• Zhou Ye, Zhe Yang, Shusen Zheng, and Weilin Wang.
• Department of Hepatobiliary and Pancreatic Surgery, First Affiliated Hospital, Zhejiang University School of Medicine Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Zhejiang University, Hangzhou, Zhejiang Province, PR China.
• Medicine (Baltimore). 2018 Jun 1; 97 (26): e11207e11207.

RationaleUveal melanoma is the most common primary intraocular malignancy, which could metastasize at an early stage of the disease and associated with poor prognoses. Liver, small bowel, stomach, and colon are the most common locations for metastatic visceral melanoma, however, solitary abdominal metastasis from uveal melanoma is extremely rare.Patient ConcernsThe current study reports the case of a 33-year-old man with history of treated choroidal melanoma of the left eye that developed metastasis to the abdomen, preoperative endoscopic ultrasonography and computed tomography strongly suggested as a gastrointestinal stromal tumor (GIST).DiagnosesThe patient was diagnosed with abdominal metastatic melanoma according to his medical history and histopathological results.InterventionsThe young adult underwent robot-assisted laparoscopic surgery.OutcomesThe patient finally got the definite diagnosis with his medical history and histopathological results and he has been living disease free for nearly 3 years after the surgery.LessonsAlthough rare, the possibility of abdominal metastatic melanoma presenting with the clinical picture of gastrointestinal stromal tumor must be always considered by the surgeon especially the patients with a history of primary malignant melanoma.

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