A primary pulmonary artery sarcoma masquerading pulmonary embolism: a case report and literature review
Zhiyue Liu,
Lili Fan,
Shichu Liang
et al.
Abstract:Background
Primary pulmonary artery sarcoma (PAS) is an extremely rare malignant tumor with a poor prognosis. The clinical manifestations of PAS are diverse, including dyspnea, chest pain, cough, and hemoptysis. The poor prognosis is often due to delayed diagnosis caused by similarity in imaging findings with pulmonary thromboembolism (PTE). These cues of diagnosis include the “wall eclipsing sign”, lobulated bulging margins, gadolinium enhancement during MRI imaging, and FDG uptake during PET/… Show more
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