File:Post-mortem pathology; a manual of post-mortem examinations and the interpretations to be drawn therefrom; a practical treatise for students and practitioners (1905) (14784611275).jpg

Identifier: postmortempatho00catt (find matches)
Title: Post-mortem pathology; a manual of post-mortem examinations and the interpretations to be drawn therefrom; a practical treatise for students and practitioners
Year: 1905 (1900s)
Authors: Cattell, Henry Ware, 1862-1936. (from old catalog)
Subjects: Anatomy, Pathological Autopsy
Publisher: Philadelphia and London, J. B. Lippincott company
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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ng the circular incision, or, more frequently, crucial incisions aremade on either side of the longitudinal sinus and each side is incisedby a perpendicular cut running from the vertex down to the upper mar-gin of the bone. The four pieces are then turned down and the falxcerebri is cut anteriorly just behind the crista galli and with a portion 1 J. Dejerine, Anatomie des centres nerveux, 1895, p. 13. EXAMINATION OF THE SKULL AND BRAIN 229 of dura on each side of the longitudinal sinus pulled backward. Itwill be seen that the dura mater thus covers the sawed portions ofthe bones (Fig. 128) and affords a protection to the hands in thesubsequent removal of the brain. Aseptic compresses may also beused for a similar purpose. The thickness of the skull is next noted. It varies much, beingusually greater in negroes and, at times, in syphilitic subjects. Italso varies in different parts of the same skull, being thinnest in thetemporal region and thickest at the occiput, and is often unequal
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Fig. 128.—French method of opening the dura. (After Letulle.) in corresponding points of the opposite sides. The diploe may beentirely absent in some places, in which case the bone-dust will lackthe reddish color commonly observed in recently sawed bone. Theskull is usually from two to six millimetres thick. In rare cases thefrontal sinus may extend high up and be of unusual thickness; in oneof my subjects it measured half an inch across at the top after removalof the calvarium in the usual manner. Note the relations of theexternal table, internal table, and diploe. Pay especial attention tothe amount of blood in the latter; if abundant, suspect fracture. At 230 POST-MORTEM EXAMINATIONS times it Is entirely bloodless. The skullcap should be held up to thelight so that any inequality in its thickness may be perceived. ThePacchionian granulations often give rise to small nodular depressionsin the inner table, which are of course perfectly normal and shouldnot be mistaken for pressure

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