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 ...

Most cysts, tumors, and other lesions on the hand and wrist can be diagnosed in your office. A trio of experts provides step-by-step guidance. This is the first of a two-part series. Part 2 will ...

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 ...

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 ...