Gastroenterology Book

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Pilonidal Cyst

Aka: Pilonidal Cyst, Pilonidal Sinus, Pilonidal Abscess
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  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
      1. Do not make incision in midline (risk of non-healing)
      2. Make small incision lateral to midline
    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)


Pilonidal sinus with abscess (C0342988)

Concepts Pathologic Function (T046)
ICD9 685.0
ICD10 L05.0, L05.01, L05.02
SnomedCT 156321005, 200712009, 85224001, 200714005, 156320006, 267837002
Dutch pilonidaal abces, pilonidalisabces, pilonidaliscyste met abces, abces; pilonidalis, coccygeus; sinus, met abces, cyste; pilonidaal, met abces, dermaal; sinus, coccygeus, met abces, dermaal; sinus, met abces, dermaal; sinus, pilonidalis, met abces, pilonidaal; cyste, met abces, pilonidalis; abces, pilonidalis; sinus, met abces, sinus; dermaal, coccygeus, met abces, sinus; dermaal, met abces, sinus; dermaal, pilonidalis, met abces, sinus; pilonidalis, met abces, Sinus pilonidalis met abces
French Kyste pilonidal avec abcès, Abcès pilonidal
German Pilonidalabszess, Pilonidalzyste mit Abszess, Haarbalgabszess
Italian Ascesso pilonidale con ascesso, Ascesso pilonidale
Portuguese Quisto pilonidal com abcesso, Abcesso pilonidal
Spanish Absceso pilonidal, Quiste pilonidal con absceso, Pilonidal sinus/cyst, Abscess - pilonidal, Pilonidal cyst with abscess, Pilonidal sinus with abscess, Pilonidal abscess, absceso pilonidal, quiste pilonidal con absceso (trastorno), quiste pilonidal con absceso, seno pilonidal con absceso (trastorno), seno pilonidal con absceso
Japanese 膿瘍を伴う毛巣嚢胞, 毛巣膿瘍, ﾓｳｿｳﾉｳﾖｳ, ﾉｳﾖｳｦﾄﾓﾅｳﾓｳｿｳﾉｳﾎｳ
English pilonidal cyst with abscess, pilonidal cyst with abscess (diagnosis), PILONIDAL CYST WITH ABSCESS, PILONIDAL ABSCESS, Pilonidal cyst w abscess, Abscess;pilonidal, pilonidal cyst abscess, Pilonidal cyst with abscess, Pilonidal abscess, Pilonidal sinus with abscess, Pilonidal cyst with abscess (disorder), Pilonidal sinus with abscess (disorder), coccyx; sinus, with abscess, cyst; pilonidal, with abscess, dermal; sinus, coccygeal, with abscess, dermal; sinus, pilonidal, with abscess, dermal; sinus, with abscess, abscess; pilonidal, pilonidal; abscess, pilonidal; cyst, with abscess, pilonidal; sinus, with abscess, sinus; dermal, coccygeal, with abscess, sinus; dermal, pilonidal, with abscess, sinus; dermal, with abscess, sinus; pilonidal, with abscess, Abscess - pilonidal, Abscess pilonidal, pilonidal abscess
Czech Pilonidální cysta s abscesem, Pilonidální absces
Korean 고름집(농양)이 있는 모소낭
Hungarian Pilonidalis tályog, Pilonidalis cysta abscessussal, pilonidalis abscessus
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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