Manual of pathological anatomy . ther the destruction of the organis ever due solely to a degenerative scrofulous inflammation, orwhether tubercles are always present from the first. Lymphatic Tumours.—In cases of leuchsemia, tumours of thiskind are not unfrequently formed in the kidney as in other form either distinct whitish soft masses, sometimes pro-jecting on the surface, or else a diffuse infiltration, producing amottled appearance. The minute structure is represented in Masses of lymphoid corpuscles are seen interspersed betweenthe tubes, forming an interstitial inf
Manual of pathological anatomy . ther the destruction of the organis ever due solely to a degenerative scrofulous inflammation, orwhether tubercles are always present from the first. Lymphatic Tumours.—In cases of leuchsemia, tumours of thiskind are not unfrequently formed in the kidney as in other form either distinct whitish soft masses, sometimes pro-jecting on the surface, or else a diffuse infiltration, producing amottled appearance. The minute structure is represented in Masses of lymphoid corpuscles are seen interspersed betweenthe tubes, forming an interstitial infiltration, something like thenucleated tissue in granular contracted kidney, but differing inthe slightly larger size of the elements and in the entire immunityof the tubes, which look perfectly normal. These masses are notliable to caseation and softening, like tubercle. In ansemia lymphatica, or cases of adenoid or lymphatic growthswithout leuchaemia, similar products are seen. Discrete tumours NEW GROWTHS IN THE KIDNEY. 699. Section of kidney affected -with a lymphatictumour or lymphatic infiltration. The tubesare seen widely separated by a mass chieflycomposed of lymphoid corpuscles. The epithe-lium of the tubes is unaltered. are figured in the paper by Dr. Murchison, before quoted ( Soc. vol. XX. p. 192, plates vii. and viii.). We have more oftenseen diffuse infiltrations, which present microscopical Ilo- 165. appearances precisely resem-bling those in Fig. the capillariesare seen infarcted withwhite corpuscles, which per-haps accounts for part ofthe infiltration of thestroma. Fibroma,—Small fibroustumours, an eighth of aninch in diameter or more,are not unfrequently seenin the pyramidal are composed of firmfibrous tissue, and some-times contain remains ofsecreting structure, but haveno importance. The onlycase of a large fibrous tumour of the kidney which we have foundrecorded is that communicated by Dr. Wilks to the PathologicalS
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