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KMID : 1188520170130020092
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Korean Journal of Clinical Oncology
2017 Volume.13 No. 2 p.92 ~ p.95
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Clinicopathologic characteristics of teenage sporadic colorectal cancer
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Lee Jae-Jun
Kim Sung-Hoo
Lim Seok-Byung
Lee Jong-Lyul
Kim Chan-Wook
Yoon Yong-Sik
Park In-Ja
Yu Chang-Sik
Kim Jin-Cheon
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Abstract
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Purpose: Colorectal cancer (CRC) is generally considered a disease of old age. Most CRCs are diagnosed at age 50 and over. CRC rarely occurs in teenagers, and the clinical features and prognosis of CRC are not clear in this population. The aim of this study was to uncover the clinicopathologic characteristics of teenage sporadic CRC.
Methods: Of the 21,042 patients who underwent operation for primary CRC at Asan Medical Center between July 1989 and December 2014, 19 cases (0.09%) without a familial history of CRC before 20 years of age at diagnosis were enrolled in this study. The clinicopathologic features of the teenage sporadic CRC patients were retrospectively reviewed.
Results: Of the 19 patients, 16 patients (84.2%) were male. The most common primary site was the left colon (descending colon & sigmoid colon) in nine patients. With respect to histologic type, adenocarcinoma represented 57.8% of cases, mucinous adenocarcinoma, 31.5%, and signet ring cell carcinoma, 10.5%. Six (31.5%) patients showed peritoneal seeding at presentation. In survival analysis, the 5-year overall survival rate of the patients who underwent curative surgery was 71.3%.
Conclusion: Teenage sporadic CRC is a very rare disease and the proportion of patients with a poor histologic subtype is high, but early detection and radical treatment can lead to favorable survival rates.
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KEYWORD
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Colorectal cancer, Teenage, Sporadic Cancer
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