. Diseases of the rectum and anus: designed for students and practitioners of medicine. t common to prostitutes and sodomists. The general appearance of chancroids in this region issimilar to that of chancroids about the genitals, except thattheir location between the folds of skin and mucous membraneabout the anus, together with the action of the sphincter-mus-cle, causes the ulcers to become elongated and resemble fis- NON-MALIGNANT ULCERATION AND ESTHIOMENE 333 sures, for which they are often mistaken. Chancroidal ulcersare at first superficial, have sharply-defined, undermined edges,are ex
. Diseases of the rectum and anus: designed for students and practitioners of medicine. t common to prostitutes and sodomists. The general appearance of chancroids in this region issimilar to that of chancroids about the genitals, except thattheir location between the folds of skin and mucous membraneabout the anus, together with the action of the sphincter-mus-cle, causes the ulcers to become elongated and resemble fis- NON-MALIGNANT ULCERATION AND ESTHIOMENE 333 sures, for which they are often mistaken. Chancroidal ulcersare at first superficial, have sharply-defined, undermined edges,are extremely sensitive, and produce a profuse, purulent dis-charge. Conditions in this region favor the self-propagation ofchancroids. This, in conjunction with the stretching incidentto defecation and exposure to infection, causes them to spreadand become so extensively and deeply ulcerated that healingmay result in partial or complete stricture. In persons consti-tutionally zveak, if cleanliness is not strictly observed, chan-croidal ulcers may become phagedenic, and result in the slow. Fig. 96.—Primary Tuberculosis of the Rectum and Anus,Tubercular Deposits. 3hovv^iiig or rapid destruction of much tissue. When gradual, this con-dition may resemble epithelioma or lupus and easily be mis-taken for either. GouorrJiea of the rectum always causes a superficial ulcera-tion or chafed condition of the mucosa, because of the irri-tating nature of the discharge. This superficial ulcerationusually heals as the disease subsides. If, however, the inflam-mation is allowed to become chronic, ulcers of considerablesize may be formed, which leave a corresponding cicatrix whenfinally healed. 324 DISEASES OF THE RECTUM AND ANUS Catarrhal Ulceration is secondary to acute or chronic proc-titis, and is due to obstructed cnxulation and the action of theacrid discharge upon the mucosa, furthered by irritation fromthe passage of feces. From a clinic stand-point there are threevarieties of catarrhal ulc
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