1. Randi G, Malvezzi M, Levi F, Ferlay J, Negri E, Franceschi S, et al. Epidemiology of biliary tract cancers: an update. Ann Oncol. 2009;20:146–59.
2. Win AZ, Aparici CM. Rare case of gallbladder cancer presenting with meta-stasis to bone and brain in an African American male discovered by F18-FDG PET/CT. J Biomed Graph Comput. 2013;3:24–9.
3. Marcal L, Viswanathan C, Szklaruk J. Computed tomography. In: Thomas CR, Fuller CD, editors. Biliary tract and gallbladder cancer: diagnosis and therapy. New York: Demos Medical Publishing; 2009. p. 141–66.
4. Deeb LS, Yamout BI, Shamseddine AI, et al. Meningeal carcinomatosis as the presenting manifestation of gastric adenocarcinoma. Am J Gastroenterol. 1997;92(2):329–31.
5. Kokkoris CP. Leptomeningeal carcinomatosis. How does cancer reach the pia-arachnoid? Cancer. 1983;51(1):154–60.