Skull Base Surgery of the Posterior Fossa

227

S-shaped incision, 66
Stereotactic radiosurgery (SRS), 89, 93, 94, 101, 173,
190, 191
Sternocleidomastoid muscle, 66
Subarachnoid aneurysm trial (ISAT), 212
Subarachnoid hemorrhage (SAH), 200
Suboccipital, 213
approaches, 95, 96, 129–131
craniotomy, 68, 135, 185, 188
Subperiosteal dissection, 66
Superficial muscles, 66
Superior cerebellar approach, 188
Superior cerebellar artery (SCA), 11, 198, 199
Superior petrosal sinus (SPS), 56, 96
Superior sagittal sinus, 131–134
Superior semicircular canal (SCC), 96, 97,
99, 151
Supra-/infratentorial petrosal approaches, 18
Supracerebellar-infratentorial (SCIT), 207
Supracondylar, 65, 70–73
Surgical approaches, PC meningiomas, 94, 95
Surgicel, 149

T
T2/FLAIR MRI, 90
Temporal bone, 4, 6, 12, 22
Temporo-occipital synchondrosis, 77
Tentorial incisura, 115–117
anterior transpetrosal approach, 116, 117, 120
combined transpetrosal approach, 117, 122
interpeduncular, crural and ambient
cisterns, 115
retrosigmoid approach, 116, 118, 120
surgical planning, 115–116
Tentorial meningiomas
classification, 115, 116
falcotentorial type, 117–125
incisural type, 115–117
intracranial, 115
lateral tentorium, 125–128
morphological features, 115
posterior type, 128–134
Tentorium, 4
Three-quarter prone position, 66
Transbasal transplanum transclival approach, 94
Transclival approach, 76
Transcochlear approach, 18
Transcondylar, 65, 69, 70, 73
Transcranial approaches, 94
Transcrusal approach, 18, 98
Transfacial approaches, 94
Translabyrinthine approach, 18, 38, 49, 50,
98, 157
Adson Cerebellar Retractors, 44
bone removal, 45
complications
CSF leak, 49
hemorrhage, 49

meningitis, 49

neurological, 50

sigmoid sinus thrombosis, 49, 50

VTE, 50

cottonoids, 46

facial nerve, 46, 48, 159

hemostasis, 45, 46

IAC, 45

indications, 157

labyrinthectomy, 44

limitations of, 159

mastoidectomy, 43

morbidity and mortalities, 161

patient counseling, 40

perioperative considerations, 159–161

surgical risks and complications, 159

tumor removal techniques, 157–159

vestibular schwannoma, 161

Transmastoid, 73

Trans-middle cerebellar peduncle

approach, 212

Transpetrosal approaches, 92, 95, 116

anterior (Kawase’s), 96–97

combined, 98–99

posterior, 97–98

Trans-superior fovea approach, 213

Trans-tumor corridor, 65

Transverse sinus, 129–131

Trapezius muscle, 66

Tuberculum jugulare meningioma, 84

Tuberculum sella meningiomas, 138

Tumor dissection techniques, 155, 156

Tumor embolization, 92

Tumor growth index, 90

Tumor removal techniques, 157–159

Tumor resection, 60, 61

U

Ultrasonic aspirators, 140

Upper clivus, 76

V

Vascular anatomy (VA), 196

Vascular lesions, 65, 206–211

Vascular relationships, 82

Vascular tumors, 189

Veins, 11

Venous drainage system, 91

Venous sinuses, 4–6

Venous thromboembolism (VTE), 50

Ventral medulla, 209

Ventral midbrain/posterior fossa, 206–207

Ventral pons, 209

Ventral posterior fossa intradural epidermoid and

dermoid cysts, 75

Vermial/medial hemispheric

lesions, 186

Index