Colorectal carcinoma up to the second decade of life: An 8-year experience in a tertiary care center

RK Gupta, S Ali, P Sakhuja, D Mukherjee, AK Agarwal, AS Puri

Indian Journal of Cancer 2014 51(4):557-559

Aims And Objectives: To evaluate the demographic pattern, incidence, and histological characteristics of colorectal carcinomas (CRCs) in very young adults diagnosed in the center. Materials And Methods: We retrieved and reviewed slides and data pertaining to all the cases of CRCs and "segregated into decade wise age-groups" from the archives of Department of Pathology. Patients with age ≤20 years diagnosed during the last 8 years (2006–2013) were further evaluated. Results: Totally, 590 cases of CRCs diagnosed over last 8-year period, of which 4.2% (25 cases) presented in the study group (age ≤20 years) with a mean age of 17 years. About 50% of the tumors were either signet ring cell, mucin-secreting or poorly differentiated carcinomas. Four cases occurred in a background of familial adenomatous polyposis (FAP), three of which showed high-grade dysplasia, while in one case, carcinoma-in-situ was diagnosed. In all but two cases, rectum was the site of involvement except FAP cases in which colorectal location was noted. CRCs show a sharp rise in earlier age onset (≤40 years) and an increasing trend was followed in patients between age groups third, fourth, and fifth decades of life over the last 8 years. Conclusion: Colorectal carcinomas show an increasing trend in young age (≤40 years). This change may be attributed to dietary, lifestyle changes, and newer genetic alterations in developing countries. In very young age group (≤20 years), a higher grade and stage at the time of diagnosis and predominantly rectal involvements are the distinct features.

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