Preauricular sinus and cyst

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Preauricular Sinus and Cyst

Preauricular sinus and cyst (pronunciation: pre-aw-rik-yuh-lar si-nus and sist) is a congenital malformation that presents as a small pit or dimple located near the external ear, specifically in the preauricular region.

Etymology

The term "preauricular" is derived from Latin, with "pre" meaning before and "auricular" referring to the ear. "Sinus" and "cyst" are both derived from Greek, with "sinus" meaning pocket or sac and "cyst" meaning bladder or sac.

Definition

A Preauricular sinus is a common congenital malformation characterized by a nodule, dent or dimple located anywhere adjacent to the external ear. A Preauricular cyst is a closed sac that may be filled with air, fluid, or semi-solid material, occurring in the same preauricular region.

Symptoms

Symptoms of a preauricular sinus or cyst include a small pit or dimple on the outside of the ear, infection which may result in redness, swelling and pain, and drainage of clear, yellow or bloody fluid.

Related Terms

  • Congenital malformation - A condition that is present at birth due to genetic factors or events that occur during gestation.
  • External ear - The part of the ear that is visible on the outside of the head.
  • Infection - The invasion and multiplication of microorganisms such as bacteria, viruses, and parasites that are not normally present within the body.

Treatment

Treatment for preauricular sinus and cyst typically involves antibiotics for infection, warm compresses for pain, and surgical removal if the sinus or cyst recurs or becomes problematic.

External links

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