A 20-year-old female asked:
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how long does it take for a polinidal cyst to come back after being popped and negative cultures. with antibiotic treatment. ?

2 doctor answers
Dr. Andrew Carroll
24 years experience Family Medicine
Recur: Pilondial cysts have a tendency to recur, unfortunately. The cyst wall stays behind, even with rupture and antibiotic treatment, and the cyst can reaccumulate. In order to properly treat a pilonidal cyst, the cyst wall needs to be completely removed. Either your primary care physician or a surgeon can perform this procedure.
Answered on Mar 10, 2018
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Dr. Barry Rosen
Dr. Barry Rosen commented
33 years experience General Surgery
Excision of pilonidal cysts require anesthesia in an operating room setting. Unfortunately, even after excision, they will recur 25% of the time. For this reason, we often try to get by with simple incision and drainage. A key strategy to prevent recurrence is to use a depilatory (assuming no open wound is present) to keep the area free of hair.
Jan 4, 2012
Dr. Barry Rosen
33 years experience General Surgery
Sometimes, never.: Pilonidal cysts are areas of chronic inflammation overlying the tailbone that arise due to ingrown hairs under the skin. These are prone to infections that form abscesses, requiring incision and drainage ("lancing"). Surgical excision is reserved for those that require repeated lancing, since these may recur as often as 25% of the time even after surgery. Fortunately, these are rare after age 30.
Answered on Dec 20, 2012
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