Optic nerve sheath meningioma (ONSM) is a rare tumour. Cases are usually separated into primary ONSM, which arises either intraorbitally or, less commonly, intracanalicularly, and secondary ONSM, which arises intracranially and subsequently invades the optic canal and orbit. This is the first book to cover all important aspects of the diagnosis and treatment of primary ONSM. After a general introduction, individual chapters discuss the clinical presentation, clinical examination and diagnosis, imaging, and histology. Treatment options are then addressed in detail, with special emphasis on external beam radiation therapy, and in particular stereotactic fractionated radiation therapy. The latter has recently produced consistently good results and is now considered the emerging treatment of choice for the vast majority of patients with primary ONSM. This well-illustrated book will prove invaluable to all practitioners who encounter primary ONSM in their clinical work.
Table des matières
Overall Introduction, Problem Definition, Incidence.- Clinical Presentation.- Clinical Evaluation of Primary Optic Nerve Sheath Meningioma.- Imaging Diagnosis of the Optic Nerve Sheath Meningioma.- Histology and Molecular Genetics.- Surgery in Primary Optic Nerve Sheath Meningioma.- Conventional Radiation Therapy in Primary Optic Nerve Sheath Meningioma.- 3D Conformal RT.- Intensity Modulated Radiotherapy for Optic Nerve Sheath Meningioma.- Stereotactic Radiation Therapy in Primary Optic Nerve Sheath Meningioma.
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