Affiliation: | 1.Department of Radiology,H?pital Beaujon, AP HP, Université Paris 7, Faculté de médecine Bichat-Beaujon ,Paris,France;2.Department of Radiology,H?pital Beaujon,Clichy,France;3.Department of Internal Medicine,H?pital Beaujon, AP HP, Université Paris 7, Faculté de médecine Bichat-Beaujon,Paris,France |