Imaging and Surgical Treatment of Primary Pulmonary Artery Sarcoma
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Primary pulmonary artery sarcoma is a rare tumor originating from the pulmonary artery tree. Given the low incidence, few centers have reported on more than a handful of cases. Because of its rarity it is also commonly misdiagnosed as pulmonary embolism. Multi-modality diagnostic imaging and recognition of specific imaging characteristics along with a high index of suspicion is required to make the correct diagnosis and expedite treatment. The primary imaging modality for most cardiac tumors such as primary pulmonary artery sarcoma is now MRI. It provides superb spatial resolution as well as functional assessment of the heart and pulmonary circulation. CT imaging also is part of routing imaging and remains as the most pertinent imaging modality to evaluate the lung parenchyma and presence of metastatic disease. Here we review the pertinent imaging modalities and tissue characteristics that facilitate recognition of primary pulmonary artery sarcoma. We also provide a short overview of surgical resection and reconstruction, which is the mainstay therapy, for this rare tumor.
Keywordsprimary pulmonary artery sarcoma Cardiac tumor Surgical treatment Imaging Cardiac MRI
Dr. Wyler von Ballmoos received funding from the Thoracic Surgery Research Foundation by means of the Davidson Fellowship Award.
Compliance with ethical standards
Conflict of interest
The authors declare that they have no conflict of interest.
All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
Informed consent was obtained from all individual participants included in the study.