American practice of surgery : a complete system of the science and art of surgery . sionally from the interior of cystsand the ducts of glands. They are rounded, cylindrical, lobulated, or cauliflower-like in appearance, or highly convoluted and villus-like. They may be sessileand attached by a broad base, or, again, may have a relatively narrow nature of the epithelium with which they are covered varies somewhat, butconforms more or less closely to that of the part from which they arise (Fig. 97). Many cutaneous warts belong to the class of jiapillomata, as tlo certain con-genita
American practice of surgery : a complete system of the science and art of surgery . sionally from the interior of cystsand the ducts of glands. They are rounded, cylindrical, lobulated, or cauliflower-like in appearance, or highly convoluted and villus-like. They may be sessileand attached by a broad base, or, again, may have a relatively narrow nature of the epithelium with which they are covered varies somewhat, butconforms more or less closely to that of the part from which they arise (Fig. 97). Many cutaneous warts belong to the class of jiapillomata, as tlo certain con-genital excrescences on the surface of the body, papillary ntevi. Papillomata of the mucous surfaces are found especially in connection with 530 AMERICAN PRACTICE OF SURGERY the lar3nx and trachea, the stomach and intestines, the urinary bladder, and the genitalia, as, for example, the penis, vuh-a, vagina, uterus, and Fallopian tubes. One of the most important types is the papilloma of the bladder, which takes the form of a cauliflower-like growth, composed of an aggregation of numer-. ous delicate branching papilkr. These papilke are composed of a small amountof vascular connective tissue covered with cylindrical epithelium. Papillomataof the bladder are usually situated at the fundus of the organ and are often niul- TUMORS AND TUMOR FORMATION. 331 tiplc. They are of importance to the surgeon in that tliey frequently cause ob-struction of the urine, with all that implies, give rise to hamaturia, and may,occasionally, assume malignant action. The most potent single factor in the causation of pai)illoniata is irritation in itswidest sense. Papillomata of the larynx are found in singers, public speakers,and others who strain the voice. Chronic congestion may be of importance catarrh accounts for many papillomata of the mucous surfaces, as, forexample, venereal warts (condylomata acuminata). Many of the warts ofthe skin are properly to be referred to the effects of irritat
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Keywords: ., bookauthorbuckalbe, bookcentury1900, bookdecade1900, bookyear1906
