Allantoic cyst

MedGen UID:: 1643871
•Concept ID:: C4551690
•: Congenital Abnormality

Synonym:	Allantoic Cyst
SNOMED CT:	Allantoic cyst (17234001)

HPO:	HP:0030754

Definition

A swelling formed at the base of umbilicus associated with a patent urachus which results from an allantoic remnant. The urachus is a fibrous remnant of the allantois which communicates from the apex of the urinary bladder to the umbilicus. Failed obliteration of the urachus can lead to various abnormalities [from HPO]

Term Hierarchy

GTR
MeSH

CClinical test, RResearch test, OOMIM, GGeneReviews, VClinVar

CROGVAllantoic cyst

Abnormality of the genitourinary system
- Abnormality of the urinary system
  - Abnormality of the lower urinary tract
    - Abnormality of the bladder
      - Abnormal bladder morphology
        Abnormality of the urachus
        Allantoic cyst

Professional guidelines

PubMed

Bladder prolapse through a patent urachus presenting as an umbilical mass in the newborn: characteristic prenatal sonographic findings and the diagnostic benefit of postnatal cystography.

Hodes AD, Weinberg G, Borenstein SH, Liszewski MC, Levin TL
Pediatr Radiol 2021 Sep;51(10):1929-1933. Epub 2021 May 20 doi: 10.1007/s00247-021-05106-8. PMID: 34014354

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Recent clinical studies

Etiology

Prenatal and Postnatal Clinical Course of an Urachus Identified as an Allantoic Cyst in the Umbilical Cord.

Umeda S, Usui N, Kanagawa T, Yamamichi T, Nara K, Ueno T, Owari M, Uehara S, Oue T, Kimura T, Okuyama H
Eur J Pediatr Surg 2016 Apr;26(2):200-2. Epub 2016 Mar 16 doi: 10.1055/s-0035-1549263. PMID: 26981767

Prenatal vesico-allantoic cyst outcome - a spectrum from patent urachus to bladder exstrophy.

Riddell JV, Houle AM, Franc-Guimond J, Barrieras D
Prenat Diagn 2015 Dec;35(13):1342-6. Epub 2015 Nov 9 doi: 10.1002/pd.4702. PMID: 26443202

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Diagnosis

Prenatal Detection of Vesico-Allantoic Cyst: Ultrasound and Autopsy Findings.

Bonasoni MP, Comitini G, Cavicchioni O, Barbieri V, Dalla Dea G, Palicelli A, Aguzzoli L
Fetal Pediatr Pathol 2023 Jun;42(3):498-505. Epub 2022 Nov 11 doi: 10.1080/15513815.2022.2143250. PMID: 36369825

Prenatal and Postnatal Clinical Course of an Urachus Identified as an Allantoic Cyst in the Umbilical Cord.

Prenatal vesico-allantoic cyst outcome - a spectrum from patent urachus to bladder exstrophy.

Riddell JV, Houle AM, Franc-Guimond J, Barrieras D
Prenat Diagn 2015 Dec;35(13):1342-6. Epub 2015 Nov 9 doi: 10.1002/pd.4702. PMID: 26443202

Allantoic cyst and patent urachus.

Pal K, Ashri H, Al-Ghazal FA
Indian J Pediatr 2009 Feb;76(2):221-3. Epub 2008 Dec 4 doi: 10.1007/s12098-008-0218-z. PMID: 19057858

Omphalocele and umbilical cord cyst. Prenatal diagnosis.

Stella A, Babbo GL
Minerva Ginecol 2000 May;52(5):213-6. PMID: 11048478

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