Article Figures & Data
Figures
- Fig 1.
Z-score brain surface map represents areas of metabolic reduction in patients in comparison with healthy subjects (data base group). Right lateral (R.LAT), left lateral (L. LAT), superior (SUP), inferior (INF), anterior (ANT), posterior (POST), right medial (R. MED), and left medial (L. MED) views are shown. Reduction of glucose metabolism is evident in medial aspects of cerebrum especially in cingulate gyrus, lingual gyrus, and cuneus.
- Fig 2.
Z-score brain surface map represents the result of group comparison between 2 healthy subjects groups such as control group (CG) and data base group (DBG). Right lateral (R.LAT), left lateral (L. LAT), superior (SUP), inferior (INF), anterior (ANT), posterior (POST), right medial (R. MED), and left medial (L. MED) views are shown. Marked metabolic reduction is not shown on the medial surface of cerebrum.
- Fig 3.
Z-score brain surface map of representative cases shows a prominent metabolic reduction on respective gyrus level segment in cingulate gyrus.
Top, 46-year-old man (case 4) shows hypometabolism in anterior cingulate gyrus.
Middle, 38-year-old woman (case 7) shows hypometabolism in middle cingulate gyrus. Metabolic reduction shown in the right frontal lobe is the result of cerebral contusion.
Bottom, 28-year-old man (case 12) shows hypometabolism in posterior cingulate gyrus with concomitant hypometabolism of lingual gyrus and cuneus.
Tables
- Table 1:
Abstract from the stereotactic extraction estimation (SEE) results of group comparison
Gyrus Level Classification Total Projection Projection (Z > 2) Extent Ratio (%) Anterior cingulate gyrus Left 180 94 52.2 Right 180 85 47.2 Middle cingulate gyrus Left 267 118 44.2 Right 267 94 35.2 Posterior cingulate gyrus Left 98 58 59.2 Right 98 43 43.9 Lingual gyrus Left 100 89 89.0 Right 99 91 91.9 Cuneus Left 306 119 38.9 Right 303 127 41.9 Note:—In each row, anatomic information, total coordinates, number of coordinates showing abnormalities (Z > 2), and proportion of abnormal pixels in total surface pixels are presented from the left. Table shows the results of representative gyrus level segments extracted from 32 segments of whole cerebral surface.
Case No. Age & Sex Anterior Cingulate Gyrus Middle Cingulate Gyrus Posterior Cingulate Gyrus Lingual Gyrus Right Left Right Left Right Left Right Left 1 26 F 37.8 58.9 9.0 2.6 2.0 0.0 0.0 0.0 2 39 M 20.0 15.6 9.7 11.2 2.0 0.0 6.1 25.0 3 50 M 34.4 32.8 29.2 38.2 2.0 1.0 0.0 3.0 4 46 M 45.6 48.9 32.2 24.7 10.2 8.2 0.0 2.0 5 24 F 57.2 46.1 9.7 3.0 7.1 5.1 34.3 33.0 6 22 M 57.8 37.8 6.0 4.5 4.1 24.5 35.4 52.0 7 38 F 1.1 2.8 11.2 13.9 2.0 1.0 0.0 16.0 8 23 M 1.7 5.6 16.1 15.4 1.0 1.0 0.0 33.0 9 22 M 1.1 0.0 1.1 1.9 16.3 21.4 17.2 21.0 10 44 F 0.0 0.0 2.6 2.6 53.1 6.1 69.7 6.0 11 19 M 1.7 0.6 5.2 1.9 3.1 11.2 72.7 72.0 12 28 M 2.2 7.8 2.2 6.7 42.9 43.9 23.2 61.0 CG Mean 2.3 1.8 0.9 1.9 0.9 2.5 6.5 9.9 SD 2.8 2.8 0.9 2.4 2.0 4.2 11.9 17.4 Note:—CG indicates control group.
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