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Biomedical subjects

R Kraus-Ruppert

Publications and source records attributed to R Kraus-Ruppert.

5 recordsLinked to original sources

Intracranial giant cell arteritis.

A case of giant cell arteritis of intracranial vessels diagnosed by autopsy is described. Giant cell arteritis of the proximal basal brain arteries was exceptionally marked in a man of 60 years. The clinical course, laboratory findings and the pathological alterations of the brain and intracranial blood vessels are described. The case is discussed on the basis of the literature on giant cell arteritis with cerebral symptoms as well as on granulomatous giant cells arteritis of the brain. A separation of these two entities does not seem justified.

Autopsy

Oligodendroglioma with a twenty-two year history. Clinicopathological case report.

Clinico-pathologic report of a patient with an oligodendroglioma who ran a 22-year course characterized by focal epileptic seizures of the Jaksonian type. The EEG remained normal for many years. Since the tumor had not been influenced by therapeutic measures, the histologic picture permitted considering some basic problems of origin, growth, and differentiation of oligodendrogliomas.

Adult

Kinetic studies on glial, Schwann and capsular cells labelled with [3H] thymidine in cerebrospinal tissue of young mice.

Neuroglia, capsular and Schwann cell renewal and turnover in the cerebellum, the spinal cord and spinal ganglia have been evaluated in 2-months-old mice. The animals received intraperitoneal injections of [3H] thymidine at 8 hr intervals starting on the 28th day of postnatal life for a period of 30 days and were killed 1 hr after the last injection. Substantial numbers of labelled neuroglial cells but no labelled neurons were observed. Oligodendrocytes of the cerebellum and the spinal cord showed higher labelling indices (19.8% and 18.0%, respectively) than astrocytes (10.0%) and Bergmann's supporting cells (7.2%). The labelling indices of capsular cells in the spinal ganglia and Schwann cells in the spinal roots were 35.8% and 25.8%, respectively. The experiments failed to provide evidence for matrix cell layers in the cerebellum, the spinal cord and spinal ganglia. It may be concluded therefore that glial and Schwann cells in these parts of the nervous system proliferate in situ.

Animals