Manual of pathology : including bacteriology, the technic of postmortems, and methods of pathologic research . rIP -l-fi^^:.Fig. 171.—Squamous —(Gotild.). |lc:^ I 1 . • 0, ? Fig. 172.—Section ov a Squamous Epithelioma.—{Rindfltish.) X 500 down-growing epithelium in which are two cellnests or pearls, b, h. The stroma, in which atc, a few lymphoid cells are to be seen. of carcinoma. The ulceration, which occasionally occurs early, may notbe due to inflammatory or infective processes, as is usually the case, butto necrosis and degeneration of the epithelium. The growth
Manual of pathology : including bacteriology, the technic of postmortems, and methods of pathologic research . rIP -l-fi^^:.Fig. 171.—Squamous —(Gotild.). |lc:^ I 1 . • 0, ? Fig. 172.—Section ov a Squamous Epithelioma.—{Rindfltish.) X 500 down-growing epithelium in which are two cellnests or pearls, b, h. The stroma, in which atc, a few lymphoid cells are to be seen. of carcinoma. The ulceration, which occasionally occurs early, may notbe due to inflammatory or infective processes, as is usually the case, butto necrosis and degeneration of the epithelium. The growth usually begins as a small nodule, situated in the con-nective tissue just under the epithelial layer, with which it is continuous;the skin is not movable over the indurated mass. Not uncommonlythe spot of induration may appear to be in the epithelial layer. As arule, the overlying epithelium is pushed upward, giving rise to moderateelevation; this indurated elevation mav show slight umbilication, dueto fatty changes, absorption, and shrinking in its interior, before super-ficial exfoliation or ulceration occurs. When fully developed, the can-cerous surf
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