Background. The clinicopathologic features of gastric carcinoma in elderly people have been reported previously. The present study examined the patterns and distribution of gastric carcinomas in the elderly, especially in patients aged 85 and older. Methods. A retrospective study of 994 consecutive Japanese patients aged 65 years or older was performed. In this group, a total of 1147 lesions were analyzed. Pathological findings in the very old group (older than 85 years; n ‫؍‬ 126) were compared with those in younger groups (65-74 years [young-old group]; n ‫؍‬ 356) and (75-84 years [middle-old group]; n ‫؍‬ 512). Results. While the male-to-female ratio significantly decreased with advancing age, the relative odds of gastric cancer in men were higher than those in women in all age groups. In the very old group, cancer of the lower third of the stomach tended to increase with advancing age, and accounted for 43.7% of cases. In the population overall, differentiated-type adenocarcinoma accounted for 89.6% in the early cancers and 50.3% in the advanced cancers. The proportion of cases involving differentiated-type carcinoma significantly increased with advancing age in early cancer and female advanced cancer cases, whereas no significant change was found in male advanced-cancer patients. In the very old group, lymph node metastasis was found in 5.4% of early cancers and 72.7% in advanced cancers. Multiple cancers significantly increased with advancing age (P < 0.05; 10.7% in the younger-old group, 12.7% in the middle-old group, and 19.0% in the very old group). Conclusion. These results indicate that, in the very old group, gastric cancers showed a distal shift with predominantly differentiated-type carcinoma in the early stages and increased undifferentiated-type carcinomas in advanced stages. These results suggest increased histologic diversity with tumor growth. These findings have important implications for the screening and diagnosis of gastric cancer in the elderly. Offprint requests to: T. Arai

Objective: To establish reliable standards for surgical application to elderly patients 75 years old or older with gastric or colorectal cancer with special reference to the postoperative recovery of activities of daily living (ADL) and quality of life (QOL). Summary Background Data: ADL and QOL are important outcomes of surgery for the elderly. However, there has been only limited evidence on the natural course of recovery of functional independence. Methods: Two hundred twenty-three patients 75 years old or older with gastric or colorectal cancer were prospectively examined. Physical conditions, ADL, and QOL were evaluated preoperatively and at the first, third, and sixth postoperative month. Results: The mortality and morbidity rates were 0.4% and 28%, respectively. Twenty-four percent of patients showed a decrease in ADL at 1 month postoperatively, but most patients recovered from this transient reduction, with only 3% showing a decline at the sixth postoperative month (6POM). ADL of these patients was likely to decrease after discharge from the hospital. QOL of the patients showed a recovery to an extent equal to or better than their average preoperative scores. Conclusions: Of the patients 75 years old or older who underwent elective surgery for gastric or colorectal cancer, only a few showed a protracted decline in ADL and most exhibited better QOL after surgery. This indicates that surgical treatment should be considered, whenever needed, for elderly patients 75 years old or older with gastric or colorectal cancer. Estimation of Physical Ability and Surgical Stress is useful for predicting postoperative declines in ADL and protracted disability; this could aid in establishing a directed rehabilitation program for preventing protracted disability in elderly patients. (Ann Surg 2007;246: 222-228)

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