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Encyclopedia > Oligoastrocytoma
Oligoastrocytoma
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ICD-10 (ICD-O 9382)
ICD-O: {{{ICDO}}}
ICD-9
OMIM

{{{OMIM}}} The following codes are used with International Statistical Classification of Diseases and Related Health Problems. ... The International Classification of Diseases for Oncology (ICD-O) is a domain specific extension of the International Statistical Classification of Diseases and Related Health Problems for tumor diseases. ... The International Classification of Diseases for Oncology (ICD-O) is a domain specific extension of the International Statistical Classification of Diseases and Related Health Problems for tumor diseases. ... The following is a list of codes for International Statistical Classification of Diseases and Related Health Problems. ... The Mendelian Inheritance in Man project is a database that catalogues all the known diseases with a genetic component, and - when possible - links them to the relevant genes in the human genome. ...

MedlinePlus {{{MedlinePlus}}}
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DiseasesDB {{{DiseasesDB}}}

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. MedlinePlus (medlineplus. ... eMedicine is an online clinical medical knowledge base that was founded in 1996. ... The Diseases Database is a free website that provides information about the relationships between medical conditions, symptoms, and medications. ... A brain tumor is any intracranial mass created by an abnormal and uncontrolled growth of cells either normally found in the brain itself: neurons, glial cells (astrocytes, oligodendrocytes, ependymal cells), lymphatic tissue, blood vessels), in the cranial nerves (myelin producing Schwann cells), in the brain envelopes (meninges), skull, pituitary and... Astrocytomas are intracranial tumors derived from astrocytes. ... Oligodendrogliomas are a type of glioma that originate from the oligodendrocytes of the brain. ... Astrocytomas are intracranial tumors derived from astrocytes. ... Categories: Move to Wiktionary | Stub ...

Contents


Symptoms

Oligodendrogliomas, like other brain tumors, are considered space occupying lesions and as such present with symptoms from compression of eloquent areas. Symptoms can include headache, seizure and speech or motor changes. A headache (medically known as cephalgia) is a condition of mild to severe pain in the head; sometimes upper back or neck pain may also be interpreted as a headache. ... This article is about the medical term, epileptic seizure, as distinct from psychogenic non-epileptic seizure. ...


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). CT apparatus in a hospital Computed tomography (CT), originally known as computed axial tomography (CAT) and body section roentgenography, is a medical imaging method employing tomography where digital geometry processing is used to generate a three-dimensional image of the internals of an object from a large series of two... Magnetic Resonance Image showing a vertical cross section through a human head. ... Tumor (American English) or tumour (British English) originally means swelling, and is sometimes still used with that meaning. ... Histopathology is a field of pathology which specialises in the histologic study of diseased tissue. ... A biopsy (in Greek: bios = life and opsy = look/appearance) is a medical test involving the removal of cells or tissues for examination. ...


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. Chemotherapy is the use of chemical substances to treat disease. ... Clinac 2100 C accelerator Radiation therapy (or radiotherapy) is the medical use of ionizing radiation as part of cancer treatment to control malignant cells (not to be confused with radiology, the use of radiation in medical imaging and diagnosis). ...


Prognosis

Even after surgery, an oligoastrocytoma will often reoccur. The treatment for a reoccurring 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.


External links

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  Results from FactBites:
 
MedPix™ 1066: Oligoastrocytoma, Mixed Glial Neoplasm, WHO Grade 3 - Medical Image Database and Atlas (660 words)
Oligoastrocytomas are much more common in young adults, with a peak incidence occurring in the third to fifth decade.
Oligoastrocytomas are infiltrative by nature but often infiltrate without affecting function, thus typically achieve large volumes prior to becoming symptomatic.
Oligoastrocytomas typically occur in white matter, and because there are more oligodendrocytes in the frontotemporal areas of the cerebrum, this is the most common location, consistent with this case.
Oligoastrocytoma - Wikipedia, the free encyclopedia (262 words)
Oligoastrocytomas are a subset of brain tumor that present with an appearance of mixed glial cell origin, astrocytoma and oligodendroglioma.
Oligoastrocytomas, like astrocytomas and oligodendrogliomas, can have malignant (anaplastic) histology.
Subsequent MRI examination are often necessary to monitor the resection cavity.
  More results at FactBites »

 
 

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