Nervous and mental diseases . lar color and asoft consistency quite like that of the brain-substance. Glioma is emi-nently an infiltrating and a destructive growth. Its outlines are difficultto determine. Owing to its strangulating effect, the center of a glioma isfrequently filled with softened detritus and fatty-degeneration products,which may become fluid and the growth thereby cystic. Many allegedlocal ^ brain-hypertrophies ^ have been gliomatous infiltration in fact,and the microscopic examination of cyst-walls ^ has alone discovered17 258 DISEASES OF THE BRAIN PROPER. The favorite locati
Nervous and mental diseases . lar color and asoft consistency quite like that of the brain-substance. Glioma is emi-nently an infiltrating and a destructive growth. Its outlines are difficultto determine. Owing to its strangulating effect, the center of a glioma isfrequently filled with softened detritus and fatty-degeneration products,which may become fluid and the growth thereby cystic. Many allegedlocal ^ brain-hypertrophies ^ have been gliomatous infiltration in fact,and the microscopic examination of cyst-walls ^ has alone discovered17 258 DISEASES OF THE BRAIN PROPER. The favorite locationand it may infiltrateOrdinarily it is single. the true nature of the lesion in other instances,of glioma is the white substance near the cortexlarge areas, even the greater part of a hemisphere. In consistency they are soft, often highly vascular, and may in somecases be easily mistaken for angiomata. Hemorrhages not infrequentlyoccur in them. In other cases a great amount of interstitial fluid givesthem a myxoid Fig. 97.—Glioma of cerebellum containing Tecent and old hemorrhages.
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Keywords: ., bookcentury1900, booksubjectmentalillness, booksubjectnervoussys
