Fig. 14
From: Looking beyond the thrombus: essentials of pulmonary artery imaging on CT
Axial CT images in a patient with prior histoplasmosis demonstrates an enlarged pulmonary trunk (36Â mm). The proximal right and left pulmonary arteries are normal in calibre but taper and are severely narrowed at the level of hila. In addition, there are calcified mediastinal lymph nodes, calcified pulmonary granulomas and interlobular interstitial thickening. These findings represent fibrosing mediastinitis