. The elements of pathological histology with special reference to practical methods . ium and in trueglands, and always begins as a growth of the glandular epithelium—inmucous membranes perhaps also of the surface epithelium—(, a), thus forming structures which at the beginning retain acertain resemblance to the glands from which they started, recallingthe appearance of acini and tubules (Fig. 50, & ; Fig. 130, h\ andFig. 159, a), but subsequently deviate more or less from their type,and which at the same time push unrestricted into the deeper cells in glandular cancer may als
. The elements of pathological histology with special reference to practical methods . ium and in trueglands, and always begins as a growth of the glandular epithelium—inmucous membranes perhaps also of the surface epithelium—(, a), thus forming structures which at the beginning retain acertain resemblance to the glands from which they started, recallingthe appearance of acini and tubules (Fig. 50, & ; Fig. 130, h\ andFig. 159, a), but subsequently deviate more or less from their type,and which at the same time push unrestricted into the deeper cells in glandular cancer may also preserve to a certain degreethe form of the parent-cells, and hence, for example, may be cylind-rical in carcinomata of mucous membranes covered with cylindricalepithelium (Fig. 50), a form of carcinoma which is also entitledcylinder-celled epithelioma. The resemblance between the groups of cancer cells and the acini GLANDULAR CARCINOMA 105 or tubules of glands is sometimes very great, especially in the youngerportions of the tumour, so that the tumour may be taken for an. Fig. 49.—Branching Villus-like Structure from a Villous Cancer ok the Bladder, x 545.(Haematoxylin and eosin.) o, Connective-tissue stroma of the villus, rich in vessels and cells;6, Polymorphous cancer cells, enveloping the villi in the form of a stratified epithelium. adenoma; but mistake is guarded against by the circumstance that inaddition to such groups of cells quite atypical groups may often befound—for example, alveoli which are quite full of cancer cells (, g)—or that these cells are growing into the neighbouring tissues,whereas the adenoma always remains sharply marked oft from its sur-roundings, and may even be enveloped in a connective-tissue capsule. A special variety of glandular carcinoma is the scirilius (Fig. 51).We understand by this name a carcinoma in which the stroma isabundant, the alveoli narrow, and the cancer cells also frequentlysmall. There commonly takes place i
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectpatholo, bookyear1895
