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Pheochromocytomas and paragangliomas.

Kevin Yen1, Maya Lodish

  • 1Division of Pediatric Endocrinology, Department of Pediatrics, University of California, San Francisco, San Francisco, California, USA.

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Summary

Genetic studies are crucial for diagnosing pediatric pheochromocytoma and paragangliomas (PPGLs). Advanced imaging and peptide receptor radionuclide therapies (PRRTs) are improving the management of these rare tumors.

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Area of Science:

  • Endocrinology
  • Oncology
  • Genetics

Background:

  • Pheochromocytoma and paragangliomas (PPGLs) are rare neuroendocrine tumors.
  • Understanding the genetic basis of PPGLs is essential for diagnosis and management.

Purpose of the Study:

  • To review recent advancements in the diagnosis and management of pediatric PPGLs.
  • To highlight new standards in genetic testing, imaging, and therapy for pediatric PPGLs.

Main Methods:

  • Review of current literature on pediatric PPGLs.
  • Focus on genetic mutations, advanced imaging techniques, and therapeutic options.

Main Results:

  • Germline mutations are prevalent in pediatric PPGLs, necessitating genetic evaluation.
  • Somatostatin receptor-based imaging (68Ga-DOTATATE, 64Cu-DOTATATE) demonstrates high sensitivity for pediatric PPGLs.
  • Peptide receptor radionuclide therapies (PRRTs), such as 177Lu-DOTATATE, show efficacy in treating PPGLs.

Conclusions:

  • Genetics significantly influences pediatric PPGLs.
  • 68Ga-DOTATATE and 64Cu-DOTATATE are preferred imaging agents due to advances in somatostatin receptor technology.
  • While surgery is primary, PRRT is an emerging therapeutic strategy for PPGLs.