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 ...

Belly button discharge can indicate a cyst or an infection. Factors such as a recent belly button piercing, recent surgery, and having diabetes may increase this risk of discharge due to infection.

Dirt, bacteria, and other microorganisms can get stuck in your belly button, causing infection. Signs may include white, yellow, brown, or bloody discharge with an unpleasant odor. Here are a few ...

A cyst is a sac or cavity that may be filled with pus, semi-solid material, or air. It doesn’t usually cause pain until it gets large. An abscess is a painful, red infection that’s filled with pus. A ...

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 ...

Hand tumors or masses are common. The majority of hand tumors are benign, meaning they are not cancer. When malignant, or cancerous, most of these tumors are types of skin cancer. Cancers within ...