Post-Surgery Changes: What to Expect After Fistula Repair - Surgery

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Fistula healing


After a fistula surgery, it has been 7 days, and the wound is almost painless (even during bowel movements).
However, there is a small growth next to it.
What could this be? (The wound is approximately 2 centimeters long.)

zero zero, 10~19 year old female. Ask Date: 2015/07/14

Dr. Xu Kaixi reply Surgery


The wound healing process after anal fistula surgery has resulted in an unexpected situation (a lump has developed nearby).
It is recommended that you visit the office of the surgeon who performed your procedure for further evaluation.

Reply Date: 2015/07/14

More Info


After undergoing a fistula repair surgery, it's common to have questions about the healing process and any changes you may observe around the surgical site. Given that you are seven days post-operation and experiencing minimal pain, this is a positive sign indicating that your body is healing well. However, the appearance of a new growth or lump near the surgical site can be concerning, and it's important to understand what this might mean.

Firstly, the healing process after a fistula repair can vary significantly from person to person. Generally, the initial pain and discomfort should decrease significantly within the first week, as you have experienced. The fact that you are not feeling pain during bowel movements is also a good indicator that the surgical site is healing properly.
Regarding the lump that has developed near your surgical site, there are several possibilities to consider:
1. Granulation Tissue: This is a common occurrence after surgery. Granulation tissue is a new connective tissue and microscopic blood vessels that form on the surface of a wound during the healing process. It is typically red or pink and may feel soft or slightly raised. This tissue is a normal part of healing and usually resolves on its own over time.

2. Suture Abscess: If the lump is firm and painful, it could be a suture abscess, which occurs when bacteria infect the area around a suture. This can happen if the sutures used during the surgery are not fully absorbed by the body or if they become infected. If you notice increased redness, warmth, or pus, you should contact your healthcare provider.

3. Keloid or Hypertrophic Scarring: Some individuals may develop raised scars as part of the healing process. Keloids are thick, raised areas of scar tissue that can form at the site of an injury. They are more common in certain individuals and can be treated if they become bothersome.

4. Fluid Collection: Sometimes, fluid can accumulate at the surgical site, leading to a lump. This can be a seroma (a collection of clear fluid) or a hematoma (a collection of blood). If the lump is soft and fluctuates when you press on it, it may be a fluid collection.

5. Infection: While you mentioned minimal pain, any signs of infection (increased redness, warmth, swelling, or discharge) should be taken seriously. If you develop a fever or notice any of these symptoms, you should seek medical attention promptly.

In conclusion, while the presence of a lump near your surgical site can be concerning, it is not uncommon in the healing process following a fistula repair. It is essential to monitor the lump for any changes in size, color, or pain level. If you have any doubts or if the lump becomes painful or shows signs of infection, it is crucial to consult your healthcare provider for an evaluation. They may perform a physical examination and, if necessary, imaging studies to determine the nature of the lump and recommend appropriate treatment. Remember, your healthcare provider is your best resource for addressing any concerns you may have during your recovery.

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