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 myxoid (MIX-oid), or digital mucous cyst, is a benign bump that can occur on the top of the finger between the nail and last joint. Nobody knows exactly why it arises. It appears as a smooth, shiny, ...

Those who have a habit of biting their lips may find that a small bluish bump has developed inside their mouth. It might disappear on its own or it might linger. Dr. Zaineb Hassan Makhzoumi, an ...

A nail tumor is a lesion found under the nail plate. It is attached to the nail bed or matrix. Most tumor growths of the nail bed are benign, but some may be malignant. These need to be removed ...

Paronychia is associated with separation of the seal between the proximal nail fold and the nail plate that provides entry for bacteria and leads to a localized infection of the paronychial tissues of ...