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KMID : 0371320070720020147
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Journal of the Korean Surgical Society
2007 Volume.72 No. 2 p.147 ~ p.152
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Metastatic Choroidal Melanoma Presenting as an Abdominal Mass
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Park Won-Seo
Heo Seung-Chul
Kim Ji-Eun
Chung Jung-Kee
Jung In-Mok
Ahn Young-Joon
Hwang Ki-Tae
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Abstract
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Primary omental tumors are rare, with most being metastatic, especially those from intra-abdominal organs. Breast and lung malignancies, as well as melanomas, are frequent causes of extra-abdominal cancers metastasizing to the omentum, peritoneum and mesentery. The case of a metastatic omental melanoma from the choroid of the eye was experienced, which formed a solitary mass in the omentum similar to that of a primary omental tumor. The patient was unaware of the nature of her eye disease following enucleation seven years previously. Concomitant liver metastases were also not identified on a CT scan, due to their relatively small sizes. Therefore, the metastatic melanoma was misconceived as a primary omental tumor until laparotomy and pathologic confirmation. This case shows that a metastatic melanoma can be presented as an abdominal mass, and should be considered in the differential diagnosis of an intra-abdominal mass. (J Korean Surg Soc 2007;72: 147-152)
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KEYWORD
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Melanoma, Omentum, Metastatic tumor
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