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Bilateral inferior petrosal sinus sampling.

Amy R Deipolyi1, Joshua A Hirsch, Rahmi Oklu

  • 1Department of Imaging, Division of Vascular Imaging and Interventions, Massachusetts General Hospital, Boston, Massachusetts 02214, USA.

Journal of Neurointerventional Surgery
|October 13, 2011
PubMed
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Bilateral inferior petrosal sinus sampling is a safe and accurate diagnostic method for Cushing disease. Experienced interventionists ensure reliable results by considering key anatomical and technical factors.

Area of Science:

  • Endocrinology
  • Interventional Radiology

Background:

  • Cushing disease diagnosis relies on accurately measuring adrenocorticotropic hormone (ACTH).
  • Accurate ACTH measurement is crucial for differentiating pituitary-dependent Cushing disease.

Purpose of the Study:

  • To review the anatomical and technical considerations for bilateral inferior petrosal sinus sampling.
  • To emphasize the safety and accuracy of this procedure when performed by experienced professionals.

Main Methods:

  • Review of anatomical landmarks relevant to inferior petrosal sinus catheterization.
  • Discussion of technical aspects of catheter placement and blood sampling.
  • Emphasis on experienced interventionalists' role.

Main Results:

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  • Bilateral inferior petrosal sinus sampling is highly accurate in diagnosing pituitary ACTH secretion.
  • The procedure is safe when conducted by experienced interventionalists.
  • Understanding anatomical and technical factors is essential for reliable practice.

Conclusions:

  • Bilateral inferior petrosal sinus sampling is the gold standard for diagnosing Cushing disease.
  • Expertise in interventional techniques enhances procedural safety and diagnostic accuracy.
  • This review provides essential guidance for reliable performance of the assay.