| Association between Thyroid Cancer and Advanced Colorectal Neoplasia |
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Da Min Kim, Jung Ha Kim, Jun Young Park, Byung Woo Jun, Lim Hwa Song, Hyun Ae Jung, Young-Ho Kim |
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Department of Internal Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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| 갑상선암 환자에서 진행성 대장 선종 혹은 대장암 발생의 상관관계 |
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김다민, 김정하, 박준영, 전병우, 송림화, 정현애, 김영호 |
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성균관대학교 의과대학 삼성서울병원 내과학교실 |
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| Abstract |
Background/Aims
Colorectal cancer and thyroid cancer are common diseases with relatively higher survival rates compared with other cancers. The number of patients identified with colorectal cancer or thyroid cancer who develop multiple primary malignancy during long-term follow-up is increasing with advances in diagnostic techniques and treatment modalities. However, the association between colorectal cancer and thyroid cancer is uncertain, and few data have been reported in Korea. This study examined the association between thyroid cancer and colorectal neoplasm. Methods: We retrospectively investigated 363 patients who underwent a colonoscopy, among patients diagnosed with thyroid cancer between January 2004 and December 2008 at Samsung Medical Center. The control group was comprised of 2,494 patients who underwent screening colonoscopy for the first time within the study period at the center for health promotion at Samsung Medical Center between March 2004 and December 2005. Results: The detection rates in patients with thyroid cancer were 4.7% (17/363) for advanced adenomas and 2.8% (10/363) for colorectal cancer. In the control group, it was 3.2% (79/2,494) for advanced adenomas and 0.3% (7/2,494) for colorectal cancer. A multivariate analysis revealed that the presence of thyroid cancer had an odds ratio of 1.893 (95% confidence interval, 0.868-4.128, P=0.109) in favor of finding at least one advanced colorectal neoplasm. Conclusions: The results indicate that thyroid cancer is not associated with advanced colorectal neoplasm. Survivors of thyroid and colorectal cancer live longer and hence are at risk for second primary cancers. Therefore, further studies that prospectively evaluate the association between thyroid cancer and colorectal advanced neoplasm are needed. (Intest Res 2011;9:206-210) |
| Key Words:
Colorectal Neoplasms, Advanced Adenoma, Thyroid Neoplasms, Colonoscopy |
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