case_images: PMC4835740_01
case_images: A 24-year-old man with dyspnea and persistent cough. Postero-anterior (PA) chest radiography revealed a well-marginated homogeneous opacity in the middle right border of the heart margin.
case_images: iranjradiol-13-01-21921-g001.jpg
case_images: PMC4835740_01_iranjradiol-13-01-21921-g001.jpg
case_images: fig22555
case_images: Chest X-ray showed a large opacity obscuring the right heart border (Figure 1).
case_images: Axial view of patient's contrast-enhanced chest computed tomography. Mediastinal windows of thorax CT scan revealed a homogeneous cyst.
case_images: iranjradiol-13-01-21921-g002.jpg
case_images: PMC4835740_01_iranjradiol-13-01-21921-g002.jpg
case_images: fig22556
case_images: CT revealed no pleural effusions, and a large fluid collection at the right pericardial border (Figure 2).
case_images: A thin-walled pericardial mass is seen in intra-operative photography.
case_images: iranjradiol-13-01-21921-g003.jpg
case_images: PMC4835740_01_iranjradiol-13-01-21921-g003.jpg
case_images: fig22557
case_images: On the right side and outside the pericardium, a huge pericardial cyst measuring approximately 13 x 8 x 5 cm in diameter was found and totally excised (Figures 3 and 4).
case_images: A completely excised huge pericardial cyst placed on the surgical sponge. Image shows an enucleated serum filled cyst.
case_images: iranjradiol-13-01-21921-g004.jpg
case_images: PMC4835740_01_iranjradiol-13-01-21921-g004.jpg
case_images: fig22558
case_images: On the right side and outside the pericardium, a huge pericardial cyst measuring approximately 13 x 8 x 5 cm in diameter was found and totally excised (Figures 3 and 4).