Tag Archives: tumor otak

Kasus dan Penyebab

Sumber: www.abta.org

Incidence

About 1,000 new patients — children and adults — are diagnosed in the US each year, more often in males than females. Medulloblastoma is relatively rare, accounting for less than 2% of all primary brain tumors (tumors that begin in the brain or its coverings) and 18% of all pediatric brain tumors. More than 70% of all pediatric medulloblastomas are diagnosed in children under age 10. Very few occur in infancy or under age 1. Typically a tumor of childhood, medulloblastoma in adults is not common, but does occur. About one-third of all medulloblastomas diagnosed in

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Jenis Medulloblastoma

Sumber: www.abta.org

Types of medulloblastoma:

_ classic medulloblastoma

_ desmoplastic nodular medullobastoma

_ large-cell or anaplastic medulloblastoma

_ medulloblastoma with neuroblastic or neuronal differentiation

_ medulloblastoma with glial differentiation

_ medullomyoblastoma

_ melanotic medulloblastoma

 

To a neurosurgeon, this tumor looks like a pinkish gray mass with a thickened “sugar-coating.” But under the microscope, classic medulloblastoma tissue looks like sheets of densely packed, small round cells with large colorful centers called nuclei. While this classic pattern is found in the majority of both pediatric and adult tumors, four other notable tissue patterns include desmoplastic nodular medullobastoma, which contains scattered islands Selanjutnya

Apa Itu Medulloblastoma ?

Sumber: www.abta.org

offers extensive brain tumor information, treatment and research updates, and patient/family storiesMedulloblastoma is a rapidly-growing tumor of the cerebellum — the lower, rear portion of the brain. Also called the “posterior fossa,” this area controls balance, posture, and complex motor functions such as speech and balance. Tumors located in the cerebellum are referred to as “infratentorial” tumors. That means the tumor is

 

 

located below the “tentorium,” a thick membrane that separates the larger, cerebral hemispheres of the brain from the cerebellum. In children, medulloblastoma arises most often near the vermis, the narrow worm-like bridge that connects the Selanjutnya