasonic measurement for diagnosing carotid occlusions and stenoses (author's transl)].

Doppler ultrasonic measurements were performed in 74 patients suffering from cerebrovascular disorders. Flow direction was determined in the supratrochlear artery by using a directional Doppler sonographic instrument according to the method of Keller et al. 15 patients presented, unilateral or bilateral, with a flow reversal (i.

[Computer tomography in intracranial hemorrhage (author's transl)].

For the detection of acute intracranial and intracerebral hemorrhage computer tomography C.T.- examination is of greatest importance.

[Comparative measurements of the plane-dose-product, the surface dose and organ exposure in radiodiagnostic routine-examinations (author's transl)].

Measurements have been carried out using an Alderson-Rando-Phantom. Their purpose was a comparison between the surface- and organ-doses of radiobiologic interest and the plane-dose-product, important for the documentation according to the Röntgen rules (RoV).

[Complications of cervical discography (author's transl)].

The report deals with 1,005 discographic examinations in 380 patients with a cervical syndrome. Three cases of a discitis were observed, of which two had to be regarded as complications of the examination. The aetiology, clinical features, diagnosis and differential diagnosis are described: therapeutic and prophylactic problems and possible complications are discussed.