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Updated: May 24, 2026
06:29
Cardiac Magnetic Resonance for the Evaluation of Suspected Cardiac Thrombus: Conventional and Emerging Techniques
Published on: June 11, 2019
Rare pulmonary primitive neuroectodermal tumor metastasizing to the right atrium: a case report
Liwei Mao1, Hongmei Wang, Guoqing Xie
1Department of Oncology, 309th Hospital of PLA, Beijing, 100091, China.
Medical Oncology (Northwood, London, England)
|March 7, 2012
Summary
This case study details a rare instance of pulmonary primitive neuroectodermal tumor (PNET) metastasis to the heart. The findings highlight the importance of considering cardiac involvement in PNET patients with new symptoms.
Area of Science:
- Oncology
- Cardiology
- Pathology
Background:
- Primitive neuroectodermal tumor (PNET) is a rare malignant neoplasm.
- Pulmonary PNET is exceptionally uncommon, posing diagnostic challenges.
- Cardiac metastasis from PNET is exceedingly rare.
Observation:
- A 28-year-old male presented with a persistent dry cough and occasional hemoptysis.
- Imaging revealed multiple lung masses with increased FDG uptake, confirmed as pulmonary PNET.
- Following chemotherapy, the patient developed exertional dyspnea, with imaging detecting a right atrial mass.
Findings:
- Histopathological and immunophenotypic analysis confirmed the right atrial mass as metastatic pulmonary PNET.
- The metastasis occurred as a distinct space-occupying lesion rather than direct invasion.
- This represents a rare case of PNET metastasizing to the heart.
Implications:
- This case underscores the potential for PNET to metastasize to unusual sites like the heart.
- It emphasizes the need for thorough investigation of cardiac symptoms in PNET patients.
- Understanding rare metastatic patterns is crucial for comprehensive PNET management and patient outcomes.
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