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Home SCIENCE NEWS Medicine & Health

Diagnostic yield of non-contrast pituitary MRI for pediatric pathologies

April 20, 2021
in Medicine & Health
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2021 ARRS Virtual Annual Meeting Scientific Electronic Exhibit found non-contrast pituitary MRI for central precocious puberty, growth hormone deficiency, short stature has similar diagnostic yield as standard contrast-enhanced protocol

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Credit: American Roentgen Ray Society (ARRS)

Leesburg, VA, April 20, 2021–An award-winning Scientific Electronic Exhibit to be presented at the ARRS 2021 Virtual Annual Meeting found non-contrast pituitary MRI for central precocious puberty (CPP), growth hormone deficiency (GHD), and short stature (SS) has similar diagnostic yield compared to the standard contrast-enhanced protocol.

“Microadenomas, a common justification for contrast administration, may not influence management in this patient population,” wrote first author Jennifer Huang of Vanderbilt University in Nashville, TN, adding “minimal inconvenience would be added for the few patients who would need to return for contrast-enhanced MRI for definitive diagnosis.”

Huang and colleagues performed a retrospective review of pediatric pituitary MRI studies from 2010-2019 for CPP, GHD, or SS, then a blinded review of non-contrast images was performed by two subspecialty-trained pediatric neuroradiologists.

Analyzing data from the 448 MRIs obtained for CPP (35%), GHD (49%), or SS (16%), the mean age was 8.2 years (range, 9 months to 17 years). All 448 (100%) scans were performed with gadolinium contrast, while 226 (50%) required sedation. Of the 136 (30%) abnormal studies, there was 71% concordance (n = 97) with the original reports on the blinded review of non-contrast images. Of the 39 discrepancies, 79% (n = 31) were of no clinical significance (e.g., pars intermedia cyst), and 1 was of uncertain significance. The remaining 7 (18%) discrepancies were visible on non-contrast images but required contrast for definitive characterization. Ultimately, 5 were extrasellar masses, and 2 were pituitary stalk abnormalities.

“In a large majority of patients, the shorter non-contrast examination would provide savings in time, anesthesia, gadolinium, and associated costs,” the authors of this Magna Cum Laude ARRS Annual Meeting Scientific Electronic Exhibit concluded.

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Founded in 1900, the American Roentgen Ray Society (ARRS) is the first and oldest radiological society in North America, dedicated to the advancement of medicine through the profession of radiology and its allied sciences. An international forum for progress in medical imaging since the discovery of the x-ray, ARRS maintains its mission of improving health through a community committed to advancing knowledge and skills with an annual scientific meeting, monthly publication of the peer-reviewed American Journal of Roentgenology (AJR), quarterly issues of InPractice magazine, AJR Live Webinars and Podcasts, topical symposia, print and online educational materials, as well as awarding scholarships via The Roentgen Fund®.

Media Contact
Logan K. Young
[email protected]

Original Source

https://arrs.org/ARRSLIVE/Pressroom/PressReleases/Diagnostic_Yield_Non-Contrast_Pituitary_MRI_Pediatric_Pathologies.aspx

Tags: DiagnosticsEndocrinologyHealth Care Systems/ServicesHealth ProfessionalsInternal MedicineMedicine/HealthPediatricsPublic Health
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