Fig. 1

Patient with recurrent cholesteatoma following a canal-wall up tympanomastoidectomy. A) Axial unenhanced small field of view CT image demonstrates low density soft tissue (black arrow) filling the attic, aditus ad antrum and epitympanum. B) Axial 3 mm thick PROPELLER non-EPI DWMRI shows avid restricted diffusion (white arrow) within the recurrent cholesteatoma in the attic and epitympanum