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Interrupted aortic arch (IAA) is a rare congenital cardiovascular condition. A patient with uncorrected IAA accompanied by rich collateral arteries can survive to adulthood asymptomatically. However, IAA complicated by aortic dissection is life threatening. Herein, we report a rare case of an isolated IAA accompanied by type B aortic dissection and extensive collateral arteries detected by multidetector computed tomography in a 38-year-old man. The imaging findings of the case are presented, and the utility of multidetector computed tomography in the evaluation of this condition is discussed., (Copyright © 2012 Elsevier Inc. All rights reserved.)

Primary angiosarcoma of the spleen is rare, usually widespread or has a splenic rupture by the time of presentation, and almost always has poor prognosis; early radiological diagnosis is necessary for improving the survival rate. We report two special cases of this disease. Both patients did not have pathologic metastasis or splenic rupture, but their computed tomography (CT) manifestations were distinct from each other and had uncommon characteristics. We compared the CT features with pathological findings., (Copyright © 2012 Elsevier Inc. All rights reserved.)

Paragonimiasis is a parasitic infection caused by the genus Paragonimus and usually leads to pulmonary disease. Hepatic paragonimiasis is rare, but duodenal and splenic involvement of this disease has not yet been reported in the literature. Herein, we report two rare cases of hepatic paragonimiasis with simultaneous duodenal or splenic involvement, respectively, and described their CT features. Both patients were lifelong residents of an endemic area of paragonimiasis and were confirmed clinicopathologically., (Copyright © 2012 Elsevier Inc. All rights reserved.)