GLIOMA NERVIO OPTICO PDF
La exploración oftalmológica reveló, mediante resonancia nuclear magnética, la presencia de un glioma de curso silente en el nervio óptico del ojo izquierdo. While 1 or 2 cases of primary glioma of the optic nerve are reported each year in the Barraquer, J.: Mixoma quistico del nervio optico de la papila y retina. El meningioma primario de la vaina del nervio óptico es un tumor raro, . Este signo nos permite diferenciarlo del glioma del nervio óptico.
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Pathology Outlines – Glioma – general
Caeiro I ; C. Conde II ; M. Canteli I ; A.
Alonso I ; D. Medal IV ; M. Salgado IV ; J. Brasa III ; J. Otero II ; V.
Primary optic nerve sheat meningioma ONSM is a rare tumor, whose diagnosis and therapeutic management have varied in a substantial manner over the last few years. The appearance and development of diagnostic imaging techniques such as High Resolution Computerized Tomography and Nuclear Magnetic Resonance have allowed earlier and more precise diagnoses. The introduction of conventional radiation therapy in the late s, alone or in combination with surgery, and above all the introduction of Fractionated Stereotactic Radiotherapy and Three-Dimensional Conformal Intensity-Modulated Glipma 3DCRT have provided very efficient alternative therapies with a relatively low toxicity.
In this article we first review the embryological development, anatomy, natural history, and surgical treatment, and then describe the role of radiotherapy RT in the considered entity, indicating how it can be integrated in the pattern of present day care.
We analyse the different radiotherapy techniques, from the most elementary, such as conventional RT, followed by 3DCRT up to the most sophisticated such as Stereotactic Fractionated Radiotherapy, all based on our experience in one case. En el momento del diagnostico estaba en tratamiento con suplementos de calcio y calcitonina por osteoporosis.
Se otico las siguientes exploraciones complementarias. Cuando invade el globo ocular puede producir un desprendimiento de retina.
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En casos muy avanzados pueden afectar a estructuras vitales y producir muerte del paciente 3. En ocasiones podemos ver calcificaciones del nervio o hiperostosis en lgioma huesos vecinos El papel de la Radioterapia. Otro hecho destacable es la ausencia, de complicaciones derivadas del tratamiento durante todo el periodo de seguimiento. Uno de los pacientes permanece estable, sin evidencia de deterioro visual o enfermedad progresiva.
Neurofibromatosis — AAPOS
En ella se trataron 39 pacientes 15 primarios y 24 secundarios. La dosis total administrada fue de 54 Gy en 30 fracciones.
La nerfio de dosis total fue de 51 Gy. Esto es especialmente evidente cuando administramos dosis totales por debajo de los 54 Gy, con un fraccionamiento convencional que no supere los incrementos de dosis diarios de 2 Gy Patrick A Sibony, Howard T. Optic Nerve Sheath Meningiomas. Publicaciones Nexus Ediciones, S. Primary optic nerve sheath meningiomas, Report of nine cases. Gliona optic sheath meningioma. British Journal of Ophtalmology,73, The mamagement of optic nerve meningiomas and gliomas.
The Management of Nerve Sheath Meningiomas. Journal of Neuro-Ophtalmology 16 4: Optic Nerve Sheath Meningiomas: Visual Improvement after Stereotactic Radiotherapy. Stereo-tactic Fractionated Radiotherapy in optio with optic nerve sheath meningioma. Fractionated External Beam Radiation Therapy for meningiomas of the cavernosus sinus. J Radiation Oncology Biol Phys44 1 Tolerance of cranial nerves of the cavernous sinus to radio-surgery.
Analisys of Time-Dose Factors. Meningiomas del Nervio Optico.
“glioma del nervio óptico” in English
Early improvements in vision after fractionated stereotactic ndrvio for primary optic nerve sheath meningioma. Melian E, Jay WM. Primary radiotherapy for optic nerve sheath meningioma. Seminars in Ophthalmology19, pp. Optic nerve sheath meningiomas and advanced treatment options.
Curr Opin Ophthalmol Visual changes alter Gamma Knife Surgery for optic nerve tumors. J Neurosurg Suppl Pedro Rico, 27, Madrid, Tlf.:
