Splenic artery atheromatous occlusion with collaterals

Case contributed by Dr Bruno Di Muzio

Presentation

Smoker, dyslipidemia and peripheral arterial disease. Complains of lower limbs pain while walking and cooling of the lower extremities.

Patient Data

Age: 59
Gender: Male

CT Angiogram (selected images)

CT

Diffuse atheromatous disease with thrombosis of the proximal splenic artery with collateral circulation (coming from ascending branch of left colic artery / inferior mesenteric artery and short gastric arteries / left gastric artery) supplying its distal branches. 

The filling of the distal splenic artery is done by collateral circulation coming from ascending branch of left colic artery / inferior mesenteric artery and short gastric arteries / left gastric artery.

Case Discussion

Splenic artery occlusion normally presents with symptoms of splenic infarction. But in the gradual obstruction of arterial disease, a slow adaptation enables the collateral arterial branches to overcome the flow.

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