 Literature survey on epidemiology and pathology of gangliocytic paragangliomaYoichiro Okubo1, Megumi Wakayama1, Tetsuo Nemoto1, Kanako Kitahara1, Haruo Nakayama2, Kazutoshi Shibuya1Email author, Tomoyuki Yokose3, Manabu Yamada1, Kayoko Shimodaira1, Daisuke Sasai1, Takao Ishiwatari1, Masaru Tsuchiya4 and Nobuyuki Hiruta1BMC Cancer201111:187DOI: 10.11861471-2407-11-187 Okubo et al; licensee BioMed Central Ltd. 2011Received: 24 September 2010Accepted: 20 May 2011Published: 20 May 2011Author comments - Yoichiro OkuboReviewer Report - Agatha Kondi-PafitiReviewer Report - Ohtsuki YujiAuthors Affiliations1Department of Surgical Pathology, Toho University School of Medicine2Department of Neurosurgery, Toho University Ohashi Medical Center3Department of Pathology, Kanagawa Cancer Center4Division of General and Gastroenterological Surgery, Department of Surgery Omori, Toho University School of Medicine 