Anal Lumps: Possible Causes and When to Seek Help - Surgery

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Recently, there was a lump near the anus?


Hello doctor, recently I noticed a lump near my anus.
It didn't cause any discomfort in my daily life, but when I pressed it with my finger, I felt slight pain.
After about 4.5 days, the lump reduced in size, leaving a small area with a structure that resembles a blood vessel inside.
Pressing it doesn't cause any sensation, and there are no other symptoms like pus discharge or fever.
Could this possibly be a fistula, or might it be something else? I have no prior history of anal conditions.

Zhang, 20~29 year old female. Ask Date: 2016/02/29

Dr. Ke Fangxu reply Surgery


Based on your description, it seems that hemorrhoids or anal fistula could be possible.
An accurate diagnosis must be made by a physician through a personal examination.
If there is no pain, bleeding, or discharge, it is advisable not to worry excessively.
You should consult a doctor for evaluation only when uncomfortable symptoms arise.

Reply Date: 2016/02/29

More Info


Understanding anal lumps can be quite concerning, especially when they appear unexpectedly. Based on your description, it seems you experienced a lump near your anus that was mildly painful when pressed but did not significantly affect your daily life. After a few days, the lump subsided, leaving a smaller area that resembles a blood vessel. You also mentioned that there was no pus or fever, which are important factors to consider.

There are several possible causes for anal lumps, and they can range from benign to more serious conditions. Here are some common causes:
1. Hemorrhoids: These are swollen blood vessels in the rectal area that can cause lumps. They can be internal or external and may cause discomfort, especially during bowel movements. Hemorrhoids are often associated with straining during bowel movements, pregnancy, or prolonged sitting.

2. Anal Abscess: This is a collection of pus that can occur due to an infection in the anal glands. An abscess can cause significant pain, swelling, and sometimes fever. If it drains, it may produce pus.

3. Fistula: An anal fistula is a small tunnel that forms between the end of the bowel and the skin near the anus. It often develops after an abscess has drained. Symptoms may include a lump, pain, and sometimes discharge.

4. Skin Tags: These are benign growths that can occur around the anus, often as a result of previous hemorrhoids or irritation. They are usually painless and do not require treatment unless they become bothersome.

5. Warts or Other Growths: Genital warts or other benign growths can also appear in the anal area. These are typically painless but may require treatment if they cause discomfort or concern.

Given that your lump has significantly reduced in size and you are not experiencing severe symptoms, it may not be a cause for immediate concern. However, it is essential to monitor the area for any changes. If the lump returns, increases in size, or if you start experiencing additional symptoms such as bleeding, severe pain, or changes in bowel habits, it is crucial to seek medical attention.

In terms of when to seek help, consider the following guidelines:
- If the lump persists for more than a few weeks without improvement.

- If you experience significant pain, swelling, or fever.

- If there is any bleeding or discharge from the lump.

- If you notice changes in your bowel habits, such as constipation or diarrhea.

In conclusion, while your symptoms may suggest a benign condition, it is always best to consult with a healthcare professional for an accurate diagnosis and appropriate management. They may perform a physical examination and, if necessary, additional tests to determine the exact nature of the lump. Early intervention can help prevent potential complications and provide peace of mind.

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