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Biomedical subjects

G Graef

Publications and source records attributed to G Graef.

5 recordsLinked to original sources
PubMed1990

Primary leptomeningeal gliomatosis with predominant involvement of the spinal cord.

The authors report on a 43-year-old male with apparent myelomeningeal encephalitis. The most important clinical symptoms included severe lymphocytosis of the CSF, cranial nerve palsies, obstructive hydrocephalus, progressive coma, and presence of an intramedullary mass causing paraplegia. Neither CSF analysis, nor the intraoperative findings gave evidence of a neoplastic process. Regarding the paraclinical data we supposed a CNS inflammatory process, but autopsy revealed the diagnosis of an intraspinal, leptomeningeal gliomatosis.

Adult↗
PubMed1975

Experiences with the echo midliner in children.

Three hundred eighty-five children were examined with the Midliner echoencephalography unit. In examinations termed adequate, correct interpretations were made in 94.6% of healthy children versus 78% ill children. The incidence of adequate examinations increases with the child's age, but 58% of children with hydrocephalus had inadequate examinations, regardless of age. For the measurement of the infantile ventricle system the midliner is not appropriate.

Brain Diseases↗
PubMed1975

[The advantages and limitations of an automatic ultrasound determination of the cerebral midline--a study of 1889 cases].

The examination of the brain with ultrasound has become an indispensible diagnostic tool in all cases of intracranial pathology. Valuable information is obtained both in emergencies and in follow-up studies. Since long practice is necessary before the results of echoencephalograms can be interpreted accurately, a need was felt for a standardization of the examination which would eliminate the subjective influence of the investigator. The automatic midline computer, called Midliner, which has recently become available, makes fewer demands on the experience of the investigator although the diagnostic possibilities are not as broad. The position of the midline echo is of primary interest, although the width of the third ventricle can be successfully determined in occasional cases. this study, which presents the results of the Midliner examinations in three clinics, is grouped according to diagnosis. Through a comparison with conventional A-scan echoencephalograms, as well as with neuroradiological and operative findings in 1889 cases, the reliability of this method is clearly demonstrated. The advantages and disadvantages of the examination are discussed and the field of application indicated.

Adolescent↗
PubMed1975

Clinical experience with automatic midline echoencephalography: cooperative study of three neurosurgical clinics.

Computerized midline echoencephalography was developed in order to make the determination of the midline more objective. In a group study involving the neurosurgical clinics in Berlin, Erlangen, and Munich, a total of 1,889 patients with various intracranial diseases was examined by this method. An exact analysis of the results obtained is presented: 18 percent were unsatisfactory.

Adolescent↗