PMID: 2099873Dec 1, 1990Paper

Neurological diseases in the aged

Rinshō shinkeigaku = Clinical neurology
M Kameyama

Abstract

In this paper, I described clinical and basic problems on neurology of the aged patients. These studies have been done in various institutions with many co-workers. 1) A PET study revealed some age differences on CBF, CMRO2, or CMRgl. But these results are not so rigid in which much of individual variations should be considered in interpretation. Calendar age is not always compatible to biological age. 2) Saccular aneurysms in the brain artery were found in 7.3% of 1200 routine autopsy series of the aged subjects. Aneurysms with external diameter exceeding 6 mm had been fatally ruptured in 14 (78%) of 18 subjects. 3) Variations of the pyramidal crossing are found responsible for bizarre clinical manifestations. Non-crossing component was more prominent in the right pyramidal tract; consequently, right pyramidal tracts including ventral and lateral one seemed to have more extensive representation in the spinal cord level. 4) I123-IMP SPECT study showed a reduced uptake in the area 4 or area 4-6 of the ALS patients. 5) I introduced a new simplified Wartenberg's maneuver, which is useful for detection of subtle pyramidal dysfunctions. 6) Cases with central pontine myelinolysis and those of paraneoplastic syndrome were presented wi...Continue Reading

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