Pilocytic astrocytoma
Pilocytic Astrocytoma
Pilocytic Astrocytoma (pronounced: pie-low-sit-ic ast-row-sigh-toe-ma) is a type of brain tumor that originates from astrocytes, the star-shaped cells that make up the supportive tissue of the brain. The term "pilocytic" is derived from the Greek words "pilos" meaning hair and "cyte" meaning cell, referring to the hair-like appearance of the cells under a microscope.
Definition
Pilocytic Astrocytoma is a slow-growing, benign tumor that typically occurs in the cerebellum, the part of the brain responsible for coordinating movement. It is most commonly diagnosed in children and young adults. Despite its benign nature, it can cause significant symptoms due to its location and pressure on surrounding brain structures.
Symptoms
Symptoms of Pilocytic Astrocytoma can vary depending on the tumor's location and size. Common symptoms include headache, nausea, vomiting, balance problems, and vision changes. In some cases, it can lead to hydrocephalus, a condition characterized by an accumulation of cerebrospinal fluid in the brain.
Diagnosis
Diagnosis of Pilocytic Astrocytoma typically involves a combination of neurological examination, imaging studies such as MRI or CT scan, and biopsy where a small sample of the tumor is removed for examination under a microscope.
Treatment
Treatment options for Pilocytic Astrocytoma include surgery, radiation therapy, and chemotherapy. The choice of treatment depends on the size and location of the tumor, as well as the patient's overall health.
Prognosis
The prognosis for Pilocytic Astrocytoma is generally good, with a high survival rate. However, long-term monitoring is necessary as these tumors can recur.
See Also
External links
- Medical encyclopedia article on Pilocytic astrocytoma
- Wikipedia's article - Pilocytic astrocytoma
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