Lumps Behind Your Baby's Ear: When to Seek Medical Advice - Surgery

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There is a lump behind the ear?


Hello, doctor.
I would like to ask you about my baby who is now 10 months old.
Last week, I noticed 3-4 round, hard lumps near the back of his head close to the ear.
Some of them are movable, and he seems completely unaffected; he can eat, play, and sleep normally.
Does this have any significance? Should I take him for an immediate check-up? Thank you for clarifying my concerns!

Ah Hui, 30~39 year old female. Ask Date: 2000/11/17

Dr. Lin Zhemin reply Surgery


A small hard lump behind a baby's ear may be an enlarged lymph node, which is quite common in infants.
It typically resolves after puberty, but if there is tenderness, it may indicate inflammation and should be evaluated by a physician.
Mild fever after receiving the measles vaccination is normal and can be monitored.

Reply Date: 2000/11/17

More Info


When it comes to lumps or bumps behind your baby's ear, it’s understandable to feel concerned, especially as a parent. At 10 months old, your baby is still in a critical stage of development, and any unusual findings can naturally raise questions about their health.
The presence of 3-4 round, hard lumps near the back of the head close to the ear can be attributed to several benign causes. One common reason for such lumps in infants is swollen lymph nodes. Lymph nodes can become enlarged due to infections, such as a cold or ear infection, as they play a crucial role in the immune response. If your baby is otherwise healthy, eating, playing, and sleeping well, it may indicate that these lumps are not causing any immediate concern.
However, there are other potential causes for lumps behind the ear that should be considered. These can include:
1. Sebaceous Cysts: These are small, non-cancerous lumps that can form under the skin. They are usually harmless and can move slightly when touched.

2. Lipomas: These are soft, fatty lumps that can develop under the skin. They are generally harmless and painless.

3. Infections: In some cases, lumps can indicate an infection, such as mastoiditis, which is an infection of the mastoid bone located behind the ear. This condition is more serious and would typically present with other symptoms, such as fever or irritability.

4. Congenital Conditions: Some lumps can be related to congenital conditions, such as branchial cleft cysts or ear tags, which are usually benign but may require monitoring or surgical intervention.

Given that your baby is not showing any signs of distress or illness, it may not be an emergency. However, it is always best to err on the side of caution when it comes to your child's health. Here are some guidelines on when to seek medical advice:
- Persistent Lumps: If the lumps do not go away after a few weeks or continue to grow, it’s advisable to consult a pediatrician.

- Changes in Behavior: If your baby becomes unusually fussy, has trouble sleeping, or shows signs of pain, these could be indicators that something is wrong.

- Accompanying Symptoms: If you notice any other symptoms such as fever, difficulty eating, or changes in activity level, it’s important to seek medical attention.

- Parental Instinct: Trust your instincts as a parent. If you feel that something is not right, it’s always best to consult a healthcare professional for peace of mind.

In conclusion, while the lumps you describe may be benign, it is crucial to monitor them closely. If they persist, change, or if you have any concerns about your baby’s health, do not hesitate to reach out to your pediatrician. They can perform a thorough examination and, if necessary, recommend further tests or treatments. Your child's health and well-being are paramount, and seeking professional advice is always a prudent step.

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