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Related Concept Videos

Brain Imaging01:14

Brain Imaging

Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic Stimulation (TMS).
Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

Imaging Studies II: Positron Emission Tomography and Scintigraphy

Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
Fundamental Principles of PET

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Making MR Imaging Child's Play - Pediatric Neuroimaging Protocol, Guidelines and Procedure
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Neuroimaging for the pediatric endocrinologist.

Bradley N Delman1, Girish M Fatterpekar, Meng Law

  • 1Department of Radiology, Mount Sinai Medical Center, One Gustave L. Levy Place, Box 1234, New York, NY 10029, USA. bradley.delman@mountsinai.org

Pediatric Endocrinology Reviews : PER
|May 28, 2008
PubMed
Summary

This review details pituitary gland imaging, covering normal anatomy, variations, and pathologies like microadenomas and macroadenomas. It highlights imaging findings for pituitary dysfunction and related sellar and suprasellar masses.

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Area of Science:

  • Radiology
  • Neuroimaging
  • Endocrinology

Background:

  • Sellar and pituitary imaging is crucial for diagnosing pituitary dysfunction.
  • Normal pituitary gland anatomy exhibits significant size and configuration variability.
  • Imaging patterns aid in identifying abnormalities within and around the pituitary gland.

Purpose of the Study:

  • To review normal pituitary anatomy and imaging characteristics.
  • To discuss imaging findings of pituitary microadenomas and macroadenomas.
  • To cover imaging of cystic lesions, suprasellar tumors, and inflammatory conditions affecting the pituitary.

Main Methods:

  • Review of normal sellar and pituitary anatomy.
  • Discussion of imaging patterns for various pituitary pathologies.
  • Correlation of imaging findings with clinical presentation and hormonal activity.

Main Results:

  • Absence of the posterior bright-spot may indicate stalk transport disruption.
  • Magnetic resonance imaging effectively visualizes microadenomas as areas of reduced enhancement.
  • Macroadenomas present with mass effect, and various cystic and solid tumors can occur in the sellar and suprasellar regions.

Conclusions:

  • Comprehensive sellar imaging is essential for evaluating pituitary dysfunction.
  • Imaging findings must be interpreted considering normal anatomical variations.
  • Attention to midline structures is vital due to associations with pituitary endocrinopathies.