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'''For patient information, click [[Mixed gliomas (patient information)|here]]'''
 
{{Mixed gliomas}}
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==[[Mixed gliomas overview|Overview]]==


== Overview ==
==[[Mixed gliomas classification|Classification]]==


Oligoastrocytomas are a subset of [[brain tumor]] that present with an appearance of mixed glial cell origin, [[astrocytoma]] and [[oligodendroglioma]]. Often called a "mixed glioma", about 2.3% of all reported brain tumors are diagnosed as oligoastrocytoma. The median age of diagnosis is 42 years of age.
==[[Mixed gliomas historical perspective|Historical Perspective]]==


Oligoastrocytomas, like [[astrocytomas]] and oligodendrogliomas, can have malignant ([[anaplastic]]) histology. However, lower grades can have less aggressive biology.
==[[Mixed gliomas pathophysiology|Pathophysiology]]==


==Symptoms==
==[[Mixed gliomas epidemiology and demographics|Epidemiology & Demographics]]==


There are many possible symptoms of oligodendrogliomas that are similar to other [[glioma]]s. These symptoms may include [[headache]], [[seizure]] and speech or motor changes.
==[[Mixed gliomas epidemiology and demographics|Risk Factors]]==


==Diagnosis==
==[[Mixed gliomas screening|Screening]]==


A [[Computed Tomography]] (CT) or [[Magnetic Resonance Imaging]] (MRI) scan is necessary to characterize the anatomy of this tumor (size, location, heter/homogeneity). However, final diagnosis of this [[tumor]], like most tumors, relies on [[histopathologic]] examination ([[biopsy]] examination).
==[[Mixed gliomas causes|Causes]]==


==Treatment==
==[[Mixed gliomas differential diagnosis|Differentiating Mixed gliomas from other Diseases]]==


If resected, the surgeon will remove as much of this tumor as possible, without disturbing eloquent regions of the brain (speech/motor cortex) and other critical brain structure. Thereafter, treatment may include [[chemotherapy]] and [[radiation therapy]] of doses and types ranging based upon the patient's needs. Subsequent MRI examination are often necessary to monitor the resection cavity.
==[[Mixed gliomas natural history|Natural History, Complications & Prognosis]]==


==Prognosis==
==Diagnosis==
[[Mixed gliomas history and symptoms|History & Symptoms]] | [[Mixed gliomas physical examination|Physical Examination]] | [[Mixed gliomas staging|Staging]] | [[Mixed gliomas laboratory tests|Lab Tests]] | [[Mixed gliomas electrocardiogram|Electrocardiogram]] | [[Mixed gliomas chest x ray|Chest X Ray]] | [[Mixed gliomas CT|CT]] | [[Mixed gliomas MRI|MRI]] | [[Mixed gliomas echocardiography or ultrasound|Echocardiography or Ultrasound]] | [[Mixed gliomas other imaging findings|Other Imaging Findings]] | [[Mixed gliomas other diagnostic studies|Other Diagnostic Studies]]


Even after surgery, an oligoastrocytoma will often recur. The treatment for a recurring brain tumor may include surgical resection, chemo and radiation therapy. Survival time of this brain tumor varies - younger age and low-grade initial diagnosis are factors in improved survival time.
==Treatment==
[[Mixed gliomas medical therapy|Medical Therapy]] | [[Mixed gliomas surgery|Surgery]] | [[Mixed gliomas primary prevention|Primary Prevention]] | [[Mixed gliomas secondary prevention|Secondary Prevention]]


==External links==
==Resources==


* [http://rad.usuhs.mil/medpix/radpix.html?mode=single&recnum=1066&th=-1 Images]
* [http://rad.usuhs.mil/medpix/radpix.html?mode=single&recnum=1066&th=-1 Images]


{{Nervous tissue tumors}}
{{Nervous tissue tumors}}
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== Acknowledgements ==


The content on this page was first contributed by: C. Michael Gibson, M.S., M.D.
[[pt:Oligoastrocitoma]]


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[[pt:Oligoastrocitoma]]
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{{WikiDoc Sources}}
{{WikiDoc Sources}}


[[Category:Disease]]
[[Category:Oncology]]
[[Category:Neurosurgery]]
[[Category:Neurosurgery]]
[[Category:Neurological disorders]]
[[Category:Neurological disorders]]
[[Category:Types of cancer]]
[[Category:Types of cancer]]
[[Category:Disease]]
 
[[Category:Neurology]]

Revision as of 05:00, 23 January 2012

For patient information, click here

Mixed gliomas Microchapters

Home

Patient Info

Overview

Classification

Historical Perspective

Pathophysiology

Epidemiology & Demographics

Risk Factors

Screening

Causes of Mixed gliomas

Differentiating Mixed gliomas from other Diseases

Natural History, Complications & Prognosis

Diagnosis

History & Symptoms

Physical Examination

Staging

Lab Tests

Electrocardiogram

Chest X Ray

CT

MRI

Echocardiography or Ultrasound

Other Imaging Findings

Other Diagnostic Studies

Treatment

Medical Therapy

Surgery

Primary Prevention

Secondary Prevention

Cost-Effectiveness of Therapy

Future or Investigational Therapies

Mixed gliomas On the Web

Most recent articles

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Review articles

CME Programs

Powerpoint slides

Images

American Roentgen Ray Society Images of Mixed gliomas

All Images
X-rays
Echo & Ultrasound
CT Images
MRI

Ongoing Trials at Clinical Trials.gov

US National Guidelines Clearinghouse

NICE Guidance

FDA on Mixed gliomas

CDC on Mixed gliomas

Mixed gliomas in the news

Blogs on Mixed gliomas

Directions to Hospitals Treating Mixed gliomas

Risk calculators and risk factors for Mixed gliomas

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Classification

Historical Perspective

Pathophysiology

Epidemiology & Demographics

Risk Factors

Screening

Causes

Differentiating Mixed gliomas from other Diseases

Natural History, Complications & Prognosis

Diagnosis

History & Symptoms | Physical Examination | Staging | Lab Tests | Electrocardiogram | Chest X Ray | CT | MRI | Echocardiography or Ultrasound | Other Imaging Findings | Other Diagnostic Studies

Treatment

Medical Therapy | Surgery | Primary Prevention | Secondary Prevention

Resources

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