MARTIN, Sarah E; QIU, Michelle L; FABIANO, Andrew J; CHEN, Frank; QIU, Jingxin. A Rare Case of Leptomeningeal Signet-Ring Cell Melanomatosis with Unknown Primary Mimicking Leptomeningeal Carcinomatosis. North American Journal of Medicine and Science, [S. l.], v. 9, n. 1, 2016. Disponível em: https://www.najms.com/index.php/najms/article/view/102. Acesso em: 10 may. 2026.