16 Interruption of the Intra-Hepatic Inferior Vena Cava with Azygos Continuation

CASE 16


image Clinical Presentation


50-year-old man evaluated for chest and abdominal pain


image Radiologic Findings


Coned-down PA chest radiograph (Fig. 16.1) demonstrates enlargement of the azygos arch, a right eparterial bronchus, and a left hyparterial bronchus. Axial (Figs. 16.2, 16.3) and coronal (Fig. 16.4) contrast-enhanced chest CT (mediastinal and lung windows) show enlargement of the azygos arch (a) and azygos vein (arrowhead). Note right eparterial and left hyparterial bronchi consistent with situs solitus (Fig. 16.4).


image Diagnosis


Interruption of the Inferior Vena Cava with Azygos Continuation


image Differential Diagnosis


• Lymphadenopathy


• Situs Ambiguous



image


Fig. 16.1




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Fig. 16.2



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Fig. 16.3



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Fig. 16.4


image Discussion


Background

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Jan 14, 2016 | Posted by in RESPIRATORY IMAGING | Comments Off on 16 Interruption of the Intra-Hepatic Inferior Vena Cava with Azygos Continuation

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