Gastroenterology Book

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Pilonidal Cyst

Aka: Pilonidal Cyst, Pilonidal Sinus, Pilonidal Abscess
  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.
Concepts Disease or Syndrome (T047)
MSH D010864
ICD9 685
ICD10 L05, L05.91, L05.92
SnomedCT 47639008, 302224009, 200711002, 302223003, 200716007, 156320006, 267837002
English Pilliferous cyst, Cysts, Pilonidal, Pilonidal Cysts, Pilonidal Sinus, CYST, PILONIDAL, Cyst, Pilonidal, PILONIDAL CYST, Pilonidal cyst, Sinus, Pilonidal, Pilonidal cyst, NOS, Pilonidal sinus/cyst NOS, PILONIDAL SINUS, Pilonidal sinus/cyst, pilonidal cyst, pilonidal cyst with sinus (diagnosis), pilonidal cyst (diagnosis), pilonidal cyst with sinus, Cyst - pilonidal (finding), Pilonidal sinus/cyst (disorder), Pilonidal sinus (finding), Pilonidal sinus/cyst NOS (disorder), Pilonidal cyst NOS, Pilonidal cyst and sinus, Pilonidal Sinus [Disease/Finding], pilonidal cyst sinus, Cyst;pilonidal, Fistula;pilonidal, pilonidal sinus cyst, pilonidal sinus/cyst (non-specific), pilonidal cysts, sinus pilonidal, coccygeal sinus, cyst pilonidal, Coccygeal sinus, Pilonidal sinus, Coccygeal fistula, Piliferous cyst, Pilonidal fistula, Cyst - pilonidal, Cyst - pilonidal (disorder), coccyx; sinus, cyst; pilonidal, fistula; pilonidal, pilonidal; cyst, pilonidal; fistula, pilonidal; sinus, sinus; coccygeal, sinus; pilonidal, Sinus - pilonidal, Pilonidal Cyst, pilonidal sinus, pilonidal fistula, Sinus;pilondial
French KYSTE PILONIDAL, Kyste pilonidal, Sinus pilonidal
Spanish QUISTE PILONIDAL, Cyst - pilonidal, Pilonidal sinus/cyst, Sinus - pilonidal, Pilonidal sinus, Seno pilonidal, fístula coccígea, fístula pilonidal, quiste pilonidal (trastorno), quiste pilonidal, quiste pilífero, quiste/fístula pilonidal, SAI (trastorno), quiste/fístula pilonidal, SAI, seno coccígeo, seno pilonidal, Quiste pilonidal, Quiste Pilonidal, Seno Pilonidal
German PILONIDALZYSTE, Sinus pilonidalis, Pilonidalsinus, Pilonidalzyste
Swedish Pilonidalcysta
Japanese ﾓｳｿｳﾉｳﾎｳ, ﾓｳｿｳﾄﾞｳ, ピロニダールサイヌス, 毛巣洞, 毛巣嚢胞, 毛巣嚢腫, 毛巣瘻
Czech pilonidální sinus, pilonidální cysta, Pilonidální cysta, Pilonidální dutina
Finnish Pilonidaalisinus
Russian EKTODERMAL'NYI KRESTTSOVO-KOPCHIKOVYI SINUS, PILONIDAL'NAIA KISTA, PILONIDAL'NYI SINUS, EPITELIAL'NYI KOPCHIKOVYI KHOD, ПИЛОНИДАЛЬНАЯ КИСТА, ПИЛОНИДАЛЬНЫЙ СИНУС, ЭКТОДЕРМАЛЬНЫЙ КРЕСТЦОВО-КОПЧИКОВЫЙ СИНУС, ЭПИТЕЛИАЛЬНЫЙ КОПЧИКОВЫЙ ХОД
Portuguese QUISTO PILONIDAL, Sinus pilonidal, Quisto pilonidal, Cisto Pilonidal, Seio Pilonidal
Italian Cisti pilonidale, Seno pilonidale
Dutch pilonidale sinus, coccygeus; sinus, cyste; pilonidaal, fistel; pilonidaal, pilonidaal; cyste, pilonidaal; fistel, pilonidalis; sinus, sinus; coccygeus, sinus; pilonidalis, pilonidaliscyste, Pilonidaal cyste, Sinus pilonidalis
Korean 모소낭
Polish Torbiel pilonidalna, Torbiel zawierająca włosy, Torbiel włosowa
Hungarian pilonidalis cysta, Pilonidalis sinus
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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