ANATOMICAL VARIATIONS OF PORTAL VENOUS SYSTEM: IMPORTANCE IN SURGICAL CLINIC.
Edmundo Vieira Prado NetoAndy PetroianuPublished in: Arquivos brasileiros de cirurgia digestiva : ABCD = Brazilian archives of digestive surgery (2022)
Thomson classification of variants is the most well-known, accounting for over 90% of portal venous variant found in clinical practice, inasmuch as the sum of the three junctions are found in over 93% of the patients. Even though rarer and accounting for less than 7% of variants, the other nine reported variations will occasionally be found during many abdominal operations.