期刊
JOURNAL OF NEUROLOGICAL SURGERY PART B-SKULL BASE
卷 79, 期 -, 页码 S387-S388出版社
THIEME MEDICAL PUBL INC
DOI: 10.1055/s-0038-1669971
关键词
cerebellopontine angle; vestibular schwannoma; microsurgery; recurrent; resection; translabyrinthine approach
Although, gross total resection in large vestibular schwannomas is an ideal goal, subtotal resection is frequently performed due to lack of expertise, concerns for facial palsy, or overuse of stereotactic radiation. In this video, we present a 31-year-old man with a 7-year history of tinnitus, dizziness, and hearing loss. The patient had a subtotal resection of a 2.5 cm right-sided vestibular schwannoma via retrosigmoid craniotomy at an outside hospital. He was referred for further surgical resection due to the increased size of the tumor on surveillance magnetic resonance imagings (MRIs) and worsening symptoms. MRI showed a residual/recurrent large schwannoma with extension to the full length of the internal acoustic canal and brain stem compression. He underwent microsurgical gross total resection via a translabyrinthine approach. The facial nerve was preserved and stimulated with 0.15 mA at the brainstem entry zone. He awoke with House-Brackmann grade III facial function, with an otherwise uneventful postoperative course. In this video, microsurgical techniques and important resection steps for this residual/recurrent vestibular schwannoma are demonstrated, and nuances for microsurgical technique are discussed. The link to the video can be found at: https://youtu.be/a0ZxE41Tqzw.
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