Oligodendroglioma medical therapy: Difference between revisions
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Because of their diffusely infiltrating nature, oligodendrogliomas cannot be completely resected and are not curable by [[surgery|surgical excision]]. If the tumor mass compresses adjacent brain structures, a [[neurosurgery|neurosurgeon]] will typically remove as much of the tumor as he or she can without damaging other critical, healthy brain structures. Surgery may be followed up by [[chemotherapy]], [[radiation]], or a mix of both. Oligodendrogliomas, like all other infiltrating [[gliomas]], have a very high (almost uniform) rate of recurrence and gradually increase in grade over time. Recurrent tumors are generally treated with more aggressive chemotherapy and radiation therapy. Recently, [[stereotactic surgery]] has proven successful in treating small tumors that have been diagnosed early. | Because of their diffusely infiltrating nature, oligodendrogliomas cannot be completely resected and are not curable by [[surgery|surgical excision]]. If the tumor mass compresses adjacent brain structures, a [[neurosurgery|neurosurgeon]] will typically remove as much of the tumor as he or she can without damaging other critical, healthy brain structures. Surgery may be followed up by [[chemotherapy]], [[radiation]], or a mix of both. Oligodendrogliomas, like all other infiltrating [[gliomas]], have a very high (almost uniform) rate of recurrence and gradually increase in grade over time. Recurrent tumors are generally treated with more aggressive chemotherapy and radiation therapy. Recently, [[stereotactic surgery]] has proven successful in treating small tumors that have been diagnosed early. | ||
==Therapy== | ==Medical Therapy== | ||
Because of the indolent nature of these tumors and the potential [[morbidity]] associated with [[neurosurgery]], [[chemotherapy]] and [[radiation therapy]], most [[oncology|neurooncologists]] will initially pursue a course of [[watchful waiting]] and treat patients symptomatically. Symptomatic treatment often includes the use of [[anticonvulsants]] for seizures and [[Glucocorticoid|steroids]] for [[oedema|brain swelling]]. PCV chemotherapy ([[Procarbazine]], [[Lomustine|CCNU]] and [[Vincristine]]) has been shown to be effective and is currently the most commonly used chemotherapy regimen used for treating anaplastic oligodendrogliomas.<ref>Herbert H. Engelhard, M.D., Ph.D., Ana Stelea, M.D., and Arno Mundt, M.D.[http://www.virtualtrials.com/pdf/oligo.pdf] p.452</ref> [[Temozolomide]] is a common chemotheraputic drug to which oligodendrogliomas appear to be quite sensitive. It is often used as a first line therapy. | Because of the indolent nature of these tumors and the potential [[morbidity]] associated with [[neurosurgery]], [[chemotherapy]] and [[radiation therapy]], most [[oncology|neurooncologists]] will initially pursue a course of [[watchful waiting]] and treat patients symptomatically. Symptomatic treatment often includes the use of [[anticonvulsants]] for seizures and [[Glucocorticoid|steroids]] for [[oedema|brain swelling]]. PCV chemotherapy ([[Procarbazine]], [[Lomustine|CCNU]] and [[Vincristine]]) has been shown to be effective and is currently the most commonly used chemotherapy regimen used for treating anaplastic oligodendrogliomas.<ref>Herbert H. Engelhard, M.D., Ph.D., Ana Stelea, M.D., and Arno Mundt, M.D.[http://www.virtualtrials.com/pdf/oligo.pdf] p.452</ref> [[Temozolomide]] is a common chemotheraputic drug to which oligodendrogliomas appear to be quite sensitive. It is often used as a first line therapy. | ||
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Revision as of 13:33, 10 September 2012
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [2]
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Overview
Because of their diffusely infiltrating nature, oligodendrogliomas cannot be completely resected and are not curable by surgical excision. If the tumor mass compresses adjacent brain structures, a neurosurgeon will typically remove as much of the tumor as he or she can without damaging other critical, healthy brain structures. Surgery may be followed up by chemotherapy, radiation, or a mix of both. Oligodendrogliomas, like all other infiltrating gliomas, have a very high (almost uniform) rate of recurrence and gradually increase in grade over time. Recurrent tumors are generally treated with more aggressive chemotherapy and radiation therapy. Recently, stereotactic surgery has proven successful in treating small tumors that have been diagnosed early.
Medical Therapy
Because of the indolent nature of these tumors and the potential morbidity associated with neurosurgery, chemotherapy and radiation therapy, most neurooncologists will initially pursue a course of watchful waiting and treat patients symptomatically. Symptomatic treatment often includes the use of anticonvulsants for seizures and steroids for brain swelling. PCV chemotherapy (Procarbazine, CCNU and Vincristine) has been shown to be effective and is currently the most commonly used chemotherapy regimen used for treating anaplastic oligodendrogliomas.[1] Temozolomide is a common chemotheraputic drug to which oligodendrogliomas appear to be quite sensitive. It is often used as a first line therapy.