Ishikawa classification of venous involvement by pancreatic ductal adenocarcinoma

Last revised by David Luong on 23 Jun 2021

Citation, DOI, disclosures and article data

Citation:

Rezaee A, Luong D, Weerakkody Y, Ishikawa classification of venous involvement by pancreatic ductal adenocarcinoma. Reference article, Radiopaedia.org (Accessed on 19 Apr 2024) https://doi.org/10.53347/rID-52827

DOI:

https://doi.org/10.53347/rID-52827

Permalink:

https://radiopaedia.org/articles/52827

rID:

52827

Article created:

22 Apr 2017, Amir Rezaee

Disclosures:

At the time the article was created Amir Rezaee had no recorded disclosures.

View Amir Rezaee's current disclosures

Last revised:

23 Jun 2021, David Luong ◉

Disclosures:

At the time the article was last revised David Luong had no recorded disclosures.

View David Luong's current disclosures

Revisions:

3 times, by 3 contributors - see full revision history and disclosures

Systems:

Gastrointestinal, Oncology

Sections:

Classifications

Tags:

diagram, case

Ishikawa classification system describes the degree of involvement of adjacent portal vein and superior mesenteric vein by pancreatic ductal adenocarcinoma based on the caliber of the vein:

type I: normal
type II: smooth shift/displacement with normal caliber
type III: unilateral narrowing
type IV: bilateral narrowing
type V: bilateral narrowing with collateral formation