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Table 2 Main preoperative and postoperative symptoms and signs

From: Retrosigmoid-transtentorial approach for petroclival meningiomas: operative technique and clinical outcome

Symptoms/Signs Pre-operation Post-operationa No improvementb I/Rb
(n = 64) (n = 63) (n = 53) (n = 53)
CN III impairment 5 17 3 13
CN IV impairment 2 4 0 4
CN V impairment 42 37 10 25
CN VI impairment 7 14 4 9
CN VII impairment 16 18 10 8
Lower cranial nerve impairment 32 16 5 9
Hemiparesis 18 23 4 16
Disequilibrium 37 18 5 10
Headache 32 7 3 3
  1. CN cranial nerve, I/R improvement/recovery; aAt discharge bLatest follow up