Branchial cleft cyst

Alternative names:

brachial cleft cyst; branchial cleft sinus

Symptoms:

• small pits, lumps or tissue tags at either side of the neck or just below the collarbone (see neck lumps and skin tags)
• fluid draining from a pit on the neck

Signs and tests:

Examination by your health care provider is often sufficient to diagnose this condition, and testing is usually not necessary.