What is the incidence of pilonidal cyst and sinus?

Updated: May 20, 2019
  • Author: Alex Koyfman, MD; Chief Editor: Gil Z Shlamovitz, MD, FACEP  more...
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Incidence of pilonidal disease is about 26 per 100,000 population. Pilonidal disease occurs predominantly in males, at a ratio of about 3-4:1. It occurs predominantly in white patients, typically in the late teens to early twenties, decreasing after age 25 and rarely occurs after age 45. [1, 3] One publication listed local irritation to the SC site, positive family history of pilonidal disease (PD), sedentary life style, and obesity as occurring in notable percentages of patients with PD (all factors between 34-50% occurrence in PD). [4]

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