Findings in patients in whom brain stem lesions were suspected were studied by a high-field-strength (1.5T) MR imager. MR scans were obtained in 97 patients over a 10-month period. The mean age was 71 years (range, 39-94 years). A high incidence of infarction and lesions showing a high signal on T2-weighted image, but an almost normal signal on the T1-weighted image were observed at the pons in elderly cases. Furthermore, cases in which these two findings were observed, had a high incidence of lesion at other regions than pons. Cases with a past history of hypertension had higher incidence of lesions at the pons than normotensive patients (α<0.01). These findings suggest that MRI examination in the elderly could detect a high incidence abnormal lesions at the brain stem as well as in basal ganglia. © 1992, The Japan Geriatrics Society. All rights reserved.
CITATION STYLE
Tanno, M., Nakayama, M., Kyomatsu, Y., Kawakami, M., Mashima, Y., Tanno, S., … Yamada, H. (1992). MR Study of Brain Stem in Elderly Subjects. Japanese Journal of Geriatrics, 29(3), 190–197. https://doi.org/10.3143/geriatrics.29.190
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