Identifier: manualofmodernsu1899robe (find matches)
Title: A manual of modern surgery : an exposition of the accepted doctrines and approved operative procedures of the present time, for the use of students and practitioners
Year: 1899 (1890s)
Authors: Roberts, John B. (John Bingham), 1852-1924
Subjects: Surgical Procedures, Operative Surgery
Publisher: Philadelphia : Lea Brothers & Co.
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

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g as the knifedivides the hard fibroid tissue, and shows a whitish shining surface,usually traversed by fibrous lines and often concave on account of con-tracting influences. Microscopic examination reveals a very large amount of stroma.This, by contraction and hardening, finally causes atrophy anddisappearance of the epithelial cells and almost obliterates thealveoli. Hence, the interior, or older portion of a scirrhoma, ap-proximates in appearance fibrous tissue, while the exterior or newlydeveloped structure shows the alveoli and the groups of epithelioidcells. 112 TUMORS. Encephaloid ; or Acute or Soft Carcinoma.—This morbid growthis soft, having the consistence of brain tissue, and grows rapidly; isvery vascular, frequently showing large veins traversing the overlyingintegument, and when it ulcerates, gives rise to a fungous protrusionwhich is the seat of hemorrhage. Sometimes pulsation is perceptible,on account of the numerous large arteries in its structure. Encepha- Fig. 35.
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Scirrhus of mamma. X 100. (Ziegler.) loid is not as frequent a growth as scirrhus, and it is found usually inthe viscera as a secondary growth following a primary scirrhus of ex-ternal parts. It does occur, however, primarily at times, especiallyin the testicle and breast. Many tumors of the eye and of thebones occurring particularly in young adults or children, formerlydescribed as encephaloid disease, are now recognized as sarcomas.On section encephaloid tumors show a brain-like pulpy substancestained by blood extravasations and sometimes quite fluid from fattydegeneration. Encephaloid can scarcely be described as an entirely distinct growthfrom scirrhus; but its softness, its greater rapidity of growth, its lessamount of stroma and absence of contractile tendencies, its vascularity,and its abundance of cells rapidly undergoing fatty degeneration war-rant its designation by a separate name. Under the microscope the observer finds large alveoli, surroundedby a limited amount of strom

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