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Related Concept Videos

Anatomy of the Adrenal Glands01:17

Anatomy of the Adrenal Glands

The adrenal or supra-renal glands, situated above the kidneys and aligned with the twelfth rib, are paired pyramid-shaped structures crucial for the body's stress response. During stress, these glands secrete hormones vital for adaptive physiological reactions.
These glands possess a distinctive yellow tinge due to the stored cholesterol and fatty acids required for hormone synthesis. They are encased in a fibrous capsule and cushioned by fat.
The adrenal gland comprises two distinct regions...
Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
Ultrasonography01:17

Ultrasonography

Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called a...
Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...

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Related Experiment Video

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Multi-modal Imaging of Angiogenesis in a Nude Rat Model of Breast Cancer Bone Metastasis Using Magnetic Resonance Imaging, Volumetric Computed Tomography and Ultrasound
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Adrenal masses: contemporary imaging characterization.

Ashkan A Malayeri1, Atif Zaheer, Elliot K Fishman

  • 1Department of Radiology and Radiological Sciences, Johns Hopkins Medical Institution, Baltimore, MD 21287, USA. amalayeri@jhmi.edu

Journal of Computer Assisted Tomography
|July 19, 2013
PubMed
Summary
This summary is machine-generated.

Adrenal masses are common incidental findings. This review covers computed tomography and magnetic resonance imaging for diagnosing adrenal lesions, aiding in differentiating benign from malignant conditions.

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Area of Science:

  • Radiology
  • Endocrinology
  • Oncology

Background:

  • Adrenal masses are frequently discovered incidentally via imaging, occurring in about 5% of cases.
  • These lesions may also be identified during endocrinology evaluations for suspected functional adrenal tumors.
  • Accurate differentiation between benign and malignant adrenal masses is essential for appropriate patient management.

Purpose of the Study:

  • To review diagnostic imaging approaches for adrenal masses.
  • To compare the utility of computed tomography (CT) and magnetic resonance imaging (MRI) in evaluating adrenal pathologies.
  • To present institutional imaging strategies for adrenal mass assessment.

Main Methods:

  • Review of current literature on adrenal mass imaging.
  • Discussion of computed tomography (CT) protocols, including contrast-enhanced and washout techniques.
  • Explanation of magnetic resonance imaging (MRI) applications in adrenal mass characterization.

Main Results:

  • Computed tomography (CT) without and with contrast washout is a widely used modality for adrenal mass evaluation.
  • Both CT and MRI offer high sensitivity and specificity for diagnosing adrenal masses, with variations in institutional protocols.
  • Imaging characteristics play a key role in differentiating various types of adrenal masses.

Conclusions:

  • Computed tomography (CT) and magnetic resonance imaging (MRI) are vital tools for evaluating adrenal masses.
  • Understanding the imaging appearance of adrenal lesions facilitates diagnosis and guides management decisions.
  • Standardized imaging protocols and postprocessing methods enhance diagnostic accuracy for adrenal pathologies.