Overview

Cutaneous B-cell lymphoma (CBCL) is a rare type of cancer that starts in your skin. It’s a form of “extranodal” (outside of your lymph nodes) lymphoma.

Most cases look like a rash or lump(s) on your skin. They usually grow slowly and rarely spread or affect other parts of your body.

CBCL is also called B-cell skin lymphoma.

What are the different types of CBCL?

There are four types of CBCL, depending on how the cells look under a microscope. Each subtype may look different and need distinct treatments.

  • Primary cutaneous follicle center lymphoma: This is the most common CBCL subtype. It often appears on your head, neck or torso as a reddish-brown, bumpy rash or nodules. This subtype grows slowly, over months or years.
  • Primary cutaneous marginal zone B-cell lymphoma: This slow-growing subtype typically involves pink or red lesions, nodules or tumors. It often develops on your torso or arms.
  • Primary cutaneous diffuse large B-cell lymphoma, leg type: This subtype often appears as one or more tumors or nodules on your legs, arms or torso. It’s less common than the other two types and more aggressive, growing over weeks or months.
  • Primary cutaneous diffuse large B-cell lymphoma, other: This is a very rare but aggressive subtype. Its appearance varies, but it usually starts on your head, torso and extremities (hands and feet).

Who might get cutaneous B-cell lymphoma?

Anyone can develop CBCL. It’s known to occur in all genders/sexes and age groups, and many racial backgrounds.

How common is cutaneous B-cell lymphoma?

CBCL is rare, affecting only about 4 of every 1 million people.

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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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