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  • Title: Radiographic findings in pulmonary hypertension from unresolved embolism.
    Author: Woodruff WW, Hoeck BE, Chitwood WR, Lyerly HK, Sabiston DC, Chen JT.
    Journal: AJR Am J Roentgenol; 1985 Apr; 144(4):681-6. PubMed ID: 3872021.
    Abstract:
    Pulmonary artery hypertension with chronic pulmonary embolism is an uncommon entity that is potentially treatable with pulmonary embolectomy. Although the classic radiographic features have been described, several recent investigators report a significant percentage of these patients with normal chest radiographs. In a series of 22 patients, no normal radiographs were seen. Findings included cardiomegaly (86.4%) with right-sided enlargement (68.4%), right descending pulmonary artery enlargement (54.5%), azygos vein enlargement (27.3%), mosaic oligemia (68.2%), chronic volume loss (27.3%), atelectasis and/or effusion (22.7%), and pleural thickening (13.6%). Good correlation with specific areas of diminished vascularity was seen on chest radiographs compared with pulmonary angiograms.
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