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

Normal pituitary stalk size in children: CT study.

F G Seidel, R Towbin, R A Kaufman

    AJR. American Journal of Roentgenology
    |December 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    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

    Utility of Pre-Hematopoietic Cell Transplantation Sinus CT Screening in Children and Adolescents.

    AJNR. American journal of neuroradiology·2020
    Same author

    The Complex Spine in Children with Spinal Muscular Atrophy: The Transforaminal Approach-A Transformative Technique.

    AJNR. American journal of neuroradiology·2019
    Same author

    Full Dose-Reduction Potential of Statistical Iterative Reconstruction for Head CT Protocols in a Predominantly Pediatric Population.

    AJNR. American journal of neuroradiology·2016
    Same author

    Estimating pediatric entrance skin dose from digital radiography examination using DICOM metadata: A quality assurance tool.

    Medical physics·2015
    Same author

    Characterization of adaptive statistical iterative reconstruction algorithm for dose reduction in CT: A pediatric oncology perspective.

    Medical physics·2012
    Same author

    Establishing a standard calibration methodology for MOSFET detectors in computed tomography dosimetry.

    Medical physics·2012

    This study establishes normal standards for pituitary stalk and basilar artery diameters in children using head CT scans. A pituitary stalk-to-basilar artery ratio of 1 or greater suggests potential abnormalities requiring further evaluation.

    Area of Science:

    • Pediatric Radiology
    • Neuroimaging
    • Endocrinology

    Background:

    • Accurate measurement of the pituitary stalk and basilar artery is crucial for diagnosing pediatric neuroendocrine disorders.
    • Establishing age- and gender-specific normal values for these structures is essential for interpreting imaging findings.

    Purpose of the Study:

    • To determine normal standards for pituitary stalk diameter, basilar artery diameter, and their ratio in children.
    • To identify age- and gender-related variations in these measurements.
    • To provide a visual estimation tool for identifying potential abnormalities.

    Main Methods:

    • Retrospective analysis of 1005 normal contrast-enhanced head computed tomographic (CT) scans in children.
    • Measurement of pituitary stalk and basilar artery diameters.

    Related Experiment Videos

  • Calculation of the pituitary stalk-to-basilar artery ratio.
  • Statistical analysis to determine age- and gender-specific standards.

    • Main Results:

    • The pituitary stalk diameter increases with age in children.
    • Girls exhibit larger pituitary stalks than boys after age 8.
    • A pituitary stalk-to-basilar artery ratio of 1 or greater is considered unusual in normal children.
    • Ratios >= 1 warrant direct measurement and comparison with age-matched norms.

    Conclusions:

    • Normal standards for pituitary stalk and basilar artery diameters and their ratio have been established for children.
    • A pituitary stalk-to-basilar artery ratio >= 1 is a significant indicator for potential pathology.
    • Elevated stalk measurements (>2 SD above mean) necessitate further investigation for conditions like histiocytosis X, pituitary adenoma, and infections.