Congenital extrahepatic portosystemic shunt classification
Last revised by Jeremy Jones on 20 Sep 2021
Citation, DOI, disclosures and article data
Citation:
O'Gorman P, Jones J, Weerakkody Y, et al. Congenital extrahepatic portosystemic shunt classification. Reference article, Radiopaedia.org (Accessed on 19 Apr 2024) https://doi.org/10.53347/rID-54459
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rID:
54459
Article created:
10 Jul 2017,
Patricia O'Gorman
Disclosures:
At the time the article was created Patricia O'Gorman had no recorded disclosures.
View Patricia O'Gorman's current disclosures
Last revised:
20 Sep 2021,
Jeremy Jones ◉
Disclosures:
At the time the article was last revised Jeremy Jones had no recorded disclosures.
View Jeremy Jones's current disclosures
Revisions:
8 times, by
7 contributors -
see full revision history and disclosures
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This congenital extrahepatic portosystemic shunt classification was proposed by Morgan and Superina in 1994 1:
-
type 1: complete diversion of portal blood into the inferior vena cava with congenital absence of the portal vein
- 1a: superior mesenteric vein and splenic vein do not join to form a confluence
- 1b: superior mesenteric vein and splenic vein joint to form a confluence
- type 2: intact portal vein (may be hypoplastic) with some portal flow diverted to the inferior vena cava through side-to-side extrahepatic communication 3
See also
References
- 1. Morgan G, Superina R. Congenital absence of the portal vein: two cases and a proposed classification system for portasystemic vascular anomalies. Journal of pediatric surgery. 29 (9): 1239-41. Pubmed
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