Endoscopic diagnosis of gastric metastases from malignant melanoma: systematic review.

Background/aims: Metastases of malignant melanoma (MM) are rare and associated with poor prognosis. The objective of this study was to analyze the clinical and endoscopic characteristics of gastric metastases of MM by systematically reviewing cases and case series involving patients diagnosed using upper gastrointestinal endoscopy.

Methods: The PubMed and LILACS databases were searched.