Hygroma Cervical: Causes, Symptoms, and Treatment
Medically reviewed by Harsha Moole, MD, Internal Medicine. Last reviewed: October 2, 2026.
What kind of doctor treats Hygroma Cervical?
Children are often cared for by pediatric surgeons or ear, nose, and throat doctors, and interventional radiologists often perform sclerotherapy. A direct primary care or concierge doctor can be a first stop for an evaluation and can refer you to a specialist when needed.
What it is
A hygroma cervical, often called a cystic hygroma, is a fluid-filled growth that forms in the neck when lymph vessels do not develop the right way before birth. Instead of draining normally, lymph collects in a soft lump. The lump is not cancer and is present at birth in most cases, though doctors sometimes spot it on an ultrasound before a baby is born.
Symptoms
Many cystic hygromas cause no symptoms at all. When they do, the most common sign is a soft, rubbery lump on the neck, often near the back or side. Larger growths can cause trouble feeding or breathing in babies, and trouble swallowing in older children and adults.
Causes and who gets it
Cystic hygromas form because of a problem in how the lymph system develops during early pregnancy. In some cases, the growth is linked to genetic conditions such as Turner syndrome. About half of cases are diagnosed in the first year of life.
How doctors diagnose it
Doctors often find a cystic hygroma during a physical exam, and an ultrasound can show the growth before birth. After birth, an MRI or CT scan shows how big the growth is and which parts of the neck it touches.
Treatment
Treatment depends on the size, location, and symptoms. Small hygromas that cause no problems may simply be watched with regular checkups. When treatment is needed, surgery can remove the growth, though it can be hard to remove every piece. Another option is sclerotherapy, in which a doctor injects a medicine to make the lump shrink.
When to see a doctor
Anyone with a lump in the neck should have it checked by a doctor. Seek care right away if a lump grows quickly, becomes painful or red, or if there is trouble breathing or swallowing.
How a direct primary care or concierge doctor fits in
A direct primary care doctor charges a flat monthly fee instead of billing insurance for visits, while a concierge doctor usually charges more and often works alongside insurance. Either can examine a neck lump, order imaging, and follow the growth over time.
Common questions
Is a cystic hygroma cancer?
No. A cystic hygroma is a benign growth. That means it is not cancer and does not spread to other parts of the body. It can still cause problems if it grows large, so doctors keep an eye on it.
Can a cystic hygroma go away on its own?
Some small growths shrink over time, but many do not. Doctors decide whether to watch, treat, or operate based on the size, location, and symptoms.
Can it be found before a baby is born?
Yes. An ultrasound during pregnancy can often show a cystic hygroma. If it is found before birth, doctors may do more tests to check the baby's health.
Does treatment leave a scar?
Surgery leaves a scar on the neck, and its size depends on the operation. Sclerotherapy uses a small needle, so it leaves little or no scar. Results differ from person to person.
Sources
Medical Disclaimer
This content is for general educational and informational purposes only and is not medical advice. It is not a substitute for professional medical advice, diagnosis, or treatment, and reading it does not create a doctor-patient relationship. Always seek the advice of your physician or another qualified health provider with any questions about a medical condition, and never disregard or delay seeking professional advice because of something you read here. If you think you may have a medical emergency, call 911 (or your local emergency number) immediately.
