224
Lateral midbrain, 207
Lateral pons, 209
Lateral/posterolateral approaches, 95
Lateral tentorium
combined presigmoid approach, 128, 129
retrosigmoid approach, 125–129
sigmoid sinus, 128, 129
surgical planning, 125
Leptomeningeal disease (LMD), 188, 189
LINAC system, 190
Linear/curvilinear retromastoid incision, 66
Lower clivus, 76
M
Macewen’s triangle, 97
Magnetic resonance imaging (MRI), 79, 82, 104
Malignant transformation, 173
Mastoidectomy, 15–18, 44, 97
Mayfield clamp, 66
Meckel’s cave, 81, 89, 94
MEDPOR cranioplasty, 149, 154
Ménière’s disease, 150
Meniere’s syndrome, 103
Meningiomas, 75, 78, 82, 83, 89, 103, 115
advantages and limitations, 83–84
CPA (see Cerebellopontine angle (CPA))
EEA, 81, 83
endoscopic management, 81
management of ventral posterior fossa, 81
outcomes, petroclival meningiomas, 81
pathological anatomy
clival meningiomas, 83
foramen magnum meningiomas, 83
petroclival meningiomas, 82–83
PC (see Petroclival (PC) meningiomas)
preoperative radiological assessment, 82
radiation therapy, 81
tentorial meningiomas (see Tentorial meningiomas)
ventral posterior fossa, 81
Meningitis, 49
Metastasis
brain imaging, 177
breast cancer patient, 179
cerebellum, 177, 178
clinical presentation, 179
CT and MRI, 180
necrotic and cystic lesions, 180
perioperative care, 184
preoperative care, 185
recursive partitioning analysis, 185
SBM, 178–180
SRS, 181
surgical techniques, 184
treatment, 182, 183
WBRT, 181
Metastatic lesions, 188, 189
Microneurosurgical skull base techniques, 89
Microsurgery
AVMs, 214
cavernous malformations, 214
dissection, 75
posterior circulation aneurysms
AICA, 214
basilar and vertebral, 212
BRAT, 211–214
ISAT, 211–214
PCA, 213, 214
SCA, 214
Microsurgical treatment
diagnostic imaging, 204
DSA, 205
ICG, 205
neurological examination, 204
neuromonitoring, 205
patient history, 204
Middle cerebellar peduncle (MCP), 212
Middle cerebral artery (MCA), 208
Middle clivus, 76
Middle fossa, 49, 50
bone flap, 41
complications
CSF leak, 49
hemorrhage, 49
meningitis, 49
neurological, 50
sigmoid sinus thrombosis, 49, 50
VTE, 50
dura, 41, 42
facial nerve, 40, 48
GSPN, 41
IAC, 39, 42
ipsilateral scalp, 40
Layla retractor, 41
postoperative pain, 47
skin incision, 40
symptomatic control, 47
vestibular nerve, 37
Middle fossa approach (MFA)
axial, 156
axial T2-weighted and coronal T1-weighted MRI,
151, 158
bony exposure, 152–155
cadaveric dissection, 152
dural opening techniques, 155, 156
fallopian canal, 150
IAC, 151, 152
indications, 150
intracanalicular tumor with cisternal extension, 154
limitations, 156, 157
otolaryngologists, 150
surgical anatomy, 150, 151
surgical outcome, 157
surgical risk and complications, 157
tumor dissection techniques, 155, 156
Middle meningeal artery (MMA), 151, 155
Middle petrous face meningiomas (MPFM), 103, 104,
106–108
Midline approach, 186
Midline suboccipital craniotomy, 167, 173Index