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Adrenal functional imaging - which marker for which indication?

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This summary is machine-generated.

Molecular imaging biomarkers like positron emission tomography and single photon emission computed tomography radiotracers are advancing adrenal gland disease diagnosis and treatment. These functional imaging tools offer a roadmap for selecting the optimal biomarker for each patient.

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Area of Science:

  • Nuclear medicine
  • Molecular imaging
  • Radiopharmaceutical science

Background:

  • Molecular imaging biomarkers are increasingly used for adrenal functional assessment.
  • Radiotracers targeting glucose transporters, CYP11B enzymes, CXCR4, norepinephrine transporters, and somatostatin receptors are available.
  • The field is transitioning towards patient-centered adrenal theranostics.

Purpose of the Study:

  • To provide an overview of key radiopharmaceuticals for adrenal functional imaging.
  • To determine the most relevant clinical applications of these biomarkers.
  • To offer a roadmap for selecting the appropriate image biomarker for specific patient needs.

Main Methods:

  • Review of current literature on molecular imaging biomarkers for adrenal glands.
  • Analysis of radiotracers used for adrenal incidentalomas, adrenocortical carcinoma, pheochromocytomas, paragangliomas, and primary aldosteronism.
  • Discussion of the evolving theranostics approach in adrenal imaging.

Main Results:

  • Numerous radiotracers are available for diagnosing various adrenal conditions, including [18F]FDG, [123I]IMTO/IMAZA, [68Ga]PentixaFor, and [123I]mIBG.
  • These biomarkers can enhance diagnostic accuracy for adrenal gland diseases.
  • Some radiotracers are being developed for therapeutic applications (theranostics).

Conclusions:

  • Functional image biomarkers significantly improve the diagnostic accuracy of adrenal gland diseases.
  • These biomarkers hold potential for achieving antitumor effects in patients with adrenal cancers and tumors.
  • The development of theranostic approaches promises personalized treatment strategies for adrenal conditions.