Skull Base Surgery of the Posterior Fossa

226

Posterior fossa (cont.)
retrosigmoid, 14, 15
postoperative care, 189
radiosurgical treatment, 184
SCA, 11
SCIT, 13
SRS, 191
stereotactic radiosurgery, 190, 191
suboccipital craniotomy, 14
veins, 11
WBRT, 190
Posterior fossa, 201
AVM (see Arteriovenous malformations (AVM))
EEA
extradural, 77–81
indications, 83
intradural, 81–84
Posterior inferior cerebellar artery (PICA), 11, 68,
196, 197
Posterior interhemispheric transtentorial approach,
125–127
Posterior petrous face meningiomas (PPFM), 103, 104,
106–109, 111
Posterior spinal artery, 68
Posterior tentorium
aggressive resection, 131–134
operative approach, 128
suboccipital approach, 129–131
surgical management, 128
surgical planning, 128–129
Posterior transpetrosal approaches
complications and avoidance, 98
indications and limitations, 97
surgical technique and nuances, 97–98
Posterolateral approach, 80, 137
Postoperative day (POD), 46
Prass electrode, 149
Preauricular curvilinear incision, 41
Pre-medullary region, 71
Presigmoid
jugular foramen, 18, 20
mastoidectomy, 15–18
supra-/infratentorial petrosal, 18
transcochlear, 18
transcrusal, 18
translabyrinthine, 18
transotic, 18

R
Radiation therapy, 81
Radical tumor resection, 90
Radiological imaging, 90
Radiological surveillance, 90
Rankin Scale score, 214
Recurrence-free survival, 79
Recursive partitioning analysis (RPA), 182, 185
Resection
BAER, 149

MFA and retrosigmoid approaches, 145

neurosurgeons, 150

VS, 157, 159, 161

Retrolabyrinthine approach, 98

Retrosigmoid approaches, 14, 15, 116, 118, 120,

125–129, 167, 188, 210–212

indications, 145

surgical outcome, 150

surgical risks and complications, 150

surgical technique, 146–149

Retrosigmoid craniectomy

asterion, 32

CN, 29

sigmoid sinus, 33

Retrosigmoid craniotomy

anatomy

CN, 29

cranial and extradural, 27

flocculus, 29

intradural, 28

SCA, 28

complications, 34

indications, 27

surgical technique

closure, 33, 34

CSF, 33

dura, 32

Kerrison rongeurs, 31

positioning, 29–31

reconstruction, 33, 34

sigmoid-transverse junction, 31

Retrosigmoid suboccipital approach, 95, 96

S

Safe anesthetic techniques, 93

SCA, see Superior cerebellar artery (SCA)

Scalp-based fiducials, 104

Schwannomas, 75, 76

Sella, 89

Sigmoid sinus, 128, 129

Sigmoid sinus thrombosis, 49, 50

Simpson Grade I resection, 84

Simulating acoustic tumors, 103

Skin incision, 57

Skull base, 3–4

approaches, 75, 207

lesions, 55, 56

reconstruction, 75, 84

Skull base metastasis (SBM), 178

Somatosensory evoked potentials

(SSEP), 56

Sphenoethmoid complex, 77

Sphenoid bone, 3, 12

Sphenoid sinus, 76

Spheno-occipital bones, 79

Spheno-occiput, 77

Spinocranial meningiomas, 83

Squamous epithelium, 165

Index