Movable Lumps Inside the Lower Lip: ENT Insights - Otolaryngology

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A movable lump on the inner side of the lower lip?


Recently, I noticed a movable lump on the inner side of my lower lip that feels similar to a lymph node.
It is slightly larger than the others, but it doesn't hurt.
What could be the implications of this?

Xiao Chen, 20~29 year old female. Ask Date: 2018/08/20

Dr. Zheng Jueyi reply Otolaryngology


Hello: It is common to find lymph nodes or small salivary glands.
If there is no obvious pain or persistent enlargement, you may observe it for now.
However, if there are ulcers or if it continues to enlarge, it is advisable to seek medical examination.
Wishing you peace and health.
Sincerely, Dr.
Cheng Jue-Yi, Director of the Department of Otolaryngology, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2018/08/20

More Info


When you notice a movable lump inside your lower lip, it can be concerning, especially if it is larger than other similar structures in the area. Based on your description, it sounds like you may be dealing with a mucocele or a swollen lymph node, both of which are relatively common occurrences in the oral cavity.

A mucocele is a cyst-like lesion that forms when a salivary gland duct becomes blocked or damaged, leading to the accumulation of mucus. These are typically painless and can vary in size. They often appear as a soft, movable lump and can occur anywhere in the mouth, including the inner lip. Mucoceles are generally harmless and may resolve on their own, but if they persist or cause discomfort, they may require treatment, which can include drainage or surgical removal.

On the other hand, if the lump feels more like a lymph node, it could be a reactive lymphadenopathy, which is an enlargement of the lymph nodes due to infection or inflammation in the area. Lymph nodes can swell in response to various stimuli, including dental infections, viral infections, or other inflammatory processes. If this is the case, the lump may resolve once the underlying issue is treated.

In your situation, since the lump is not painful and has been noticed after licking the area, it is less likely to be a serious issue. However, it is essential to monitor the lump for any changes in size, shape, or associated symptoms such as pain, redness, or difficulty eating or speaking. If you notice any of these changes or if the lump persists for an extended period, it would be prudent to consult an ENT specialist or a dentist for a thorough evaluation.

In terms of potential impacts, if the lump is indeed a mucocele, it is unlikely to cause any significant health issues. However, if it is a lymph node reacting to an infection, addressing the underlying cause is crucial to prevent further complications.
In summary, while movable lumps in the oral cavity can be concerning, many are benign and self-limiting. Regular monitoring and consultation with a healthcare professional if symptoms change are the best approaches to ensure your health and peace of mind. If you have any further questions or concerns, do not hesitate to reach out to a healthcare provider for personalized advice.

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