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Dictionary » Medulloblastoma
 

Medulloblastoma

Introduction: Medulloblastoma

Description of Medulloblastoma

Medulloblastoma (medical condition): A type of brain tumor....more »

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Medulloblastoma:
  »Introduction: Medulloblastoma
  »Symptoms of Medulloblastoma

Medulloblastoma: A malignant brain tumor that begins in the lower part of the brain and that can spread to the spine or to other parts of the body. Medulloblastomas are a type of primitive neuroectodermal tumor (PNET).
Source: National Institute of Health

Medulloblastoma: Medulloblastoma (WHO grade IV) is a malignant, invasive embryonal tumor of the cerebellum which occurs more often in children. It has a predominantly neuronal differentiation and a tendency to metastasize via CSF pathways. Histologically, classic Medulloblastomas are composed of densely packed cells with round-to-oval or carrot-shaped highly hyperchromatic nuclei surrounded by scanty cytoplasm. Neuroblastic rosettes are a typical but not constant feature. There are four histologic types: Desmoplastic Medulloblastoma, Large Cell Medulloblastoma, Medullomyoblastoma, Melanotic Medulloblastoma. (Adapted from WHO.)
Source: Diseases Database

Medulloblastoma: malignant cerebellar neoplasm composed of undifferentiated neuroepithelial cells that may be classified either as a glioma or as a primitive neuroectodermal tumor of childhood; tumor occurs most frequently in the first decade of life with the most typical location being the cerebellar vermis.
Source: CRISP

Medulloblastoma: A malignant neoplasm that may be classified either as a glioma or as a primitive neuroectodermal tumor of childhood (see NEUROECTODERMAL TUMOR, PRIMITIVE). The tumor occurs most frequently in the first decade of life with the most typical location being the cerebellar vermis. Histologic features include a high degree of cellularity, frequent mitotic figures, and a tendency for the cells to organize into sheets or form rosettes. Medulloblastoma have a high propensity to spread throughout the craniospinal intradural axis. (From DeVita et al., Cancer: Principles and Practice of Oncology, 5th ed, pp2060-1).
Source: MeSH 2007

Medulloblastoma: Related Topics

These medical condition or symptom topics may be relevant to medical information for Medulloblastoma:

Medulloblastoma: Rare Disease

Office of Rare Diseases (ORD) of the National Institutes of Health (NIH)

Medulloblastoma is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that Medulloblastoma, or a subtype of Medulloblastoma, affects less than 200,000 people in the US population.
Source - National Institutes of Health (NIH)

Ophanet

Ophanet, a consortium of European partners, currently defines a condition rare when if affects 1 person per 2,000. They list Medulloblastoma as a "rare disease".

Source - Orphanet

Medulloblastoma as a Disease

Medulloblastoma (medical condition): See Medulloblastoma (disease information).
  »Introduction: Medulloblastoma
  »Symptoms of Medulloblastoma

Medulloblastoma: Related Diseases

Medulloblastoma: Medulloblastoma is listed as a type of (or associated with) the following medical conditions in our database:

More information on medical condition: Medulloblastoma:

Medulloblastoma: Related Disease Topics

These medical disease topics may be related to Medulloblastoma:

  • malignant primary brain tumour
  • infratentorial tumour
  • cerebellum
  • posterior fossa tumours

Terms associated with Medulloblastoma:

Terms Similar to Medulloblastoma:

Source - NIH

  • Arachnoidal Cerebellar Sarcoma, Circumscribed
  • Medulloblastoma, Desmoplastic
  • Medullomyoblastoma
  • Sarcoma, Cerebellar, Circumscribed Arachnoidal

Source - MeSH 2007

Broader terms for Medulloblastoma

Source - MeSH 2007

Source - CRISP

Hierarchical classifications of Medulloblastoma

The following list attempts to classify Medulloblastoma into categories where each line is subset of the next.

MeSH 2007 Hierarchy:

MeSH 2007 Hierarchy

MeSH 2007 Hierarchy

MeSH 2007 Hierarchy

MeSH 2007 Hierarchy

External links related to: Medulloblastoma

Source: Diseases Database

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