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Biomedical subjects

S Bressman

Publications and source records attributed to S Bressman.

21 records · Page 2Linked to original sources
PubMed1982

Subcortical neglect.

Unilateral neglect is usually caused by lesions of the right cerebral cortex, especially parietal. Neglect after subcortical lesions has been reported rarely in thalamic or striatal hemorrhage, and after infarction of thalamus or striatum and internal capsule shown by CT. In these patients, there may have been compression or ischemia of overlying cerebral cortex and white matter. We report a patient with sensory hemineglect, asomatognosia, and anosognosia caused by infarction of striatum and deep white matter, with involvement of neither cortex nor thalamus and without mass effect. This is the first autopsy-confirmed example of human neglect with involvement of only the striatum and deep white matter.

Aged↗
PubMed1981

Symmetric sarcoid polyneuropathy: analysis of a sural nerve biopsy.

A 20-year-old woman with sarcoidosis had uveitis, subacute symmetric sensorimotor neuropathy, and noncaseous granulomas in biopsies of gastrocnemius muscle and sural nerve. Morphologic studies of the nerve confirmed the electrodiagnostic impression of an acute axonal and demyelinating neuropathy. Of 100 teased myelinated nerve fibers, 15% contained myelin ovoids and 24% demonstrated segmental demyelination. Quantitative analysis showed a reduction in the numerical density of myelinated fibers. By electronmicroscopy, unmyelinated fibers were largely spared. The exact mechanism of nerve fiber damage was not determined, but a local effect of the granuloma seemed likely, because most lesions were found in the endoneurium.

Adult↗