Gastroenterology Book

http://www.fpnotebook.com/

Pilonidal CystAka: Pilonidal Sinus, Pilonidal Abscess

Advertisement

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

Pilonidal Cyst (C0031925)

Definition (MSH)A hair-containing cyst or sinus, occurring chiefly in the coccygeal region.
ConceptsDisease or Syndrome (T047) , Anatomical Abnormality (T190)
ICD9685
MSHD010864
EnglishCoccygeal fistula, Coccygeal sinus, Cyst - pilonidal, Piliferous cyst, Pilonidal Cyst, Pilonidal Cysts, Pilonidal fistula, PILONIDAL SINUS, Pilonidal sinus/cyst, Sinus - pilonidal
Spanishfistula coccigea, fistula pilonidal, quiste pilifero, quiste pilonidal, seno coccigeo, seno pilonidal
Parent ConceptsInfection of skin AND/OR subcutaneous tissue (C0178299), Cyst (C0010709), Cyst of skin (C0241060), Pelvic mass (C0347944), Soft tissue lesion of pelvic region (C0410072), Pilonidal sinus disorder (C0589023), Disorder of skin AND/OR subcutaneous tissue of trunk (C1290026), Ambiguous concept (C1274012), Duplicate concept (C1274013)
SourcesCOSTAR, CST, DXP, ICD9CM, LCH, MEDLINEPLUS, MSH, MTH, NCI, NDFRT, OMIM, SCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)



Navigation Tree