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ASCO: Younger colon cancer patients have worse prognosis at diagnosis, yet better survival
Date:5/30/2012

0 with colorectal cancer presented with more advanced stage tumors in both data sets (SEER and TJUH), and had more poorly differentiated tumors than older patients, the researchers found. Patients under 50 also had more mucinous/signet ring cell tumors with 12 percent to 8.1 percent in the TJUH data and 13.2 percent to 10.3 percent in the SEER data, with younger males having the highest prevalence in both data sets.

Younger patients had fewer right-side tumors than patients 50 and over, and a higher proportion of rectal tumors. Patients under age 50 were also more likely to have positive nodes at all stages relative to 50 and over, as well as more likely to develop peritoneal metastases, but less likely to have lung metastases than older patients.

Despite their poor pathologic features, patients under age 50 had better than or equal survival to those 50 and older, which may in part be explained by their overall health. Early evidence suggests that younger patients are able to tolerate more aggressive cancer therapies because of fewer co-morbidities, said co-author Scott Goldstein, M.D., of Jefferson's Department of Surgery.

"Ongoing studies will help clarify the survival disparity and assess differences in treatment and molecular features between younger and older colorectal cancer patients," Dr. Mitchell said.


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Contact: Steve Graff
stephen.graff@jefferson.edu
215-955-5291
Thomas Jefferson University
Source:Eurekalert

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