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Branchial cleft cyst
Definition
A branchial cleft cyst is a mass (lump) that develops in the neck or just below the collarbone (clavicle). It is a type of birth defect.
Alternative Names
Cleft sinusCauses, incidence, and risk factors
Branchial cleft cysts form during development of the embryo when tissues in the neck and collarbone area (branchial cleft) fail to develop normally.
The birth defect may appear as open spaces called cleft sinuses, which may develop on one or both sides of the neck. A branchial cleft cyst may form from fluid drained from a sinus. The cyst or sinus can become infected.
Symptoms
- Small pits, lumps, or skin tags at either side of the neck or just below the collarbone
- Fluid drainage from a pit on the neck
Signs and tests
Your baby's health care provider will be able to diagnose this condition with a physical examination. Testing is usually not necessary.
Treatment
Infected branchial cleft cysts or sinuses require antibiotic treatment. If there are persistent problems with drainage or infection, any cysts should be surgically removed.
Expectations (prognosis)
Most branchial cleft remnants require no treatment. If surgery is required, results are usually good.
Complications
Complications include infection of the cyst or sinus.
Calling your health care provider
Call for an appointment with your health care provider if you notice a small pit, cleft, or lump in the neck or upper shoulder of your infant, especially if fluid drains from this area.
References
Rakel RE. Textbook of Family Practice. 6th ed. Philadelphia, Pa: WB Saunders; 2005:466.
Noble J. Textbook of Primary Care Medicine. 3rd ed. St. Louis, Mo: Mosby; 2001:1772.
Reviewed By: Benjamin W. Van Voorhees, MD, MPH, Assistant Professor of Medicine and Pediatrics, The University of Chicago, Chicago, IL. Review provided by VeriMed Healthcare Network.
