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Pediatric malignant pheochromocytoma

S H Ein1, S Weitzman, P Thorner

  • 1Division of General Surgery, Hospital for Sick Children, Toronto, Ontario, Canada.

Journal of Pediatric Surgery
|September 1, 1994
PubMed
Summary
This summary is machine-generated.

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Pediatric malignant pheochromocytomas are rare. Surgical excision is the primary treatment, with chemotherapy and radiotherapy used for metastatic or unresectable disease in children.

Area of Science:

  • Pediatric Oncology
  • Surgical Oncology
  • Endocrinology

Background:

  • Malignant pheochromocytomas in children are exceptionally rare, posing diagnostic and therapeutic challenges due to limited institutional experience.
  • This report details two pediatric cases of malignant pheochromocytoma managed over a nine-year period across two institutions.

Observation:

  • Case 1: A 14-year-old presented with extradural metastasis, lung, and bone metastases from a right adrenal primary. Spinal decompression provided long-term remission.
  • Case 2: A 13-year-old had a large, invasive right adrenal malignant pheochromocytoma with liver metastasis. Despite chemotherapy, resection was complex, followed by persistent metastases requiring further treatment.

Findings:

  • Surgical excision is identified as the principal treatment modality for pediatric malignant pheochromocytoma.

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  • Intensive chemotherapy, analogous to neuroblastoma protocols, can render unresectable tumors operable.
  • Adjuvant chemotherapy is crucial for managing residual disease post-surgery and treating metastatic spread.

    • Implications:

    • Early surgical intervention is critical for favorable outcomes in pediatric malignant pheochromocytoma.
    • Multimodal therapy, including chemotherapy and radiotherapy, is essential for advanced or metastatic disease.
    • Further research into optimal chemotherapeutic regimens is warranted for this rare pediatric malignancy.