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Table 1 Cranial nerve monitoring and mapping statistics and corresponding current parameters

From: Cranial nerve monitoring in endoscopic endonasal surgery of skull base tumors (observing of 23 cases)

Patient Diagnosis (histologic) Localization Symptoms before surgery Approach Tumor removal radicality Cranial nerve identification Symptom dynamics
At discharge 3 months after surgery
Patient 1. 63 years old Trigeminal nerve neurinoma Meckel’s cave Paresis of CNs III, V on the right Extended lateral (D) Total V and VII on the right Paresis of CN III on right remained, increased paresis of CN VI on right up to plegia, CN V failure remained as well Regression of CN VI right paresis
Patient 2.50 years old Chordoma Clivus area Paresis of CNs III, VI on the right Posterior extended transclival Total III bilaterally, VI on the left Without dynamics Partial regression of oculomotor disorders
Patient 3.49 years old Trigeminal nerve neurinoma Left cavernous sinus Paresis of CNs III, IV, VI on the left Extended lateral (L) Total VI and V on the left Partial regression of oculomotor disorders Further regression of oculomotor disorders
Patient 4.72 years old Chordoma Endo-supra-infra-latero (R, L)sellar Chiasmatic syndrome, plegia of CN III on the left Transsellar + extended bilateral subtotal VI bilaterally Without dynamics n/a
Patient 5.59 years old Trigeminal nerve neurinoma Right cavernous sinus Hypoesthesia in projection of all 3 branches of CN V on right Extended lateral (R) Total VI and V on the right Partial regression of hypoesthesia Without dynamics
Patient 6.66 years old Chordoma Clivus area Left hemiparesis: arm—2, leg—3. Paresis of CNs V and VII on the left. Left hemi-hypoesthesia Posterior extended transclival Total III bilaterally, VI on the right Partial regression of left hemiparesis: arm—3, leg—4 Partial regression of left hemiparesis: arm—4, leg—4. Regression of VII left nerve paresis
Patient 7.26 years old Chordoma Clivus area and left cavernous sinus Paresis of CNs V and VI on the left Posterior extended transclival Total III on the left Partial regression of VI left nerve paresis Without dynamics
Patient 8.65 years old Chordoma Endo-supra-infrasellar Headache Posterior extended transclival + extended bilateral Total VI bilaterally Regression of headache Without dynamics
Patient 9.70 years old Chordoma Both cavernous sinuses VIS OS = 0.01 Extended bilateral Total VI on the left VIS OS = 0.03 VIS OS = 0.04
Patient 10.20 years old Chordoma Clivus area Paresis of CN VI on the left Posterior extended transclival Total VI bilaterally Partial regression of VI left nerve paresis Without dynamics
Patient 11.59 years old Pituitary adenoma Endo-supra-latero(R)sellar Chiasmatic syndrome Extended lateral (R) Total III on right, VI on the right Without dynamics Without dynamics
Patient 12.67 years old Chordoma Clivus area Paresis of CN VI on the left Posterior extended transclival Total V and VI on the left Partial regression of VI left nerve paresis. Regression of headache Without dynamics
Patient 13.31 years old Chordoma Clivus area Paresis of CN VI on the left Posterior extended transclival Total VI on the left Regression of headache Without dynamics
Patient 14.26 years old Chordoma Clivus area Paresis of CN VI on the left Posterior extended transclival Total VI bilaterally Regression of VI left nerve paresis Without dynamics
Patient 15.47 years old Trigeminal nerve neurinoma Right cavernous sinus Paresis of CN V on the right Extended lateral (R) Total VI on the right Without dynamics Without dynamics
Patient 16.65 years old Trigeminal nerve neurinoma Right cavernous sinus Paresis of CN III on the right Extended lateral (R) Total III, VI, V on the right Increased paresis of CN III on right Without dynamics
Patient 17.54 years old Recurrent chordoma Clivus area, left cavernous sinus Paresis of CN VI on the left Extended lateral (L) Total III, VI on the left Partial regression of VI left nerve paresis Regression of VI left nerve paresis
Patient 18.62 years old Meningioma Clivus area Paresis of CN XII on the right Posterior extended transclival Subtotal VI on the left Regression of XII right nerve paresis Without dynamics
Patient 19.33 years old Cholesteatoma Clival area Paresis of CNs V, VII, VIII, IX, on the left Posterior extended transclival Subtotal III, VI, VII, XII on the left Increased paresis of CN VI on left Without dynamics
Patient 20.72 years old Recurrent pituitary adenoma Endo-supra-latero(D)sellar Headache Transsellar + extended lateral (R) Total III on the right Negative dynamics of visual functions Without dynamics
Patient 21.53 years old Meningioma Petroclival Headache Posterior extended transclival Subtotal VI on the left Increased paresis of CN VI on left Regression of VI left nerve paresis
Patient 22.45 years old Chondroid-chordoma Clival area Paresis of CNs VI, V Posterior extended transclival Subtotal III, V on the left Increased paresis of VI nerve N/a
Patient 23.63 years old Pituitary adenoma Endo-supra-infra-latero(S)sellar Chiasmatic syndrome Transsellar + extended lateral (S) Total III, VI on the left Regression of III, VI nerves paresis N/a
  1. Italics displays complications
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Chinese Neurosurgical Journal

ISSN: 2057-4967

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