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Pilonidal Cyst
Aka: Pilonidal Cyst, Pilonidal Sinus, Pilonidal Abscess
- Epidemiology
- Infection occurs most often in males, age 16 to 30
- Predisposing factors
- Men
- Dark-skin
- Hirsutism
- Pathophysiology
- Pit forms at skin disruption in gluteal fold
- Pit plugs with hair and keratin
- Abscess forms when drainage of pit is blocked
- Symptoms
- Pain in gluteal fold
- No systemic symptoms
- Signs
- Midline tender swelling in gluteal fold over Coccyx
- Management
- Incision and Drainage under Local Anesthesia
- Consider surgical referral for cyst and sinus excision
- See recurrence rates below
- Complications
- Recurrent infections: 10 to 90%
- References
- Marx (2002) Rosen's Emergency Medicine, p. 1952