CT Abdomen of “Polysplenia syndrome”

Radiology Imaging Polysplenia syndrome in a 44-year-old man with abdominal pain.
image_thumb(a) CT of the upper abdomen demonstrates a left-sided liver with absence of the hepatic segment of the IVC, a dilated hemiazygos vein (arrow) adjacent to the descending aorta, a right-sided heart (C), and two splenules on the right, lateral to a right-sided stomach (S).
(b) CT 4 cm lower shows a deep fissure divides the relatively normal-sized spleen.

Radiology imaging Polysplenia syndrome in a 70-year-old woman.
(a) CT of the upper abdomen shows three rounded splenules in image_thumb1the left upper quadrant (thick arrow) and dilated azygos and hemiazygos veins in the retrocrural area (thin arrows).
(b) Coronal T1-weighted MR image demonstrates the anomalous course of the interrupted IVC with its azygos continuation (arrows).


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