Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Portal Vein Thrombosis Grading System
| Grade 1 | <50% PV thrombosed with or without minimal extension into SMV |
| Grade 2 | >50% PV thrombosed with or without minimal extension into SMV |
| Grade 3 | Complete thrombosis of PV and proximal SMV |
| Grade 4 | Complete thrombosis of PV, proximal SMV, distal SMV |
Reproduced with permission from Transplantation.6 Copyright 2000, Wolters Kluwer Health.
