Radiology Imaging Polysplenia syndrome in a 44-year-old man with abdominal pain.
(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 the 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).