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KMID : 0614620200760050251
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Korean Journal of Gastroenterology
2020 Volume.76 No. 5 p.251 ~ p.255
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Low-grade Rectal Neuroendocrine Tumor Recurring as Multiple Hepatic Metastasis after Complete Endoscopic Removal: A Case Report
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Jo Ik-Hyun
Lee Kang-Moon
Kim Dae-Bum
Lee Ji-Min
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Abstract
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The World Health Organization classified rectal neuroendocrine tumors (NETs) as malignant in 2010 owing to their distant metastasis potential. On the other hand, in cases of small rectal NETs (<10 mm), which have a low risk of metastasis, endoscopic removal is the first-line therapeutic option, and regular surveillance is not recommended. The authors report a case of a small, well-differentiated rectal NET, which recurred as multiple hepatic metastases 5 years after apparent complete removal using endoscopic methods.
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KEYWORD
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Neuroendocrine tumors, Rectum, Carcinoid tumor, Neoplasm metastasis
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