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Stage IV malignant intrapericardial germ cell tumor: a case report
L E Bath1, M Walayat, P Mankad
1Department of Oncology, Royal Hospital for Sick Children, Edinburgh, Great Britain.
Pediatric Hematology and Oncology
|September 1, 1997
Summary
Mediastinal germ cell tumors are common, but an intrapericardial yolk sac tumor is rare. This case highlights diagnosis and successful chemotherapy in an infant with a mediastinal yolk sac tumor and bone metastasis.
Area of Science:
- Pediatric Oncology
- Cardiovascular Pathology
- Medical Imaging
Background:
- Germ cell tumors (GCTs) frequently occur in the mediastinum.
- Yolk sac tumors (YSTs) are a type of germ cell tumor, often associated with elevated alpha-fetoprotein.
- Intrapericardial GCTs are exceptionally rare, particularly in infants.
Observation:
- An 18-month-old girl presented with respiratory distress and cardiomegaly.
- Echocardiography identified a large pericardial effusion and a cardiac-adjacent mass.
- Open exploration revealed a malignant yolk sac tumor entirely within the pericardium.
Findings:
- Staging confirmed a bony metastasis.
- Elevated serum alpha-fetoprotein levels supported the diagnosis.
- The patient received chemotherapy and achieved remission 1 year post-treatment.
Implications:
- This case underscores the importance of considering rare GCTs in pediatric patients with cardiorespiratory symptoms.
- Early diagnosis and prompt treatment, including chemotherapy, are crucial for favorable outcomes.
- Reviewing diagnostic and follow-up strategies for pediatric mediastinal GCTs is essential.