In an Instagram video posted Tuesday, Lee uses her incredible coring tool again to punch out a perfectly circular hole over a cyst on a patient's arm. The pay-off is fast and furious: As she pulls the ...

Dermatologist Sandra Lee, MD, a.k.a. Dr. Pimple Popper , is offering up lots of interesting new ideas on her feed this week. She shared her first cooking video and gave a hand-washing demo. Don't fret ...

Medically reviewed by Lauren Schlanger, MD Key Takeaways A ganglion cyst is the most common cause of a lump on your hand or wrist and often feels round or oval. A carpal boss is a hard, bone-like lump ...