PMC4349105_01
A 48-year-old woman with a one-month history of cough. A-C, CT with contrast shows hypodense masses located in the left main, segmentary branches of the superior lobe and descending pulmonary artery; D, parenchymatous condensation in the superior segment of the lower lobe is seen.
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Filling defects were observed inside the left main pulmonary artery, upper segmental branch of the lingular artery, and segmental and subsegmental branches of the lower lobe artery on her thoracic CT angiogram (Figure 1 A-D).
An anechoic cystic lesion is seen inside the left pulmonary artery by EBUS. The cyst in the pulmonary artery is marked with * sign and the pulmonary artery is marked with # sign.
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An anechoic cystic area was visualized inside the left pulmonary artery (Figure 2).
T1 Weighted mri with contrast in coronal; A, B, sagittal; C, and axial D, slices. The main and descending pulmonary arteries not being filled with contrast and hyperintense lesions suggest pulmonary artery hydatid cyst.
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Thoracic magnetic resonance angiography was performed to investigate the cyst in more detail and it revealed cystic formations in the left pulmonary artery (Figure 3 A-D).
A, B, On control CT scan after one year of therapy, decrease of 7.9 mm in diameter of the cyst in the left pulmonary artery is seen
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