Submandibular Lymph Nodes: When to Seek ENT Care - Otolaryngology

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Parotid lymph nodes


A few months ago, a small round lump suddenly appeared under my right earlobe.
At first, I thought it was due to an unclean razor causing a wound, which later became red and swollen at times (it was painful to touch).
However, it eventually disappeared.
This time, the lump has enlarged without redness or swelling (it is not painful to touch), but it has not resolved for many days.
On the left side, I can feel a small painful spot under the earlobe.
Both sides had similar issues before, but only the right side was painful.
Now, the left side is painful.
Is this serious? Which specialty should I consult?

GS, 20~29 year old female. Ask Date: 2016/04/11

Dr. Zheng Jueyi reply Otolaryngology


Hello: Common issues include lymphadenopathy or salivary gland tumors, and you may visit the ENT department at a hospital or clinic for consultation.
Wishing you peace and good health.
Sincerely, Dr.
Cheng Jue-Yi, Director of the ENT Department, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2016/04/11

More Info


When it comes to understanding submandibular lymph nodes and when to seek care from an Ear, Nose, and Throat (ENT) specialist, it's important to consider several factors regarding the symptoms you are experiencing. Lymph nodes are part of the lymphatic system, which plays a crucial role in the immune response. They can become enlarged due to various reasons, including infections, inflammation, or malignancies.

From your description, it seems that you have experienced swelling in the lymph nodes located beneath your jawline (submandibular region) on both sides, with varying degrees of pain and inflammation. The fact that the right side was initially painful and swollen, and now the left side is painful, suggests that there may be an underlying issue that requires further evaluation.


Understanding Lymph Node Swelling
1. Infection: The most common cause of swollen lymph nodes is an infection. This could be due to a localized infection in the area, such as a dental issue, throat infection, or even a skin infection. The pain you experienced could indicate an inflammatory response to an infection.

2. Reactive Lymphadenopathy: This is a benign condition where lymph nodes enlarge in response to infection or inflammation. If the swelling is due to a recent infection, it may resolve on its own as the body fights off the infection.

3. Chronic Conditions: If the lymph nodes remain swollen for an extended period, it may indicate a chronic infection or other underlying conditions that need to be addressed.

4. Malignancy: Although less common, persistent lymphadenopathy can be a sign of malignancy, such as lymphoma or metastasis from another cancer. This is particularly concerning if the lymph nodes are hard, fixed, or if there are other systemic symptoms like unexplained weight loss, night sweats, or fever.


When to Seek ENT Care
Given your symptoms, it is advisable to seek care from an ENT specialist for the following reasons:
- Duration of Symptoms: If the lymph nodes have been enlarged for several weeks without improvement, it warrants further investigation.

- Pain and Tenderness: The presence of pain, especially if it is localized to one side, may indicate an infection or other pathology that needs to be evaluated.

- Bilateral Involvement: Since you have experienced swelling on both sides, it is essential to rule out systemic causes.

- Associated Symptoms: If you experience additional symptoms such as difficulty swallowing, persistent sore throat, fever, or unexplained weight loss, you should seek medical attention promptly.


Recommended Actions
1. Consult an ENT Specialist: Schedule an appointment with an ENT doctor who can perform a thorough examination, including a physical exam and possibly imaging studies (like an ultrasound or CT scan) to assess the lymph nodes.

2. Consider a Complete Blood Count (CBC): This test can help identify signs of infection or other hematological issues.

3. Monitor Symptoms: Keep track of any changes in size, pain, or associated symptoms, and report these to your healthcare provider.

4. Dental Evaluation: If there is a possibility of a dental infection, consider seeing a dentist as well.

In summary, while swollen lymph nodes can often be benign and self-limiting, your symptoms suggest that a thorough evaluation by an ENT specialist is warranted. Early assessment can help determine the underlying cause and appropriate treatment, ensuring that any serious conditions are ruled out.

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