Karnataka PGET Surgery MCQ Answer 15

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The correct answer is A


Pilonidal sinus

  • A pilonidal sinus is a subcutaneous sinus containing hair
  • Lined by granulation tissue rather than epithelium
  • Usually occur in the natal cleft
  • Also seen in interdigital clefts, face and axilla
  • Usually seen in young adults.
  • Rare after the age of 40 years
  • Male : female ratio is 4:1

Aetiology

  • It is generally believed to be an acquired condition
  • Inflamed hair follicles in the cleft result in abscess or sinus formation
  • Hair becomes trapped in cleft and enters sinuses
  • Results in a foreign body reaction and perpetuates sinus formation
  • 80% present with recurrent pain
  • 80% present with a purulent discharge



Category: Karnataka PGET 2007 MCQs

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