“…To the best of our knowledge, there are only 17 cases of FB in CB described in literature, including 2 cases reported by DuFour, but without any clinical or radiological informations. [1 , 3 , 6 , 8 , 10 , [12] , [13] , [14] , [15] , [16] , [17] , [18] , [19] , [20] , [21] ].…”