Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Adrenal imaging.

J L Doppman

    Radiologia Diagnostica
    |January 1, 1989
    PubMed
    Summary
    This summary is machine-generated.

    Magnetic resonance imaging (MRI) helps differentiate adrenal masses. However, some non-functioning adenomas and metastases present similar signal intensities, posing diagnostic challenges.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    A miniature toposcopic catheter suitable for small diameter tortuous blood vessels.

    Journal of biomechanical engineering·2009
    Same author

    A "pheo" lurks: novel approaches for locating occult pheochromocytoma.

    The Journal of clinical endocrinology and metabolism·2001
    Same author

    Prognostic value of initial fasting serum gastrin levels in patients with Zollinger-Ellison syndrome.

    Journal of clinical oncology : official journal of the American Society of Clinical Oncology·2001
    Same author

    Daily catheter-directed single dosing of t-PA in treatment of acute deep venous thrombosis of the lower extremity.

    Journal of vascular and interventional radiology : JVIR·2001
    Same author

    Zollinger-Ellison syndrome. Clinical presentation in 261 patients.

    Medicine·2001
    Same author

    Predictive value of preoperative tests in discriminating bilateral adrenal hyperplasia from an aldosterone-producing adrenal adenoma.

    The Journal of clinical endocrinology and metabolism·2001
    Same journal

    [The image quality of extraoral x-ray pictures].

    Radiologia diagnostica·1990
    Same journal

    [Kniest's dysplasia].

    Radiologia diagnostica·1990
    Same journal

    [Computed tomographic analysis of bone minerals].

    Radiologia diagnostica·1990
    Same journal

    [The results and tolerability of infusion cholegraphy using ioglycamide-85 (12.75 g meglumine salt in 75 ml) in comparison with the use of a hypotonic adipiodone solution (10 g meglumine salt in 100 ml)].

    Radiologia diagnostica·1990
    Same journal

    [Intravenous cholangiocholecystography using ioglycamide--indications and value].

    Radiologia diagnostica·1990
    Same journal

    [An automated evaluation of the functional status of the lungs in patients with central bronchial carcinoma].

    Radiologia diagnostica·1990
    See all related articles

    Area of Science:

    • Radiology
    • Medical Imaging
    • Oncology

    Background:

    • Computed tomography (CT) offers detailed adrenal gland anatomy but lacks specificity for adrenal masses.
    • Differentiating adrenal masses is crucial for appropriate patient management and treatment planning.

    Purpose of the Study:

    • To evaluate the utility of MRI in characterizing adrenal masses based on the adrenal mass-to-liver ratio.
    • To identify the limitations of MRI in distinguishing specific types of adrenal lesions.

    Main Methods:

    • Utilized MRI to assess adrenal masses, calculating the adrenal mass-to-liver signal intensity ratio.
    • Correlated MRI findings with histopathological diagnoses where available.

    Main Results:

    Related Experiment Videos

  • MRI reliably distinguishes non-functioning and hyperfunctioning adenomas (ratio < 1.2) and pheochromocytomas (ratio > 2.5).
  • Metastases and adrenocortical carcinomas fall into an intermediate ratio range (1.4-2.5).
  • A challenging intermediate range (1.2-1.4) exists where non-functioning adenomas and metastases show similar signal intensities, hindering differentiation.

    • Conclusions:

    • MRI is valuable for characterizing many adrenal masses but has limitations in differentiating certain lesions.
    • The adrenal mass-to-liver ratio is a useful parameter, but overlapping features exist in specific ratio ranges.
    • Further investigation may be needed for adrenal masses within the 1.2-1.4 ratio range to improve diagnostic accuracy.