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 ...

Picture this: You’re blissfully clocking your miles on a Saturday morning until you feel a small but growing pressure on top of your foot. It’s slight, so you ignore it, but over time that discomfort ...

Mucous cysts are pseudocysts (cystic structures lacking a true lining) that usually appear on the middle or index finger of the dominant hand; toe involvement is uncommon. Although most mucous cysts ...

Digital mucous cysts (DMCs) are relatively common benign cysts of the digits, occasionally involving the nail matrix and nail fold. First described as “synovial lesions of the skin” by Markin and ...