THE PURPOSE of this paper is to review the incidence and the clinical features of fibromyoma of the duodenum and to present a case report as an example of this tumor lest it be forgotten in the differential diagnosis of gastrointestinal bleeding. Such a tumor may be responsible for serious symptoms, but it may be overlooked; yet, as a rule, it is easily removed. In the literature these lesions are recorded as myomas, fibromas, leiomyomas, fibromyomas, etc. For the sake of clarity and because all these lesions contain both smooth muscle and fibrous tissue in varying amounts, the term fibromyoma is offered here to designate any of the aforementioned pathological entities. INCIDENCE The incidence of benign duodenal tumors found in the pavilion service of the New York Hospital from 1932 to 1951 is illustrated in the accompanying Table, with comparative figures reported by 17 other authors.1 It will be