Brain lymphoma




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Brain lymphoma

Definition

Primary lymphoma of the brain is cancer that started in the brain.

Alternative Names

Brain lymphoma; Cerebral lymphoma; Primary lymphoma of the central nervous system; Lymphoma - brain

Causes

The cause of primary brain lymphoma is unknown, but it is more common in people between the ages of 45 and 70. Patients who are immunocompromised, such those with HIV

The incidence is rising, but primary brain lymphoma is still relatively rare.

Symptoms

  • Personality changes
  • Confusion
  • Changes in speech
  • Changes in vision
  • Weakness in hands
  • Numbness to hot, cold, and pain
  • Headaches
  • Seizures
  • Hallucinations

Exams and Tests

The following tests may be performed to help diagnose a primary lymphoma of the brain:

  • Biopsy of the brain -- shows lymphoma
  • Head CT scan -- shows a brain lesion
  • CSF total protein -- high
  • CSF cell count -- shows increased white blood cells or lymphoma cells

Treatment

The initial treatment is usually with corticosteroids. However, chemotherapy increases survival in many individuals up to 3-4 years, or longer. The chemotherapy is primarily high-dose methotrexate given intravenously or via the spinal cord.

Treatment of immunocompromised patients is not as successful, but is improving.

Radiation therapy used to be the main treatment for this lymphoma, but now is usually reserved for treating those patients in whom chemotherapy is not successful.

Outlook (Prognosis)

The survival of untreated primary brain lymphoma is under 2 months. Treated with chemotherapy, patients often survive 3-4 years or more. About 40% of patients are alive at 5 years. In general, older patients have a worse outlook than younger patients.

Possible Complications

Possible complications include:

  • Radiation side effects, including confusion, headaches, neurologic problems, and tissue death
  • Chemotherapy side effects, including low blood counts
  • Recurrence of the lymphoma
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