The radiologic features of chronic pulmonary thrombus on CT may mimic those of pulmonary angiosarcoma.
Chronic pulmonary thrombus may mimic angiosarcoma on CT; case reports leave open refined noninvasive criteria to avoid unnecessary surgery.
We present the case of a 41-year-old woman who presented with chest pain. CT for possible pulmonary embolism showed a mass filling the left main pulmonary artery, with imaging features suggestive of pulmonary angiosarcoma. Open thoracotomy for excision of the mass revelaed no mass, only evidence of a chronic pulmonary thrombus of the left pulmonary artery. We conclude that the radiologic features of chronic pulmonary thrombus may mimick those of pulmonary angiosarcoma.
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Lozada et al. (2008) studied this question.
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