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KMID : 0359020070340040233
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Korean Journal of Gastrointestinal Endoscopy
2007 Volume.34 No. 4 p.233 ~ p.238
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A Small Rectal Carcinoid Tumor with Multiple Liver Metastases.
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Baik Du-San
Lee Joon-Hyuk
Lee Soon-Il
Shin Jeong-Eun
Park Sang-Won
Lee Won-Ae
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Abstract
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Rectal carcinoid tumors are relatively uncommon and make up 1~2% of tumors found in the rectum. Approximately 50% of the tumors are asymptomatic and are found incidentally. In most cases, the tumors are slowly growing in nature and thus have a favorable outcome. Anywhere from 66 to 80% of rectal carcinoid tumors are smaller than 1 cm and rarely metastasis. However, malignant behavior, such as invasion to the muscle wall, and metastasis to a distant organ, may be seen infrequently with tumors greater than 2 cm in size. The liver is the most common site of a metastasis. We experienced a case of a 1 cm sized small rectal carcinoid tumor with multiple liver metastases.
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KEYWORD
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Rectal carcinoid tumor, Liver metastases
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