Palpitations Revealing a Primary Pulmonary Artery Sarcoma.

Area of Science:

• Cardiology
• Oncology
• Medical Imaging

Background:

• Primary pulmonary artery sarcoma is a rare and aggressive malignancy with a poor prognosis.
• Nonspecific symptoms like chest pain and dyspnea often delay diagnosis, worsening outcomes.
• Frequent premature ventricular contractions (PVCs) can be an unusual presenting symptom.

Observation:

• A case of primary pulmonary artery sarcoma presenting with frequent monomorphic PVCs originating from the ventricle outflow tract is described.
• The tumor's compression of the pulmonary artery was identified as the cause of the cardiac arrhythmia.

Findings:

• Cardiac imaging, such as echocardiography or MRI, is crucial for diagnosing rare cardiac pathologies.
• Early detection of pulmonary artery sarcoma through cardiac evaluation can improve patient prognosis.

Implications:

• This case underscores the importance of considering rare tumors in the differential diagnosis of unexplained cardiac arrhythmias.
• Integrating advanced cardiac imaging into the diagnostic workup for PVCs can lead to earlier identification of life-threatening conditions like pulmonary artery sarcoma.