CARCINOMA OF THE SUPRAPAPILLARY PORTION OF THE DUODENUM

Abstract

The purpose of this communication is to report six cases of carcinoma of the suprapapillary segment of the duodenum and to analyze and summarize the data obtained from the reported cases of this condition. Reports of one hundred and four cases were abstracted from the literature, thirty-five¹of which were regarded as acceptable on the basis of the data presented, a clinical history and gross and microscopic studies of the primary lesion being presented in each report. Twelve²additional cases, although probably authentic examples of this condition, could not be included in the present analysis because of insufficient clinical or pathologic data. Fifty-seven more reported cases were discarded, nineteen because, owing to involvement of the stomach, pancreas or bile passages in the malignant process,³the duodenal origin of the lesion was not established with certainty and thirty-eight⁴because the histologic studies were not reported, the diagnosis