Meningiomas are another type of brain tumor that develops from the meninges, which are the membranes that cover and protect the brain and spinal cord. Although meningiomas are classified as brain tumors, they originate from the meninges rather than from brain tissue itself.
Meningiomas are usually slow-growing and are often benign (non-cancerous). However, they can occasionally be malignant (cancerous) or show aggressive behavior. They are more commonly diagnosed in adults, particularly women.
The exact cause of meningiomas is not fully understood, but certain risk factors have been identified, including:
Meningiomas can occur anywhere along the meninges and can be classified based on their location, such as convexity, parasagittal, skull base, or intraventricular meningiomas.
Symptoms of meningiomas can vary depending on the size and location of the tumor. Common symptoms may include:
Diagnosis of a meningioma typically involves a combination of imaging tests such as MRI or CT scans, followed by a biopsy or surgical removal of the tumor for pathological examination.
The treatment of meningiomas depends on several factors, including the size, location, grade, and overall health of the patient. Treatment options may include:
The prognosis for meningiomas varies depending on several factors, including the tumor grade, location, and the extent of surgical resection. In most cases, benign meningiomas have a favorable prognosis, with a low likelihood of recurrence after complete surgical removal. However, recurrent or malignant meningiomas may require additional treatments and have a less favorable prognosis.
Regular follow-up with healthcare professionals is essential to monitor the tumor’s progression, address any symptoms, and adjust the treatment plan accordingly.