Martin, Sarah E, Michelle L Qiu, Andrew J Fabiano, Frank Chen, and Jingxin Qiu. “A Rare Case of Leptomeningeal Signet-Ring Cell Melanomatosis With Unknown Primary Mimicking Leptomeningeal Carcinomatosis”. North American Journal of Medicine and Science 9, no. 1 (January 31, 2016). Accessed May 10, 2026. https://www.najms.com/index.php/najms/article/view/102.