Local Resection for Ampullary Tumors

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Abstract
• Two of 14 patients with adenomas were without disease 25 and 43 months after ampullary resection. Two patients with an initial diagnosis of malignant neoplasm had no recurrence at 75 and 40 months; one underwent pancreatoduodenectomy at 8 months because of recurrence. Six of nine patients with initial diagnoses of villous adenoma were without disease at 1, 2, 16, 23, 46, and 51 months; three underwent conversion to pancreatoduodenectomy because of invasive carcinoma. Frozen-section studies revealed adenocarcinoma in two patients with villous adenoma but failed to show invasion in one patient. One patient with villous adenoma was mistakenly thought to have carcinoma based on results of frozen-section studies. Local ampullary resection is valuable in treating benign and selected premalignant and malignant ampullary lesions. The threshold for conversion to pancreatoduodenectomy should be low unless ampullectomy is performed with palliative intent. (Arch Surg. 1993;128:515-520)