Surgery of the Skull Base : Practical Diagnosis and Therapy.

Intro -- Contents -- Contributors -- 1: Introduction into Skull Base Surgery -- 1.1 Concepts and Strategies in Skull Base Surgery -- 1.2 From Function-Preserving to Function-Improving Skull Base Surgery -- 1.3 Illustrative Cases -- 1.3.1 Neuroma of the Maxillary Nerve -- 1.3.2 Partially Thrombosed Giant Aneurysm of the Left Vertebral Artery -- 1.3.3 Palsy of the Trochlear Nerve -- 2: Clinical Anatomy -- Editor's Comment -- 2.1 Anterior Cranial Fossa and Frontal Skull Base -- 2.1.1 Osseous Components -- 2.1.2 Foramina and Their Contents -- 2.2 Middle Cranial Fossa, Sellar Region, and Temporal Base -- 2.2.1 Osseous Components -- 2.2.2 Foramina and Their Contents -- 2.3 Cranial Base of the Posterior Cranial Fossa -- 2.3.1 Osseous Components -- 2.3.2 Foramina and Their Contents -- 2.3.3 Anatomy in the Cerebellopontine Angle -- References -- 3: Therapeutical Principles in the Treatment of Skull Base Pathologies -- 3.1 Surgical Principles -- Editor's Comment -- 3.1.1 Risks of Treatment Versus Surgical Radicalness -- 3.1.2 Comprehensive Neuroradiological Diagnostics -- 3.1.3 Computer-Assisted and Navigation-­Guided Skull Base Surgery -- 3.1.4 Radiation Therapy and Stereotactic Radiosurgery -- 3.1.5 Special Techniques and Modern Technologies -- 3.1.6 Era of Miniaturisation -- 3.1.7 Training and Further Education -- 3.1.8 Function-Preserving and Function-­Improving Skull Base Surgery -- 3.2 Radiosurgical Principles -- Editor's Comment -- 3.2.1 Principles and Methods of Radiosurgery -- The Biological Basis of Radiosurgery -- Target Volume Concepts in Cranial Radiosurgery -- Tools for Radiosurgery -- Gamma Knife -- CyberKnife -- Linear Accelerators (LINACs) Modified for SRS -- Technical Issues of Radiosurgery for Skull Base Tumours: Treatment Planning, Imaging and Definition of the Target Volume.

3.2.2 Vestibular Schwannoma and Schwannomas of Other Cranial Nerves -- Introduction -- Results of Radiosurgery of  Vestibular Schwannoma: Local Control, Functional Outcome and Adverse Effects -- Posttreatment Follow-Up -- Clinical Evaluation -- Radiological Evaluation -- Conclusions and Implications for Practice -- 3.2.3 Skull Base Meningiomas -- Introduction -- Pretreatment Patient Evaluation -- Results of Radiosurgery: Local Control, Functional Outcome and Adverse Effects -- Posttreatment Follow-Up -- Clinical Evaluation -- Radiological Evaluation -- Conclusions and Implications for Practice -- 3.2.4 Pituitary Gland Adenomas -- Introduction -- Pretreatment Patient Evaluation -- Results of Radiosurgery: Local Control, Functional Outcome and Adverse Effects -- Nonsecretory Pituitary Adenomas -- Prolactinomas -- Growth Hormone-Producing Adenomas (Acromegaly) -- Adrenocorticotrophic Hormone- Producing Adenomas (Cushing's Disease) -- Treatment-Related Adverse Effects -- Posttreatment Follow-Up -- Clinical and Endocrinological Evaluation -- Radiological Evaluation -- Conclusions and Implications for Practice -- 3.2.5 Paraganglioma (Glomus Jugulare and Glomus Tympanicum Tumours) -- Introduction -- Pretreatment Patient Evaluation -- Results of Radiosurgery: Local Control, Functional Outcome and Adverse Effects -- Posttreatment Follow-Up -- Clinical and Endocrinological Evaluation -- Radiological Evaluation -- Conclusions and Implications for Practice -- References -- Surgical Principles -- Radiosurgical Principles -- 4: Trauma Traumatic Injuries of the Skull Base -- Editor's Comment -- 4.1 Injuries of the Anterior Fossa -- 4.1.1 General Information -- 4.1.2 Clinical Signs and Symptoms -- 4.1.3 Investigations -- 4.1.4 Therapeutic Options -- 4.1.5 Surgical Technique of Frontobasal Duraplasty and Cranioplasty -- 4.2 Injuries to the Middle Fossa.

4.2.1 General Information -- 4.2.2 Clinical Signs -- 4.2.3 Investigations -- 4.2.4 Therapeutic Options -- 4.3 Injuries of the Posterior Fossa -- 4.3.1 General Information -- 4.3.2 Clinical Signs -- 4.3.3 Investigations -- 4.3.4 Therapeutic Options -- 4.4 Injuries of the Craniocervical Junction -- 4.4.1 General Information -- 4.4.2 Clinical Signs -- 4.4.3 Investigations -- 4.4.4 Therapeutic Options -- 4.4.5 Surgical Technique for the Occipitocervical Fusion -- References -- 5: Tumors of the Skull Base -- Editor's Comment -- 5.1 Meningiomas of the Skull Base -- 5.1.1 Optic Nerve Sheath Meningioma (ONSM) -- General Information -- Classification -- Therapeutic Options -- Surgical Technique -- Summary -- 5.1.2 Tuberculum Sellae and Planum Sphenoidale Meningioma -- General Information -- Clinical Signs and Symptoms -- Diagnostics -- Therapeutic Options -- Surgical Technique -- Summary -- 5.1.3 Sphenoid Wing, Clinoidal, and Tentorial Fold (TF) Meningiomas -- General Information -- Clinical Signs and Symptoms -- Diagnostics -- Surgical Procedure and Technique -- TFM (Tentorial Fold Meningioma): A Unique Entity -- Surgical Technique -- Summary -- 5.1.4 Sphenoorbital en Plaque Meningiomas -- General Information -- Clinical Findings -- Surgical Technique -- Summary -- 5.1.5 Petroclival Meningiomas -- General Information -- Clinical Manifestations -- Controversies in Approach Selection -- Surgical Technique -- Extended RS Approach -- Anterior Petrosal Approach -- Summary -- 5.1.6 Foramen Magnum Meningiomas -- General Information -- Clinical Signs and Symptoms -- Surgical Technique -- Summary -- 5.2 Optic Pathway and Hypothalamus Gliomas -- 5.2.1 General Information -- 5.2.2 Clinical Findings -- 5.2.3 Investigations -- 5.2.4 Therapeutic Options -- Chemotherapy -- Radiation Therapy (RT) -- 5.2.5 Surgical Treatment.

Optic Nerve Glioma Without Involvement of the Chiasm -- Chiasmal Hypothalamic Tumors -- Diffuse Optic Pathway Gliomas -- Surgical Approaches -- Combined Pterional Intra- and Extradural Approach -- Lateral Orbitotomy -- Supraorbital Approach -- Anterior Interhemispheric Transcallosal Approach -- 5.3 Acoustic Neuromas -- 5.3.1 Classification of AN -- 5.3.2 Strategy for Management of AN -- Sporadic AN -- AN Associated with NF2 -- Hydrocephalus Associated with AN -- 5.3.3 Preoperative Management -- Outpatient Assessment and Counsel ing -- Neuroradiological Investigations -- Differential Diagnosis -- Audiological and Vestibular Tests -- Blood Analyses -- Other Preoperative Considerations -- 5.3.4 Operative Setup, Technique, Approaches, and Tumor Excision -- Intraoperative Neuromonitoring -- Microsurgical Technique in AN Sur gery -- Retraction -- Four-Hand Technique for AN Surgery -- Intraoperative Decision-Making -- Approaches -- Translabyrinthine Approach (. Video 5.3) -- Retrosigmoid (Suboccipital) Approach (. Video 5.4) -- Subtemporal (Middle Fossa) Approach -- Retrolabyrinthine Presigmoid Approach -- Retrosigmoid Fully Endoscopic Approach -- Tumor Excision -- Hemostasis -- Closure -- 5.3.5 Complications of AN Surgery -- 5.3.6 Management of Facial Nerve Complications in Skull Base Surgery -- Characteristics and Time Course of Deficits After Facial Nerve Lesions in Skull Base Surgery -- Identification of Facial Nerve Problems During Surgery -- Same Stage Management of Intraoperative Facial Nerve Lesions -- Direct End-to-End Anastomosis -- Interpositional Nerve Graft -- Second Stage Management of Intraoperative Facial Nerve Lesions -- Hypoglossal-Facial Anastomosis -- Masseteric-Facial Anastomosis -- Cross Facial Nerve Transfer to Free Vascularized Gracilis Muscle Graft -- Static Procedures and Muscle Transfer.

Postoperative Care of Patients with Facial Palsy -- 5.4 Chordomas -- 5.4.1 General Considerations -- 5.4.2 Clinical Presentation -- 5.4.3 Neuroradiology -- 5.4.4 Pathology -- 5.4.5 Treatment -- Surgical Treatment -- 5.4.6 Radiation Therapy -- 5.4.7 Prediction of Prognosis -- 5.4.8 Conclusions and Perspective -- 5.5 Craniopharyngiomas -- 5.5.1 General Information -- Etiology -- Epidemiology -- Differential Diagnosis -- Prognosis -- Tumor Classification -- Histology -- Adamantinomatous Type -- Papillary Type -- Grading -- Imaging -- Location -- 5.5.2 Clinical Signs and Symptoms -- Visual Disturbance -- Endocrine Dysfunction -- Raised Intracranial Pressure -- Neuropsychological Dysfunction -- 5.5.3 Therapeutic Options -- Surgery -- Introduction -- Preoperative Work-Up -- Radiology -- Preoperative Medical Management -- Ophthalmology -- Approaches -- Transcranial Approaches -- Transnasal Approaches -- Choice of Surgical Approach -- Postoperative Care -- Cyst Drainage -- Radiation Therapy -- Fractionated Radiotherapy -- Stereotactic Radiosurgery -- Linear Accelerator-Based Therapies -- Proton Beam Therapy -- Chemotherapy -- Biologic Therapy -- 5.5.4 Cases -- Case 1: Transsphenoidal Approach -- Hx -- Dx -- Sx -- F/O -- Case 2: Interhemispheric, Transcallosal Approach -- Hx -- Dx -- Sx -- F/O -- Case 3: Extended Endonasal Approach -- Hx -- Dx -- Sx -- F/O -- Case 4: Unilateral Frontal Craniotomy -- Hx -- Dx -- Sx -- F/O -- Case 5: Frontotemporal Craniotomy -- Hx -- Dx -- Sx -- F/O -- Case 6: Mini-orbitofrontal (MOF) Craniotomy -- Hx -- Dx -- Sx -- F/O -- Case 7: Frontotemporal Orbitozygomatic (FTOZ) Craniotomy -- Hx -- Dx -- Sx -- F/O -- 5.6 Epidermoid and Dermoid Tumors -- 5.6.1 General Information -- Dermoid Tumors -- Epidermoid Tumors -- 5.6.2 Clinical Signs and Symptoms -- Dermoid Tumors -- Epidermoid Tumors -- 5.6.3 Investigations.

Computed Tomography.

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Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2024. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries.