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 ...

A mucocele is a mucus cyst produced by extravasation of salivary secretion due to the rupture of a salivary gland duct, or salivary retention within an accessory salivary gland, due to duct stricture ...

What Causes Bumps on Your Skin? There are a number of conditions that cause lumps and bumps to appear on the surface or just below the skin. Some of the most common ones are: Cysts are noncancerous, ...