[1] Univ Fed Rio de Janeiro, Hosp Univ Clementino Fraga Filho, Dept Radiol, Rua Rodolpho Paulo Rocco 255,Cidade Univ, BR-21941913 Rio De Janeiro, RJ, Brazil
[2] Natl Inst Traumatol & Orthoped, Dept Orthoped Oncol, Ave Brasil 500, BR-20940070 Rio De Janeiro, RJ, Brazil
[3] Clin Diagnost Imagem CDPI, Dept Radiol, Ave Amer 4666,302A,303,307,325,326,Barra Tijuca, BR-2640102 Rio De Janeiro, RJ, Brazil
[4] Fed Fluminense Univ, Dept Radiol, Ctr, Rua Marques Parana 303, BR-24070035 Niteroi, RJ, Brazil