Related Experiment Video
Updated: Jun 6, 2026

Microdissection and Immunofluorescence Staining of Myocardial Sleeves in Murine Pulmonary Veins
Published on: November 21, 2023
[Pulmonary vein leiomyosarcoma extending into the left atrium].
M Garraud1, J Margery, F Laborde
1Service de cardiologie et de médecine aéronautique, hôpital d'instruction des armées Percy, Clamart, France. marie.garraud@gmail.com
A rare heart tumor, pulmonary vein leiomyosarcoma, caused respiratory distress in a young man. Despite multiple surgeries and chemotherapies, the disease recurred and metastasized, leading to the patient's death.
Area of Science:
- Cardiovascular Surgery
- Thoracic Oncology
- Medical Imaging
Background:
- Pulmonary vein leiomyosarcoma is an extremely rare cardiac tumor.
- Early diagnosis and intervention are crucial for managing rare heart tumors.
Observation:
- A 28-year-old man presented with subacute respiratory distress due to a heart tumor.
- Imaging revealed mitral valve obstruction and pulmonary edema, suggesting a cardiac mass.
- Emergency surgery identified leiomyosarcoma originating from the pulmonary vein.
Findings:
- The patient experienced a local relapse after initial surgery and chemotherapy (ifosfamide-adriamycin).
- A second-line chemotherapy (gemcitabine-paclitaxel) also failed to control the disease.
- Metastases developed in the scalp, spine, and adrenal glands, leading to death within two years.
Implications:
- This case highlights the aggressive nature and poor prognosis of pulmonary vein leiomyosarcoma.
- It underscores the challenges in treating recurrent and metastatic cardiac tumors.
- Multidisciplinary approaches and novel therapeutic strategies are needed for such rare malignancies.
Related Concept Videos
Mitral Stenosis I: Introduction
Cardiomyopathy III: Hypertrophic Cardiomyopathy
Pulmonary Edema II: Pathophysiology
Mitral Stenosis II: Clinical features and Diagnostic Tests
Cardiomyopathy II: Dilated Cardiomyopathy
Cardiac Catheterization II: Right Heart Catheterization

