einstein (São Paulo). 10/Sep/2018;16(3):eAI4394.

Marsupial vena cava mimicking lymph node enlargement on tomography

Antonio José Souza Reis Filho ORCID logo , Marcelo Assis Rocha ORCID logo , George Ramos Lemos ORCID logo , Fernando Ide Yamauchi ORCID logo , Adriano Tachibana ORCID logo , Ronaldo Hueb Baroni ORCID logo

DOI: 10.1590/S1679-45082018AI4394

A 56-year-old male patient, hypertensive, diabetic and asymptomatic, underwent abdominal computed tomography (CT) with intravenous contrast for follow-up of hepatic steatosis. Computed tomography demonstrated a solid hypervascular nodule in the pancreatic head (characteristics of neuroendocrine lesion – ) and oval formation anteriorly to the aortoiliac bifurcation ().

In this situation, axial CT can mimick lymph node enlargement, especially in clinical oncology context. However, evaluation of the different phases of the exam and the reformatted coronal and sagittal images help making the correct diagnosis of a vascular anatomical variation: an anomalous course of the inferior vena cava (IVC) anteriorly to the aortoiliac bifurcation ( and ).

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Marsupial vena cava mimicking lymph node enlargement on tomography

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