when a pilonidal cyst is infected, it forms an abscess, eventually draining pus.
a pilonidal cyst is a closed sac under the skin at the top of the crease between the.
simple incision .drainage of cysts frequently results in recurrence.
pilonidal cyst — comprehensive overview covers causes, symptoms .treatments of this skin abnormality.
a pilonidal cyst is a cyst at the bottom of the tailbone (coccyx) that can become infected .filled with pus.