Is It Normal to Expel Pus After Cyst Removal Surgery?

Post-epidermoid cyst surgery

I had a cyst removal surgery last Saturday, where a small incision was made to extrude the contents from the inside out and remove the sac.
There were no stitches after the procedure, and I have been taking my medication and applying ointment as directed.
However, just today, I gently squeezed the wound area and expelled a significant amount of a paste-like substance.
Is this a normal occurrence, or could it indicate that it wasn't cleaned out properly?

Xiao Sha Gua, 20~29 year old female. Ask Date: 2020/11/19

Dr. Wu Yuxin reply Dermatology

You should consult your attending physician about this issue, as they are the most familiar with your condition and the specifics of the surgery.

Reply Date: 2020/11/19

More Info

After cyst removal surgery, it is not uncommon to experience some drainage from the surgical site, including the expulsion of pus or other fluid-like substances. However, the presence of pus can indicate a few different things, and it is essential to understand the context of your situation.

When a cyst is removed, the body goes through a healing process. This process can involve the accumulation of fluid, which may include blood, serum, or even pus if there is an infection. If you have noticed a thick, paste-like substance coming from the incision site, it could be a combination of the normal healing fluid and possibly some pus, especially if it is accompanied by other symptoms such as increased redness, swelling, or pain at the site.

Here are some key points to consider regarding your situation:
1. Normal Healing Process: After any surgical procedure, including cyst removal, it is typical for the body to produce some fluid as part of the healing process. This fluid can be clear or slightly cloudy and may contain white blood cells that help fight infection.

2. Signs of Infection: If the fluid you are expelling is thick, yellow, or green, it may suggest an infection. Other signs of infection can include increased pain, swelling, warmth around the incision, or fever. If you experience any of these symptoms, it is crucial to contact your healthcare provider promptly.

3. Surgical Technique: The technique used during the cyst removal can also impact healing. If the cyst was not entirely excised or if there was any residual material left behind, this could lead to fluid accumulation or infection. However, if your surgeon indicated that the cyst was completely removed, then the drainage may simply be part of the normal healing process.

4. Aftercare: Following your surgeon's aftercare instructions is vital. This includes keeping the area clean and dry, applying any prescribed ointments, and taking medications as directed. If you are unsure about how to care for the site, or if you have concerns about the drainage, do not hesitate to reach out to your healthcare provider for guidance.

5. When to Seek Help: If the drainage continues for an extended period, becomes increasingly painful, or if you develop any signs of infection, you should seek medical attention. Your doctor may need to assess the site, possibly perform imaging or cultures, and determine if further intervention is necessary.

In summary, while some drainage after cyst removal can be normal, it is essential to monitor the characteristics of the fluid and any accompanying symptoms. If you have any doubts or concerns, it is always best to consult with your healthcare provider to ensure proper healing and address any potential complications.

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