Tennis star Serena Williams shared in a TikTok posted on Tuesday that she had a cyst removed from her neck—one the size of a "small grapefruit." "One day, back in May actually, I found this big mass ...

The tennis legend said after some testing and a biopsy, doctors told her to remove the brachial cyst on her neck as “it was the size of a small grapefruit and it could get infected.” Tennis great ...

Medically reviewed by Susan Bard, MD Key Takeaways A pilonidal cyst is a painful lump located at the base of the spine at the ...

Medicare covers sebaceous cyst removal when medically necessary. This includes cases where the cyst causes bleeding or pain, shows signs of inflammation or infection, or has recently gotten larger.