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 . tness, 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 stroma and containing rather large cells, un-dergoing fatty change, accompanied by many free nuclei. Colloid; or Ge
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 . tness, 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 stroma and containing rather large cells, un-dergoing fatty change, accompanied by many free nuclei. Colloid; or Gelatinous Carcinoma.—Colloid carcinoma, or col-loma, is a soft, jelly-like tumor, occurring most frequently in connec-tion with the peritoneum, intestines and stomach. It is a colloid ormucoid degeneration of scirrhus, encephaloid or epithelioma. Lipomas, TREATMENT. 113 chondromas, myxomas, sarcomas and other growths undergoing changeof a colloid or mucoid character may be mistaken clinically for colloidcarcinoma. The neoplasm has still less stroma than encephaloma and the alveoliare large and very distinct, because of their distention with a mucilag- Fig. Fig. & Encephaloid cancer. X 100. (Zieglee.) inous or glue-like material. This colloid substance is transparent andcolorless, or sometimes yellowish, and for the most part structureless,though a few epithelioid cells are seen. These cells are large and dis-tended with the gelatinous material similar to that surrounding times they differ little from ordinary carcinoma cells. Sometimesthey have a lamellar surface. Epithelioma, or Skin Carcinoma. Squamous Variety.—This isa more distinct variety of carcinoma than the others, though it does,at times, approach scirrhus in itscharacteristics. It usually occurs ata muco-cutaneous junction such asthe lip, eyelid, ala of the nose, anus,and prepuce; and appears first as asmall nodule under the skin or as ascab or an ulcerated abrasion or fis-sure. It not infrequently ari
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