A member asked:

What is pilonidal sinus?

4 doctors weighed in across 3 answers

Follicular: It is one of the follicular occulsion diseases like cystic acne but pilonidal sinus occurs at lower back sacral area of body.

Answered 10/3/2016

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Dr. Mark Weston answered

Specializes in Orthopedic Spine Surgery

Rectal infection: A blindcutaneus sac arising from rectal glands often tender and infected resolves with drainage or excision.

Answered 11/7/2019

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Dr. Erik Borncamp answered

Specializes in Wound care

A tunnel : A pilonidal cyst is a chronic abscess or chronic infection usually at the top of the crease between your buttocks. When it tunnels to the surface to drain you are left with a sinus.

Answered 5/3/2017

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