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J Pediatr Surg. 1992 Aug;27(8):1085-9; discussion 1089-90.

Prognostic factors and outcome in patients 21 years and under with colorectal carcinoma.

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Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, NY 10021.


This study aims to identify significant predictors of survival in pediatric and adolescent colorectal carcinoma. We retrospectively analyzed our experience with 29 histologically verified cases, of which 20 were resected for cure. Variables analyzed as predictors of survival included: (1) resectability, (2) regional nodal involvement, (3) depth of invasion, (4) grade, and (5) interval from symptom onset to diagnosis. Signet ring or anaplastic lesions were considered high grade. Survival curves were generated on both the overall group and those resected for cure. Multivariate analysis was performed on the overall group. The median age at diagnosis was 19 years (range, 10 to 21). Median follow-up in survivors was 4.7 years. Signet ring tumors occurred in 45% and another 24% were poorly differentiated. Seventy-six percent presented with regional lymph node metastases. The median survival for the overall group was 16 months, whereas that for those undergoing complete resection was 33 months. In patients undergoing resection for cure, grade (P = .005), regional nodal involvement (P = .007), and depth of invasion (P = .03) were significant predictors of outcome in univariate analysis. In the overall group these variables as well as resectability and distant metastases were significant in univariate analysis. In multivariate analysis high-grade lesions and lymph node involvement were highly correlated, as were resectability and metastases. Thus, either variable (but not both) of each pair added information to the multivariate model. In patients resected for cure, positive nodes or high histological grade became the only significant predictors of survival.(ABSTRACT TRUNCATED AT 250 WORDS).

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