Fibrillary astrocytoma
(Redirected from Low grade astrocytoma)
Fibrillary astrocytoma is a type of brain tumor that originates from astrocytes, which are star-shaped cells that make up the supportive tissue of the brain. Astrocytomas are classified according to the World Health Organization (WHO) grading system, and fibrillary astrocytomas are generally considered to be WHO grade II tumors. This classification indicates that they are low-grade tumors, which means they grow relatively slowly compared to higher-grade tumors. However, despite their slower growth rate, fibrillary astrocytomas can cause significant neurological problems and may become more aggressive over time.
Symptoms[edit | edit source]
The symptoms of a fibrillary astrocytoma can vary widely depending on the tumor's size and location within the brain. Common symptoms include headaches, seizures, nausea, vomiting, weakness or numbness in the limbs, changes in mood or personality, and difficulties with memory or speech. As the tumor grows, it can increase pressure within the skull, leading to more severe symptoms.
Diagnosis[edit | edit source]
Diagnosis of fibrillary astrocytoma typically involves a combination of medical history, physical examination, and imaging studies. Magnetic resonance imaging (MRI) is the most commonly used imaging technique, as it provides detailed images of the brain and can help identify the presence and extent of the tumor. In some cases, a biopsy may be performed to obtain a tissue sample for microscopic examination, which can confirm the diagnosis and help determine the tumor's grade.
Treatment[edit | edit source]
The treatment of fibrillary astrocytoma depends on several factors, including the tumor's size, location, and grade, as well as the patient's overall health and preferences. Treatment options may include surgical removal of the tumor, radiation therapy, and chemotherapy. Surgery is often the first-line treatment and aims to remove as much of the tumor as possible while minimizing damage to surrounding healthy brain tissue. Radiation therapy and chemotherapy may be used as adjunct treatments to target any remaining tumor cells.
Prognosis[edit | edit source]
The prognosis for patients with fibrillary astrocytoma varies depending on the tumor's characteristics and the effectiveness of treatment. In general, lower-grade astrocytomas like fibrillary astrocytomas have a better prognosis than higher-grade tumors. However, even low-grade tumors can recur or progress to a higher grade over time. Long-term follow-up with regular MRI scans is typically recommended to monitor for tumor growth or recurrence.
See Also[edit | edit source]
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