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From the case:
Lymphoma - sandwich sign
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Axial C+ portal venous phase
This patient with lymphoma demonstrates enormous mesenteric lymph node enlargement, on either side of the mesenteric vessels, known as the hamburger sign or sandwich sign.
Case Discussion
A sandwich sign, sometimes known as a hamburger sign, refers to a mesenteric +/- para-aortic nodal mass giving an appearance of a hamburger. Confluent lymphadenopathy on both sides of the mesenteric vessels gives rise to an appearance described as the sandwich sign.
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