First Branchial Cleft Malformation with Duplication of External Auditory Canal
Figure 4
(a) CT fistulogram axial section showing the opening into the external auditory canal at bony cartilaginous junction (marked as 1). (b) CT fistulogram axial section (lower section to Figure 4(a)) showing the bifurcation of the fistula tract. (1) Styloid process, (2) main fistula tract going towards external auditory canal, and (3) bifurcation going to the postaural region with spillage of contrast.
