PMC4129166_01
A soft mass-like lesion is at the posterosuperior wall of right external auditory canal entrance.
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Her medical examination showed a soft mass-like lesion with a diameter of about 1.5 cm at the posterosuperior wall of the right external auditory canal entrance (Figure 1).
MRI and CT images of the tegmen defect and herniated brain tissue.
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MRI showed a 12 mm defect at lateral segment of right tegmen tympani and a nodular signal of about 15 x 13 x 10 mm, which was isointense to brain parenchyma in all sequences filling the right middle ear and proximal segment lodge of the external ear canal (Figure 2).
Herniated fibrotic glial tissue is excised by neurosurgery team.
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Neurosurgery team excised the herniated fibrotic glial tissue (Figure 3) extending to external ear canal by using bipolar cautery.
Cavity is obliterated with cartilage grafts.
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Cavity was obliterated with cartilage grafts (Figure 4).
Durability is maintained by fibrin glue (Tisseel Kit).
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Durability was improved with fibrin glue (Tisseel Kit) (Figure 5), and thus the operation was completed.