Background Postanal pilonidal sinus is a skin condition in the midline of
the natal cleft. A primary pit forms in the midline, caused
by a hair follicle that has become infected, into which loose
hairs enter to create a track or abscess.
Objective This article explains how a pilonidal sinus develops and
presents, and details methods of treatment in the primary
care setting and specialist management options.
Discussion The devastation of recurrence with further pain,
embarrassment, and time off work or school (in some
cases for months or years), plus the prospect of more
surgery is still common for patients with postanal pilonidal
sinus. This can be avoided with the correct management.
Surgery now has methods that produce early healing, low
recurrence rates and acceptable cosmetic results.
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