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Gastrointestinal Melanoma With Multifocal Small Bowel Intussusceptions: A Rare Case Report and Literature Review

摘要


Primary or secondary melanoma of the small intestine is rare. Here, we present a case of a 57-year-old female patient with melena and microcytic anemia. Computed tomography (CT) showed a submucosal tumor of the duodenum, the circumferential thickening of the jejunum wall, and multiple simultaneous small bowel intussusceptions without significant bowel obstruction. Endoscopy showed a pigmented submucosal tumor in the duodenum. Malignant melanoma was confirmed through biopsy. There was no definitely identifiable cutaneous lesion.

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