File:A treatise on the nervous diseases of children, for physicians and students (1905) (14598170317).jpg

Identifier: treatiseonner00sach (find matches)
Title: A treatise on the nervous diseases of children, for physicians and students
Year: 1905 (1900s)
Authors: Sachs, Bernard, 1858-1944
Subjects: Nervous system Children
Publisher: New York, W. Wood and company
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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om tumors of thebrain; all symptoms had receded. Hydrocephalus, serous meningitis, and specificlesions may cause difficulties in diagnosis. 482 THE NERVOUS DISEASES OF CHILDREN. cular meningitis of the base smaller tubercles of a pin-head size may be seenscattered along the vessels on the outer surface of the brain. A solitarytubercle is composed of a thick stroma with giant cells and a considerableamount of hard fibrous tissue. There is a more or less concentric arrange-ment of the parts, and the central portion of the tumor, in many cases, un-dergoes caseous degeneration at an early day. As in the cord, so in the brain,the tissue surrounding a tubercular growth may break down and become analmost diffluent mass. A tubercular encephalitis, or meningo-encephalitis,may, therefore, be superadded upon a solitary tubercle. In just as manycases, however, the solitary tubercle behaves as every other cerebral tumordoes. It is, as a rule, sharply differentiated from the surrounding tissue, and
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Fig. 122.—Vertical Section through Cyst, C, and Both Tumors, showing Distortion ofBrain Axis and Displacement of Left Ventricle. P, pons ; V, the left ventricle. the exact character of it can be made out only on histological examination.The very size of the tumor, as in the brain depicted in Fig. 122, is suspi-cious of solitary tubercle, for the smallest as well as the largest tumors occur-ring in the brain are of this character. In the histological examination of thetumor search should be made for the tubercle bacilli, and their presence willat once prove or disprove the supposed character of the tumor. Glioma and sarcoma, or a combination of both, are thenext most frequent forms of neoplasm occurring in the brainsof children. The glioma possesses the characteristics of neu-roglia tissue. Its growth is extremely slow, and for thisreason it may be suspected in cases in which all the symp-toms point to a period of growth lasting for one or two TUMORS OF THE BRAIN AND ITS MENINGES. 48

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