Meningiomas

Meningiomas

Meningiomas

Meningiomas are the most common central nervous system tumors.

Usually with a benign behavior, meningiomas are slow growing lesions, and their symptoms start gradually, which may be misdiagnosed with other pathologies, including age related diseases.

Due to their slow growth, it may become difficult to diagnose, so a full neurologic exam, followed by an appropriate imaging test is required. This includes:

  • Computed tomography (CT scan).
  • Magnetic Resonance Imaging (MRI).

In some cases, a sample may need to be obtained through biopsy in order to rule out other lesions.

Immediate treatment is not necessary in all patients, and its follow up and decision to treat depend on different factors, such as size, location, tumor aggressiveness, patient’s age and condition.

If the meningioma is small, asymptomatic and without any important growth on follow, it may not require any kind of treatment. However, periodic follow up is important to discard any signs of progression.

On the other hand, if the tumor is growing or is symptomatic treatment is urged. Some of the treatment options include:

  • Surgery:  Performed with the aim of excising the lesion completely, occasionally the tumor is attached to important structures and is complete excision may not be possible.
  • Radiotherapy: In some cases, it can be applied following surgery aiming to destroy the residual tumor or can be used as the initial treatment.
  • Medical therapy: Some types of chemotherapy have been used, but in specifically selected cases, following surgery, radiotherapy or both.

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