Low-grade Rectal Neuroendocrine Tumor Recurring as Multiple Hepatic Metastasis after Complete Endoscopic Removal: A Case Report
조익현, 이강문, 김대범, 이지민,
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조익현 ( Jo Ik-Hyun )
Catholic University College of Medicine St. Vincent’s Hospital Department of Internal Medicine
이강문 ( Lee Kang-Moon )
Catholic University College of Medicine St. Vincent’s Hospital Department of Internal Medicine
김대범 ( Kim Dae-Bum )
Catholic University College of Medicine St. Vincent’s Hospital Department of Internal Medicine
이지민 ( Lee Ji-Min )
Catholic University College of Medicine St. Vincent’s Hospital Department of Internal Medicine
Abstract
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.
키워드
Neuroendocrine tumors; Rectum; Carcinoid tumor; Neoplasm metastasis
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