Fig. 3From: Inner ear salivary gland choristoma extending to the middle ear with congenital profound hearing loss and facial palsy: a case reporta At the end of the surgical removal. The tumor was spared in the internal auditory canal and the deep layer of the epitympanum (white dotted area: residual tumor in the internal auditory canal). *: facial nerve; †: temporomandibular joint). b MRI at 2 years postoperatively shows a residual lesion of about 2 cm in the deep part of the left petrous bone near the internal auditory canal up to the epitympanum (dotted area), which did not show regrowth compared to the MRI images at 2 months after the surgeryBack to article page