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 ...

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 ...

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.

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 ...