Villous Tumors of the Stomach and Small Bowel

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Abstract
• Villous tumors of the stomach and small bowel are premalignant lesions with focal adenocarcinomatous change as high as 72%. They are frequently multiple and associated with other gastrointestinal neoplasms. Thirty percent of those in the stomach are associated with an independent gastric carcinoma. Villous tumors have morphological features that facilitate specific roentgenographic diagnosis. Endoscopic biopsy may confirm the diagnosis but may give false-negative results for malignant neoplasms and therefore should not delay treatment. After diagnosis, surgical resection is mandatory and subsequent radiological-endoscopic follow-up is essential. (Arch Surg 113:255-259, 1978)