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Related Concept Videos

Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

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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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Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

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IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
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Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

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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...
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Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

Imaging Studies II: Positron Emission Tomography and Scintigraphy

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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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Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

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Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
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Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

Imaging Studies V: Intravenous Urography and Retrograde Pyelography

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IntroductionIntravenous Urography (IVU) and Retrograde Pyelography (RP) are important diagnostic imaging techniques used to evaluate the urinary system. These methods help identify structural abnormalities, obstructions, and functional issues in the kidneys, ureters, and bladder. Both procedures use iodine-based contrast media to enhance the visibility of urinary tract structures on X-ray images, though they differ in their methods and indications.1. Intravenous Urography (IVU)Intravenous...
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Updated: Feb 27, 2026

Stereotactic Radiosurgery for Gynecologic Cancer
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MR Imaging in Gynecologic Brachytherapy.

Jessica B Robbins1, Elizabeth A Sadowski2, Shruti Jolly3

  • 1Department of Radiology, University of Wisconsin School of Medicine and Public Health, E3/311 Clinical Science Center, 600 Highland Avenue, Madison, WI 53792-3525, USA.

Magnetic Resonance Imaging Clinics of North America
|July 3, 2017
PubMed
Summary
This summary is machine-generated.

Image-guided adaptive brachytherapy using MRI is increasingly used for gynecologic cancers in the US. This method enhances cancer control, survival rates, and reduces harm to nearby organs.

Keywords:
BrachytherapyCervical cancerRadiation therapy

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Area of Science:

  • Oncology
  • Radiology
  • Medical Physics

Background:

  • Gynecologic malignancies pose significant treatment challenges.
  • Brachytherapy is a crucial component of gynecologic cancer management.
  • Image-guided techniques enhance treatment precision.

Purpose of the Study:

  • To introduce radiologists to Magnetic Resonance (MR)-based image-guided adaptive brachytherapy (IGAB).
  • To review the history, MR imaging techniques, and treatment considerations of IGAB.
  • To provide guidance on image interpretation for IGAB in gynecologic cancers.

Main Methods:

  • Detailed description of MR imaging protocols for IGAB.
  • Explanation of adaptive planning process based on MR imaging.
  • Review of treatment planning and delivery considerations.

Main Results:

  • MR-based IGAB demonstrates improved local control in gynecologic malignancies.
  • This technique is associated with increased overall survival.
  • Minimization of toxicity to organs at risk is a key benefit.

Conclusions:

  • MR-based IGAB is a valuable and evolving technique for gynecologic cancers.
  • Familiarity with MR imaging techniques and interpretation is essential for radiologists.
  • This approach offers a promising strategy for improving patient outcomes.