Giant-Cell Tumor of the Tendon Sheath in the Upper Cervical Spine - Teixeira, William Gemio Jacobsen; Lara Jr., Nilton Alves; Narazaki, Douglas Kenji; Oliveira, Claudia de; Cavalcanti, Conrado; Marins, Lidiane Vieira; Cristante, Alexandre Fogaça; Teixeira, Manoel Jacobsen; Barros Filho, Tarcísio Eloy de (Journal of Clinical Oncology, 2012)