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{{DiseaseDisorder infobox |
__NOTOC__
  Name        = Oligoastrocytoma |
{{Oligoastrocytoma}}
  ICD10      = |
'''For patient information click [[{{PAGENAME}} (patient information)|here]]'''.
  ICD9        = |
 
  ICDO        = 9382 |
}}
{{SI}}
{{SI}}
{{CMG}}{{AE}}{{SR}}
{{SK}} Oligoastrocytomas; mixed glioma; mixed gliomas; OA; OAC; anaplastic oligoastrocytoma; glioma; brain tumor
==[[Oligoastrocytoma overview|Overview]]==
==[[Oligoastrocytoma historical perspective|Historical Perspective]]==
==[[Oligoastrocytoma classification|Classification]]==
==[[Oligoastrocytoma pathophysiology|Pathophysiology]]==
==[[Oligoastrocytoma causes|Causes]]==


==[[Oligoastrocytoma differential diagnosis|Differentiating Oligoastrocytoma from other Diseases]]==


==Overview==
==[[Oligoastrocytoma epidemiology and demographics|Epidemiology and Demographics]]==
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.
Oligoastrocytomas, like [[astrocytomas]] and oligodendrogliomas, can have malignant ([[anaplastic]]) histology. However, lower grades can have less aggressive biology.


==Symptoms==
==[[Oligoastrocytoma risk factors|Risk Factors]]==
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.
 
==[[Oligoastrocytoma screening|Screening]]==
 
==[[Oligoastrocytoma natural history, complications and prognosis|Natural History, Complications and Prognosis]]==


==Diagnosis==
==Diagnosis==
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).
[[Oligoastrocytoma staging|Staging]] | [[Oligoastrocytoma history and symptoms|History and Symptoms]] | [[Oligoastrocytoma physical examination|Physical Examination]] | [[Oligoastrocytoma laboratory tests|Laboratory Findings]] | [[Oligoastrocytoma chest x ray|Chest X Ray]] | [[Oligoastrocytoma CT|CT]] | [[Oligoastrocytoma MRI|MRI]] | [[Oligoastrocytoma ultrasound|Ultrasound]] | [[Oligoastrocytoma other imaging findings|Other Imaging Findings]] | [[Oligoastrocytoma other diagnostic studies|Other Diagnostic Studies]]


==Treatment==
==Treatment==
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.
[[Oligoastrocytoma medical therapy|Medical Therapy]] | [[Oligoastrocytoma surgery|Surgery]] | [[Oligoastrocytoma primary prevention|Primary Prevention]] | [[Oligoastrocytoma secondary prevention|Secondary Prevention]] | [[Oligoastrocytoma cost-effectiveness of therapy|Cost-Effectiveness of Therapy]] | [[Oligoastrocytoma future or investigational therapies|Future or Investigational Therapies]]
 
==Case Studies==
[[Oligoastrocytoma case study one|Case#1]]


==Prognosis==
==Related chapters==
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.
* [[Brain tumor]]
* [[Brain Stem Gliomas]]
* [[Glioma]]
* [[Astrocytoma]]
* [[Ependymomas]]
* [[Oligodendrogliomas]]
* [[Glioblastoma multiforme]]
* [[Mixed gliomas]]


==External links==
{{Tumors}}
* [http://rad.usuhs.mil/medpix/radpix.html?mode=single&recnum=1066&th=-1 Images]
{{Epithelial neoplasms}}
{{Nervous tissue tumors}}
{{Nervous tissue tumors}}


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[[de:Mischgliom]]
[[pt:Oligoastrocitoma]]


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Latest revision as of 14:42, 27 November 2017

Oligoastrocytoma Microchapters

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Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Oligoastrocytoma from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

Staging

History and Symptoms

Physical Examination

Laboratory Findings

Chest X Ray

CT

MRI

Ultrasound

Other Imaging Findings

Other Diagnostic Studies

Treatment

Medical Therapy

Surgery

Primary Prevention

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Cost-Effectiveness of Therapy

Future or Investigational Therapies

Case Studies

Case #1

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Sujit Routray, M.D. [2]

Synonyms and keywords: Oligoastrocytomas; mixed glioma; mixed gliomas; OA; OAC; anaplastic oligoastrocytoma; glioma; brain tumor

Overview

Historical Perspective

Classification

Pathophysiology

Causes

Differentiating Oligoastrocytoma from other Diseases

Epidemiology and Demographics

Risk Factors

Screening

Natural History, Complications and Prognosis

Diagnosis

Staging | History and Symptoms | Physical Examination | Laboratory Findings | Chest X Ray | CT | MRI | Ultrasound | Other Imaging Findings | Other Diagnostic Studies

Treatment

Medical Therapy | Surgery | Primary Prevention | Secondary Prevention | Cost-Effectiveness of Therapy | Future or Investigational Therapies

Case Studies

Case#1

Related chapters

Template:Tumors Template:Epithelial neoplasms Template:Nervous tissue tumors


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