Overview

Tests for solitary fibrous tumors depend on your symptoms and the tumor location. They may include:

  • An eye exam, including optical coherence tomography (OCT) and visual field testing, to pinpoint the cause of vision problems.
  • Imaging scans like X-rays, CT scans, MRIs, ultrasounds and PET scans to find tumors.
  • A biopsy to determine the tumor type and whether it’s cancerous.

What are the World Health Organization (WHO) classifications of solitary fibrous tumors?

The WHO has a classification system for grading the severity of solitary fibrous tumors. A tumor grade indicates how fast or slow a tumor might grow based on how cells look under a microscope. It’s different from cancer stages, which refer to a cancer tumor’s location, size and spread (growth).

Tumor grades for solitary fibrous tumors range from I to III:

  1. Grade I (low-grade): Low-grade tumors have mostly normal-looking cells. These tumors are the least aggressive type. They tend to grow slowly and may not cause symptoms.
  2. Grade II (intermediate-grade): The cells in intermediate-grade tumors look more like abnormal cells than those in low-grade tumors. As a result, they’ll grow slightly faster than grade I tumors. They’re also more likely to become cancerous.
  3. Grade III (high-grade): High-grade tumors contain mostly abnormal-looking cells. These tumors are aggressive and grow fast. They’re also more likely to come back, become cancerous and spread to other parts of your body.
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Symptoms

When to see a doctor

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Complications

Blood clots are a dangerous complication of atrial fibrillation (AFib). Blood clots can lead to stroke.
The risk of stroke from AFib increases as you grow older. Other health conditions also may increase the risk of a stroke due to AFib. These conditions include:
  • High blood pressure.
  • Diabetes.
  • Heart failure.
  • Some types of heart valve disease.
Blood thinners are commonly prescribed to prevent blood clots and strokes in people with atrial fibrillation.

Prevention

Healthy lifestyle choices can reduce the risk of heart disease and may prevent atrial fibrillation (AFib). Here are some basic heart-healthy tips:
  • Control high blood pressure, high cholesterol and diabetes.
  • Don't smoke or use tobacco.
  • Eat a diet that's low in salt and saturated fat.
  • Exercise at least 30 minutes a day on most days of the week unless your health care team says not to.
  • Get good sleep. Adults should aim for 7 to 9 hours daily.
  • Maintain a healthy weight.
  • Reduce and manage stress.


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