Medulloblastoma

Medulloblastoma is the most common form of childhood malignant brain tumor, comprising 10 to 20% of all pediatric brain cancer. The incidence of this type of tumor is highest in children between 4 and 6 years old. Medulloblastoma is also more commonly found in boys.

Symptoms

The symptoms of medulloblastoma include:

Increased ICP
Headache
Vomiting
Uncoordinated movement
Lethargy

Medulloblastoma can spread or metastazie to other tissues through the cerebrospinal fluid.

Depending on the location of the lesion, medulloblastoma may also have the following symptoms:

Location	Symptoms
Brain stem and cerebrum	Papilledema Nystagmus or rapid, involuntary movement of the eyeball Hearing loss Visual disturbances, such as seeing flashing lights Nausea Paralysis of facial muscle Paralysis of one side of the body Ataxia or uncoordinated movement Tenderness at the occipital bone

References:

CancerBACUP - Medulloblastoma
eMedicine - Medulloblastoma
National Cancer Institute - Childhood Medulloblastoma

See also:
Brain Tumor Overview

Increased intracranial pressure (ICP)

Brain Tumor Types: