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Variant anatomy with aortic origin of the splenic and left gastric arteries.
The splenic artery is dissected from the ostium in its entire length with associated intramural haematoma. There is a 7mm false aneurysm in the proximal splenic artery and a further 4mm false aneurysm in the mid segment. Extensive acute splenic infarction as demonstrated on the portal venous phase study.