Alfred Breit

Learn More
Visualization of heart chambers or the abdominal arterial phase on one of two CT-scans was achieved in 89.4% of 169 injections (91 patients) using only 30 ml of contrast medium (370 mg iodine/ml), when the start of scanning was accurately timed at predicted bolus peak concentration. Normal arrival times and numer of transit cycles to the bolus concentration(More)
Naturwissenschaften 78 (1991) ©Springer-Verlag 1991 the seasonal cycle of reproduction. Activity levels increased when the animals entered reproductive conditions, which occurs naturally in spring and early summer. During the 23 months of reproduction, a well-defined activity rhythm was observed. During the rest of the year, the level of activity was(More)
In a retrospective study 516 cranial MRI examinations of children aged 1 month to 14 years were reevaluated for myelination. An objective staging system for the assessment of the degree of myelination was designed, based on the characteristic patterns of myelintypical signal which develop in the course of brain maturation. Thus myelination can be estimated(More)
The aim of this prospective study was to compare the diagnostic value of computed tomography (CT) and magnetic resonance imaging (MRI) in the evaluation of tumors of the nasopharynx, oropharynx and hypopharynx. For this reason, we performed CT and MRI in a total of 473 patients with neoplasms of the nasopharynx [116], oropharynx [282] and hypopharynx [39].(More)
777 cerebral MRI examinations of children aged 3 days to 14 years were staged for myelination to establish an age standardization. Staging was performed using a system proposed in a previous paper [1], separately ranking 10 different regions of the brain. Interpretation of the results led to the identification of four clinical diagnoses that are frequently(More)
Using 3-D Fourier analysis, it is possible during MR tomography to provide isotropic data of large volumes, ie. uniform spatial resolution with a voxel size of 1 mm3. If one uses a gradient echo sequence with a picture matrix of 256 X 256 X 128 voxels, then examination time is less than 15 minutes. The information contained in this enormous amount of data(More)
The aim of this paper was to compare the diagnostic value of computed tomography (CT) and magnetic resonance imaging (MRI) in the evaluation of malignant tumors of the temporal bone, of paragangliomas of the glomus tympanicum and jugulare as well as of malignant tumors of the para- and retropharyngeal space. 67 patients with tumors of the temporal bone--28(More)
Eighteen children with West syndrome underwent MRI-examination of the brain. Five children were examined twice. Myelination of ten regions of the brain was retrospectively assessed on the MRI-examinations. The children could be divided in three groups of main diagnosis (cryptogenic West syndrome, tuberous sclerosis, pre-/perinatally acquired brain lesions).(More)
The application of two commercially available colorimetric DNA hybridization tests (GENE-TRAK E. coli and Staphylococcus aureus) to selected aspects of dairy hygiene was investigated. Bacterial isolates of different origin, naturally contaminated cheese varieties, nonfat dry milk, milk concentrates, artificially contaminated milk and raw milks from udder(More)