Journal of neurosurgery. Case lessons · 2022
Diplopia outcomes following stereotactic radiosurgery for petroclival or cavernous sinus meningiomas: patient series.
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Levy Bennett R, Berger Assaf, Kondziolka Douglas
Аннотация
BACKGROUND: Skull base meningiomas (SBM) often present with diplopia due to compression of the abducens cranial nerve (CN VI). The authors evaluated outcomes in 13 patients diagnosed with SBMs who were experiencing diplopia to determine if Gamma Knife surgery (GKS) resulted in resolution of their symptoms.
OBSERVATIONS: Fourteen patients who were diagnosed with SBMs located in the cavernous sinus, clivus, or petroclival regions and presented with diplopia were treated by GKS. Demographic and clinical data as well as the duration of diplopia prior to GKS were documented. Of the 13 patients included in the study, 1 was excluded because he was lost to follow-up. For the remaining 12, diplopia was resolved in 10 (83%) and no change was noted in 2 (17%). Time to resolution was measured in months, varying from 1 to 30 months, with a median resolution time of 4.5 ± 9.7 months. Of the patients with documented postradiosurgical resolution (n = 10), the median amount of time with diplopia prior to GKS was 1.5 months (range, 1 to 20).
LESSONS: This study showed that diplopia, related to a basal meningioma, may improve following GKS. An earlier time course to radiosurgery after diplopia onset was associated with better outcomes.
OBSERVATIONS: Fourteen patients who were diagnosed with SBMs located in the cavernous sinus, clivus, or petroclival regions and presented with diplopia were treated by GKS. Demographic and clinical data as well as the duration of diplopia prior to GKS were documented. Of the 13 patients included in the study, 1 was excluded because he was lost to follow-up. For the remaining 12, diplopia was resolved in 10 (83%) and no change was noted in 2 (17%). Time to resolution was measured in months, varying from 1 to 30 months, with a median resolution time of 4.5 ± 9.7 months. Of the patients with documented postradiosurgical resolution (n = 10), the median amount of time with diplopia prior to GKS was 1.5 months (range, 1 to 20).
LESSONS: This study showed that diplopia, related to a basal meningioma, may improve following GKS. An earlier time course to radiosurgery after diplopia onset was associated with better outcomes.