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A brain perfusion scan is a type of brain test that shows the amount of blood taken up in certain areas of your brain. This can provide information on how your brain is functioning. There are several different types of brain perfusion scans.

Surgery is a common treatment for many types of brain tumors. It's often the first treatment used.

Your breasts change at different stages of your life. Breast self-awareness is knowing how your breasts normally look and feel. This can help you to find even small changes right away.

Breast-conserving surgery (BCS) is sometimes called a lumpectomy or a partial mastectomy. It may be done as part of a treatment plan for breast cancer. With BCS, only the part of the breast that has cancer is removed.

Most spiders in the U.S. are poisonous. The fangs of most spiders are too short or too fragile to break through human skin. Or their poison (venom) is too weak to cause damage. Most spider bites cause only minor, local reactions. But bites from the black widow and the brown recluse spiders can cause serious problems. Read on to learn more.

The stage of a cancer is how much and how far the cancer has spread in your body. Here's what you need to know about the stages of cervical cancer.

Cervical spondylosis is a type of arthritis that affects your neck. This condition becomes more common with age, and most people who are older than 60 have it.

Chorionic villus sampling (CVS) is a test done early in a woman’s pregnancy. CVS checks for genetic problems in your baby. During CVS, your healthcare provider takes a small piece of tissue from the placenta for testing.