Small Growths After Fistula Surgery: Causes and Care - Surgery

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Post-operative granulation tissue after fistula surgery?


Hello doctor, it has been three weeks since the fistula surgery, and during the dressing change, I noticed a small flesh-colored bump about 3-4mm in diameter near the wound.
It feels uncomfortable when touched and is close to the anal area.
What could this condition be? What further treatment might be necessary? Thank you, doctor.

Nathan, 20~29 year old female. Ask Date: 2022/07/15

Dr. Ke Fangxu reply Surgery


Without a personal examination, it is difficult to determine the condition; it could be granulation tissue from the wound healing process or it may indicate an infection.
It is advisable to have the surgeon take a look for a better assessment.

Reply Date: 2022/07/15

More Info


After undergoing fistula surgery, it is not uncommon for patients to notice small growths or tissue changes around the surgical site. These small growths, often referred to as "granulation tissue," can appear as small, fleshy bumps that may be sensitive or uncomfortable when touched. Granulation tissue is a normal part of the healing process and is composed of new connective tissue and tiny blood vessels that form on the surface of a wound during the healing phase.

In your case, the small growth you described, measuring about 3-4mm in diameter, is likely granulation tissue. This tissue typically develops in response to the healing process, especially in areas where there has been significant tissue trauma, such as after a fistula surgery. While granulation tissue is generally benign, it can sometimes become excessive or hypertrophic, leading to discomfort or complications.

Here are some important considerations regarding granulation tissue and care after fistula surgery:
1. Normal Healing Process: Granulation tissue is a sign that your body is healing. It usually appears within a few weeks post-surgery and can continue to develop for several weeks. The presence of this tissue does not necessarily indicate a problem, but it should be monitored.

2. Sensitivity and Discomfort: It is common for granulation tissue to be sensitive or tender, especially if it is located near the anal area. If you experience significant discomfort or pain, it is important to communicate this with your healthcare provider.

3. Management and Treatment: In many cases, granulation tissue will resolve on its own as the underlying wound heals. However, if the tissue is excessive or causing significant discomfort, your doctor may recommend treatments such as:
- Cauterization: This involves using a chemical agent or heat to reduce the granulation tissue.

- Topical Treatments: Certain topical medications may help reduce granulation tissue formation.

- Surgical Intervention: In rare cases, if the granulation tissue is problematic, a minor surgical procedure may be necessary to remove it.

4. Follow-Up Care: It is crucial to maintain regular follow-up appointments with your surgeon or healthcare provider. They can assess the growth and determine if any intervention is needed. They will also monitor for signs of infection or other complications.

5. Signs to Watch For: While granulation tissue is typically harmless, you should be vigilant for any signs of infection, such as increased redness, swelling, warmth, or discharge from the surgical site. If you notice any of these symptoms, seek medical attention promptly.

6. Hygiene and Care: Proper hygiene is essential in the postoperative period. Keep the area clean and dry, and follow any specific care instructions provided by your healthcare team. Avoid using harsh soaps or irritants that could exacerbate sensitivity.

In summary, the small growth you are experiencing after fistula surgery is likely granulation tissue, which is a normal part of the healing process. However, it is important to keep your healthcare provider informed about any changes or discomfort you experience. Regular follow-up care is essential to ensure proper healing and to address any potential complications. If you have further concerns or if the growth changes in size or appearance, do not hesitate to reach out to your healthcare provider for guidance.

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