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KMID : 1038120220550040507
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Clinical Endoscopy
2022 Volume.55 No. 4 p.507 ~ p.515
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Endoscopic diagnosis of gastric metastases from malignant melanoma: systematic review
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Reggiani Helena Campoli
Pongeluppi Ana Clara Aguiar
Ferreira Vitoria Froes Miraglia Martins
Felix Isadora Pinheiro
de Oliveira Campoli Paulo Moacir
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Abstract
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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. Reports containing individual patient data were included. Outcomes such as clinical data, endoscopic findings, treatments, and survival were analyzed.
Results: A total of 88 studies with individual data from 113 patients with gastric metastases of MM were included. The primary sites of MM were the skin (62%), eyes (10%), and mucous membranes (6%). Most patients (56%) had multiple metastases in the stomach, located predominantly in the gastric body (approximately 80%). The overall survival rate at 2 years was 4%. There was a significant reduction in the survival of patients with multiple gastric metastases compared to that of patients with single metastasis (hazard ratio, 0.459; 95% confidence interval, 0.235?0.895; p=0.022).
Conclusions: Gastric metastases of MM have a poor prognosis, especially in patients with multiple implants in the stomach. Additional studies are needed to verify whether ocular and mucosal melanomas are associated with a higher risk of gastric metastases than that of cutaneous melanomas.
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KEYWORD
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Gastrointestinal endoscopy, Melanoma, Neoplasm metastasis, Stomach neoplasms, Systematic review
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