PMC7775645_01
Magnetic resonance T1WI contrast enhanced axial images show treatment results in an 18-year-old man with vestibular schwannoma. (A) Brain scan before the initial surgery; (B) image after the initial surgery; (C) image after revision surgery via a middle fossa approach.
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No subsequent tumor regrowth was noted in a follow-up of 11 years ( Figure 1 ).
PMC7775645_02
Magnetic resonance T1WI contrast enhanced images and photograph show treatment results in a 54-year old woman with facial nerve paresis after a subtotal resection of a vestibular schwannoma. At one year after the initial surgery, (A) coronal and (B) axial MR images show growth after stereotactic radiosurgery. Then, revision surgery was performed, via a retrosigmoid approach with facial neurorrhaphy; 11 months later, (C) coronal and (D) axial T1WI MR images show the results of a gross total resection with (E) satisfactory facial nerve function.
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In a 2-year follow-up, FN function improved to HB grade III ( Figure 2 ).
PMC7775645_03
Images show treatment results in a 53-year old male with right facial nerve and abducens nerve pareses and right-sided deafness, after a partial VS removal. Photographs show the patient with the face (A) at rest, (B) with closed eyes, and (C) when asked to put out his tongue. The latter image is significant, because it shows no visible muscular atrophy and a straight position. (D-F) Magnetic resonance T1WI images with contrast enhancement show the brain (D) before, and (E) after the first surgery, which resulted in a remnant tumor. (F) The brain after revision surgery via a translabyrinthine approach.
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At a 1-year follow-up, his FN function improved to HB grade III, and a postoperative MRI revealed no tumor remnant ( Figure 3 ).