Biliary atresia echocardiography or ultrasound: Difference between revisions

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Ultrasound shows:
Ultrasound shows:


* echogenic fibrous tissue anterior to the portal vein: triangular cord sign 5
* echogenic fibrous tissue anterior to the portal vein: triangular cord sign <ref name="pmid14595143">{{cite journal| author=Lee HJ, Lee SM, Park WH, Choi SO| title=Objective criteria of triangular cord sign in biliary atresia on US scans. | journal=Radiology | year= 2003 | volume= 229 | issue= 2 | pages= 395-400 | pmid=14595143 | doi=10.1148/radiol.292020472 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=14595143  }} </ref>
** represents ductal remnant of extrahepatic bile duct
** represents ductal remnant of extrahepatic bile duct
* hepatic artery changes
* hepatic artery changes
** larger hepatic arterial caliber 2
** larger hepatic arterial caliber <ref name="pmid19561262">{{cite journal| author=Lee MS, Kim MJ, Lee MJ, Yoon CS, Han SJ, Oh JT | display-authors=etal| title=Biliary atresia: color doppler US findings in neonates and infants. | journal=Radiology | year= 2009 | volume= 252 | issue= 1 | pages= 282-9 | pmid=19561262 | doi=10.1148/radiol.2522080923 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=19561262  }} </ref>
** subcapsular hepatic arterial flow on Doppler
** subcapsular hepatic arterial flow on Doppler
** right proximal hepatic artery diameter >1.5 mm
** right proximal hepatic artery diameter >1.5 mm
** hepatic artery to portal vein diameter ratio >0.45
** hepatic artery to portal vein diameter ratio >0.45
* gallbladder ghost triad 4
* gallbladder ghost triad <ref name="pmid12695863">{{cite journal| author=Tan Kendrick AP, Phua KB, Ooi BC, Tan CE| title=Biliary atresia: making the diagnosis by the gallbladder ghost triad. | journal=Pediatr Radiol | year= 2003 | volume= 33 | issue= 5 | pages= 311-5 | pmid=12695863 | doi=10.1007/s00247-003-0867-z | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12695863  }} </ref>
* gallbladder contraction index decreased for the age__NOTOC__
{{Biliary atresia}}
{{Biliary atresia}}



Revision as of 17:16, 9 March 2022

Ultrasound shows:

  • echogenic fibrous tissue anterior to the portal vein: triangular cord sign [1]
    • represents ductal remnant of extrahepatic bile duct
  • hepatic artery changes
    • larger hepatic arterial caliber [2]
    • subcapsular hepatic arterial flow on Doppler
    • right proximal hepatic artery diameter >1.5 mm
    • hepatic artery to portal vein diameter ratio >0.45
  • gallbladder ghost triad [3]

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References

  1. Lee HJ, Lee SM, Park WH, Choi SO (2003). "Objective criteria of triangular cord sign in biliary atresia on US scans". Radiology. 229 (2): 395–400. doi:10.1148/radiol.292020472. PMID 14595143.
  2. Lee MS, Kim MJ, Lee MJ, Yoon CS, Han SJ, Oh JT; et al. (2009). "Biliary atresia: color doppler US findings in neonates and infants". Radiology. 252 (1): 282–9. doi:10.1148/radiol.2522080923. PMID 19561262.
  3. Tan Kendrick AP, Phua KB, Ooi BC, Tan CE (2003). "Biliary atresia: making the diagnosis by the gallbladder ghost triad". Pediatr Radiol. 33 (5): 311–5. doi:10.1007/s00247-003-0867-z. PMID 12695863.