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KMID : 0371420180940050274
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Annals of Surgical Treatment and Research
2018 Volume.94 No. 5 p.274 ~ p.278
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Primary malignant melanoma of the small intestine: a report of 2 cases and a review of the literature
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Yang Kwan-Mo
Kim Chan-Wook
Kim So-Woon
Lee Jong-Lyul
Yoon Yong-Sik
Park In-Ja
Lim Seok-Byung
Yu Chang-Sik
Kim Jin-Cheon
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Abstract
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The majority of malignant melanomas in the small intestine are metastases from primary cutaneous lesions, it can also develop as a primary mucosal tumor in the gastrointestinal tract. In this report, we present rare cases of primary small bowel melanoma and review the current literature. A 78-year-old male presented with abdominal pain and CT enterography identified a ileal mass. A 79-year-old female presented with signs and symptoms of partial small bowel obstruction. Abdominopelvic CT and small bowel series revealed a obstructing mass in the distal jejunum. The masses were confirmed on laparotomy and histologically diagnosed as melanoma. Extensive postoperative clinical examination revealed no cutaneous lesions. A primary small bowel melanoma is an extremely rare neoplasm. A definite diagnosis can only be made after a thorough investigation has been made to exclude the coexistence of a primary lesion. Curative resection of the tumor remains the treatment of choice.
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KEYWORD
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Melanoma, Gastrointestinal tract, Small intestine
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