. Post-mortem pathology; a manual of post-mortem examinations and the interpretations to be drawn therefrom; a practical treatise for students and practitioners. fe is used to divide it through its middle parallel to its greatestsurface. The knife must be so sharp that it will cut without tearing,and care should be taken not to extend the incision through to the hand(Fig. 96). The wisest precaution for this purpose Is first to bisect thekidney only to its centre, then reverse the organ in the hand and com- 12 178 POST-MORTEM EXAMINATIONS plete the incision by cutting outward (Fig. 97). The pyr
. Post-mortem pathology; a manual of post-mortem examinations and the interpretations to be drawn therefrom; a practical treatise for students and practitioners. fe is used to divide it through its middle parallel to its greatestsurface. The knife must be so sharp that it will cut without tearing,and care should be taken not to extend the incision through to the hand(Fig. 96). The wisest precaution for this purpose Is first to bisect thekidney only to its centre, then reverse the organ in the hand and com- 12 178 POST-MORTEM EXAMINATIONS plete the incision by cutting outward (Fig. 97). The pyramids andthe calices with their papillae will now be completely exposed and thetwo halves held together by the tissues composing the pelvis. If it bedesired to lay open the hilum or a hydronephrosis, scissors should beemployed. Precipitates of urinary salts in the pelvis are often mis-taken for pus. A microscopic examination, especially if acetic acidbe added, will at once reveal the true nature of the fluid. Now exam-ine the surface for cysts, stellate veins (veins of Verhagen), aberrantadrenals, miliary tubercles, tumors, etc. Large cysts can readily be. Fig. 97.—Method of opening the kidney in such a manner as not to injure the hands of the operator. seen. When incising a cystic kidney, it should be remembered that theliquid therein is often under considerable pressure, and may squirtseveral feet when the cavity is opened, and thus injure the eyes or soilthe clothing of the operator or of those present at the autopsy. The capsule, which when normal is transparent, is next stripped offfrom one side (Figs. 98 and 99), and its condition noted as to whetheror not it is thickened, adherent, or non-adherent. If adherent, see ifany of the cortical substance is removed with it,—, whether theinner surface is smooth or rough. In those cases where the capsuleis adherent, this portion of the kidney should be saved for microscopicstudy along with the renal tissue lying directly b
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