Possible Recurrence of Anal Fistula After Surgery: What to Watch For - Surgery

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Suspected recurrence after anal fistula surgery?


Hello Doctor, I underwent anal fistula surgery on April 24th last month.
I returned to the hospital for a follow-up appointment on the morning of the 17th, and the doctor said the wound looked normal.
However, after returning home yesterday, I started experiencing pain in the anal area, and I noticed a small white bump that resembled an abscess (photo link: https://ppt.cc/f23BGx).
It later ruptured on its own (photo link: https://ppt.cc/fvanwx).
This pus-like substance appeared at the site of the original surgical wound.
I would like to ask if this indicates a recurrence of the fistula.
Thank you.

Niming, 20~29 year old female. Ask Date: 2021/05/18

Dr. Ke Fangxu reply Surgery


Generally, a recurrence would not happen so quickly; it is more likely due to poor wound healing.
It is recommended to take warm sitz baths and observe for a while to determine if medication is needed.
Please consult a physician for evaluation.
If the wound is healing gradually, there should be no issues.
However, if it does not heal over time, it may indicate a recurrence.

Reply Date: 2021/05/18

More Info


The recurrence of an anal fistula after surgery can be a concerning issue for many patients. Based on your description, it seems you underwent surgery for an anal fistula on April 24, and now you are experiencing pain and the formation of a white, pus-like bump at the surgical site. This situation raises several important points regarding the potential recurrence of the fistula and the appropriate steps to take.

Firstly, it is essential to understand that anal fistulas can recur after surgical intervention, especially if the initial surgery did not completely address the underlying issue. The presence of a white, pus-like bump could indicate several possibilities: it might be a sign of infection, a collection of pus (abscess), or even a recurrence of the fistula itself. The fact that it ruptured and drained could suggest that it was indeed an abscess, which is not uncommon after fistula surgery.

In terms of recurrence, if the fistula was not entirely excised or if there are remnants of the fistulous tract left behind, it can lead to a recurrence. Additionally, if there was significant inflammation or infection at the time of the surgery, it could complicate the healing process and increase the likelihood of recurrence. It's also worth noting that some patients may experience post-operative complications that can mimic the symptoms of a recurrent fistula, such as pain and swelling.

Given your current symptoms, it is crucial to monitor the situation closely. Here are some steps you should consider:
1. Follow-Up with Your Surgeon: Since you have already had a follow-up appointment, it is advisable to contact your surgeon again, especially since you are experiencing new symptoms. They may want to examine the area to determine if there is an infection or if the fistula has recurred.

2. Watch for Symptoms: Keep an eye on any changes in your symptoms. If you notice increased pain, swelling, fever, or any other concerning signs, seek medical attention promptly. These could indicate an infection that may require antibiotics or further intervention.

3. Wound Care: Proper care of the surgical site is essential. Follow your surgeon's instructions regarding wound care, including keeping the area clean and dry. Warm sitz baths can help alleviate discomfort and promote healing.

4. Pain Management: If you are experiencing significant pain, discuss pain management options with your healthcare provider. They may recommend over-the-counter pain relievers or prescribe medication to help manage your discomfort.

5. Consider Imaging: If there is uncertainty about the recurrence of the fistula, your surgeon may recommend imaging studies, such as an MRI or ultrasound, to evaluate the area more thoroughly.

6. Long-Term Monitoring: Even if the current issue resolves, it is important to continue monitoring for any future symptoms. Regular follow-ups with your surgeon can help catch any potential issues early.

In summary, while the formation of a pus-like bump at the surgical site could indicate a recurrence of the fistula, it may also be related to an infection or abscess. It is essential to communicate with your healthcare provider about your symptoms and follow their recommendations for care and monitoring. Early intervention can help prevent complications and ensure the best possible outcome.

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