This case highlights the aggressive nature of primary cardiac sarcoma and the necessity of multimodal, repeat surgical intervention for CNS involvement in a pediatric patient presenting with intracranial metastasis and embolic infarction.
Key Findings
Background
An 18-year-old male with primary cardiac sarcoma presented with concurrent intracranial metastases and embolic infarction, representing a rare and complex clinical scenario.
Patient had no prior significant medical history
Initial symptoms included a 1-month history of progressive, intermittent headaches, nausea, and diplopia
Head CT revealed a solid right frontal lesion and a large, complex cystic parieto-occipital lesion exerting significant mass effect
A left atrial cardiac mass was identified on surveillance imaging one month after initial craniotomy
Results
The patient required multiple surgical interventions across both the cardiac and intracranial compartments due to rapid tumor recurrence.
Initial left parietal craniotomy resulted in resolution of neurological symptoms
Surveillance imaging 1 month later identified new intracranial embolic infarcts and a 6-cm recurrence at the primary resection site
A sternotomy was subsequently performed for resection of the primary cardiac sarcoma with reconstruction of the left atrium
A second craniotomy was required shortly after due to rapid cystic recurrence causing midline shift and new focal neurological deficits
Gross-total re-resection was achieved at the second craniotomy
Results
Multimodal treatment including repeat surgery, hypofractionated Gamma Knife radiosurgery, and chemotherapy resulted in a positive short-term response.
Following gross-total re-resection, the patient underwent hypofractionated Gamma Knife radiosurgery
The patient also received chemotherapy as part of his treatment regimen
Six-week follow-up imaging confirmed no new metastatic growth
Existing lesions showed a reduction in size at six-week follow-up
Discussion
Primary cardiac sarcoma demonstrated aggressive biological behavior with rapid intracranial recurrence and embolic complications.
A 6-cm recurrence at the primary resection site was identified within 1 month of initial surgery
New intracranial embolic infarcts were identified on the same surveillance imaging that showed recurrence
Rapid cystic recurrence of brain metastasis caused midline shift and new focal neurological deficits, necessitating urgent re-operation
The case underscores 'the aggressive nature of primary cardiac sarcoma and the necessity of multimodal, repeat surgical intervention for CNS involvement'
What This Means
This research describes an unusual and serious case of a rare cancer called primary cardiac sarcoma — a malignant tumor originating in the heart — in an 18-year-old male. The cancer had spread to the brain (metastasized) and also caused strokes by sending tumor fragments into the bloodstream that blocked blood vessels in the brain. This combination of events in such a young patient with no prior health problems is exceptionally uncommon and highlights how unpredictably aggressive this type of cancer can be.
The patient required multiple major surgeries: two brain operations and one open-heart surgery, in addition to targeted radiation therapy (Gamma Knife radiosurgery) and chemotherapy. The cancer grew back in the brain within just one month of the first surgery, requiring an urgent second operation. Despite these challenges, six-week follow-up imaging showed the remaining tumor lesions were shrinking and no new spread was detected, suggesting the combined treatment approach was working in the short term.
This research suggests that primary cardiac sarcomas with brain involvement require an aggressive, coordinated, multi-treatment approach — including repeated surgeries when necessary — to manage both the heart tumor and its neurological complications. The case also illustrates that even in young, previously healthy patients, this cancer can progress very rapidly, emphasizing the importance of close monitoring and prompt intervention when recurrence or new complications are detected.
Stoltzfus M, Hong J, Harbaugh T, Sherman J, Pham K, McDowell M. (2026). A rare case of primary cardiac sarcoma with both intracranial metastasis and embolic infarction in a pediatric patient.. Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery. https://doi.org/10.1007/s00381-026-07434-2