Treatment of histologically benign papilloma of the urinary bladder by local excision and fulguration

HIS brief presentation is based upon the T forty-two cases of histologically benign papilloma encountered during the selection of the 112 cases of carcinoma reported in the immediately preceding paper. T h e selection and the time period were the same as those in the preceding paper except that Pearce considered these to be histologically benign rather than histologically malignant. These neoplasms would be called Grade-I carcinoma in those classifications in which a separate category of papilloma is not recognized. T h e exact incidence of papilloma relative to carcinoma cannot be obtained from these reports because some patients with papilloma were treated as out-patients (and only in-patients are included here) and because of other reasons, such as the selective factors determining whether a patient comes to a large medical center. Unfortunately, seven patients were lost to follow-