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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.12
- 수록면
- 67 - 72 (6page)
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Purpose: The purpose of this study was to investigate the distinctive clinicopathologic features and oncological survival outcomes of sporadic colorectal cancer in patients under the age of 30 years old.
Methods: From 1994 to 2013, total 15,206 patients underwent curative or palliative surgery for sporadic colorectal cancer in our institution. 235 patients (1.5%) were under 30 years of age. Patients who presented with metachronous cancers, recurrent cancers, hereditary nonpolyposis colorectal cancer, familial adenomatous polyposis and patients without a microsatellite instability (MSI) analysis were excluded. A total 79 pateints who were ≤30 years old with sporadic colorectal cancer were enrolled.
Results: Seven patients (8.9%) had family history of colorectal cancer. Location of the tumor was 23 (29.1%) in right colon, 29 (36.7%) in left colon, 27 (34.2%) in rectum. Young patients tend to present with a higher incidence of mucinous and signet ring cell tumors (15.2%), poorly differentiated tumors (11.4%) and advanced stage such as Stage III (31.6%), Stage IV (30.4%). microsatellite instability-high (MSI-H) was observed in 10 (12.7%), microsatellite stable (MSS)/ microsatellite instability-low (MSI-L) in 69 (87.3%). 66.7% (n=6) of the MSI-H tumors showed loss of hMLH1 expression; no MSS/MSI-L tumors showed hMLH1 loss. 5 years ovarall survival was 72.8%. Stage specific overall survival was 100% for stage I, 100% for stage II, 75.9% for stage III, 31.4% for stage IV.
Conclusion: Patients with sporadic colorectal cancer under the age of 30 seem to have poor outcome than older patients, because of characteristic clinical and biological behaviors. Early detection of colorectal cancer (CRC) confers survival benefit to young patients.
Methods: From 1994 to 2013, total 15,206 patients underwent curative or palliative surgery for sporadic colorectal cancer in our institution. 235 patients (1.5%) were under 30 years of age. Patients who presented with metachronous cancers, recurrent cancers, hereditary nonpolyposis colorectal cancer, familial adenomatous polyposis and patients without a microsatellite instability (MSI) analysis were excluded. A total 79 pateints who were ≤30 years old with sporadic colorectal cancer were enrolled.
Results: Seven patients (8.9%) had family history of colorectal cancer. Location of the tumor was 23 (29.1%) in right colon, 29 (36.7%) in left colon, 27 (34.2%) in rectum. Young patients tend to present with a higher incidence of mucinous and signet ring cell tumors (15.2%), poorly differentiated tumors (11.4%) and advanced stage such as Stage III (31.6%), Stage IV (30.4%). microsatellite instability-high (MSI-H) was observed in 10 (12.7%), microsatellite stable (MSS)/ microsatellite instability-low (MSI-L) in 69 (87.3%). 66.7% (n=6) of the MSI-H tumors showed loss of hMLH1 expression; no MSS/MSI-L tumors showed hMLH1 loss. 5 years ovarall survival was 72.8%. Stage specific overall survival was 100% for stage I, 100% for stage II, 75.9% for stage III, 31.4% for stage IV.
Conclusion: Patients with sporadic colorectal cancer under the age of 30 seem to have poor outcome than older patients, because of characteristic clinical and biological behaviors. Early detection of colorectal cancer (CRC) confers survival benefit to young patients.
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UCI(KEPA) : I410-ECN-0101-2018-514-000888064