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Gastric adenocarcinoma is considered a disease of the middle aged and elderly and has been infrequently reported in patients under 40 years of age. The purpose of this study was to determine the proportion of young patients diagnosed with gastric adenocarcinoma and to compare the demographic, clinical and pathologic features of younger and older patients with gastric adenocarcinoma.
A retrospective cohort study using tumorregistry records of all patients with gastric adenocarcinoma diagnosed from 1982 through 1996 at a public teaching hospital. Demographic, clinical, and pathologic comparisons were made between patients younger than 41 years of age and race- and sex-matched older patients with gastric adenocarcinoma.
Thirty of 203 (15%) cases of gastric adenocarcinoma were diagnosed in patients less than 41 years (range 23 to 40). Male to female ratio was 1:1. Young patients were more likely to be black (33% versus 17%, P = 0.04) Both younger and older patients presented with advanced disease, with nearly half of each group having metastases. Twelve of 29 (41 %) younger patients were operated on without a histologic diagnosis of gastric adenocarcinoma in contrast to only 1 older patient (P < 0.001). One of 30 (3%) young patients is alive 39 months following gastrectomy. Twenty patients died and the remaining 9 were lost to follow-up, all with known residual or recurrent disease. Six-month survival of young patients (23%) was less than older patients (42%) (P = 0.14). Young patients were more likely to have diffuse histology (80% versus 55%, P = 0.12). Overt infection with Helicobacter pylori was uncommon in both groups.
Young patients accounted for an unusually high proportion of patients with gastric adenocarcinoma diagnosed at our public teaching hospital. Young patients were significantly more likely to be black and less likely to have an accurate preoperative histologic diagnosis. Both young and older patients presented with advanced disease and had poor survival. Young patients were more likely to have diffuse histology and had poorer 6-month survival, suggesting a more aggressive variety of the disease in this group.
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**Presented at the 48th Annual Meeting of the Southwestern Surgical Congress, Scottsdale, Arizona, April 28–May 1, 1996.
© 1996 Excerpta Medica, Inc. All rights reserved. Published by Elsevier Inc.