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December 1952

BENIGN PAPILLOMA OF THE PERITONEUM: Report of a Case (Incident to Surgery for Removal of Adenomatous Polyp of the Sigmoid Colon) and Review of the Literature

Author Affiliations

From the Departments of Proctology (Dr. Lowell, Resident) and Pathology, Temple University School of Medicine and Temple University Hospital.

AMA Arch Surg. 1952;65(6):849-853. doi:10.1001/archsurg.1952.01260020843007

BENIGN papilloma of the peritoneum is a rare lesion, seldom noted except incidental to laparotomy or to postmortem examination. In fact, it is improbable that a diagnosis of this lesion can be made except by direct visualization of the peritoneum.

A review of the literature reveals confusion with regard to this tumor and the more commonly reported mesothelioma of the peritoneum to which it bears a poorly understood relationship. So far as can be reasonably determined, this lesion was first recognized by Wells,1 in 1935, who described the tumor as a benign, branching villous papilloma. The lesion was noted as an incidental finding at autopsy of a 79-year-old man whose death was secondary to suprapubic prostatectomy. Wells found this tumor to consist of numerous villous processes, covered by cuboidal cells continuous with the mesothelium of the peritoneum; the stoma was coarse, composed of connective tissue, and multiple lesions were