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Related Concept Videos

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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Imaging Studies I: Kidney, Ureter, and Bladder Studies01:28

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Kidney, Ureter, and Bladder (KUB) StudiesKidney, Ureter, and Bladder (KUB) studies are standard diagnostic imaging procedures used to assess the anatomy of the urinary system. They are commonly utilized for patients experiencing abdominal pain or urinary symptoms. By using a simple X-ray of the abdomen, KUB studies can reveal structural and pathological abnormalities within the kidneys, ureters, and bladder. These studies are particularly valuable in diagnosing kidney stones, urinary...
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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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[Radionuclide therapy and diagnostics in urology].

W P Fendler1, V Wenter, C G Stief

  • 1Klinik und Poliklinik für Nuklearmedizin, Ludwig-Maximilians-Universität München, Marchioninistr. 15, 81377, München, Deutschland, wolfgang.fendler@med.uni-muenchen.de.

Der Urologe. Ausg. A
|July 12, 2015
PubMed
Summary

Nuclear medicine offers advanced diagnostics and treatments for urological diseases. New methods like positron emission tomography (PET) with prostate-specific membrane antigen (PSMA) ligands and radium-223 dichloride show promise for cancer management.

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Area of Science:

  • Nuclear Medicine
  • Urology
  • Oncology

Background:

  • Established nuclear medicine procedures for urological disorders have seen methodological improvements.
  • Recent advancements include highly specific probes for diagnosing and treating urological conditions.

Purpose of the Study:

  • To summarize the current state of established nuclear medicine procedures in urology.
  • To report on novel diagnostic and therapeutic applications in urological disorders.

Main Methods:

  • Review of established nuclear medicine techniques (e.g., renal and skeletal scintigraphy).
  • Discussion of new diagnostic tools, including positron emission tomography (PET) with prostate-specific membrane antigen (PSMA) ligands.
  • Evaluation of therapeutic radiopharmaceuticals, such as radium-223 dichloride.

Main Results:

  • PET with PSMA ligands enables highly accurate tumor localization in recurrent prostate cancer.
  • PSMA ligands demonstrate selective accumulation in tumor tissue, yielding promising therapeutic outcomes.
  • Radium-223 dichloride is approved for treating symptomatic bone metastases in prostate cancer.

Conclusions:

  • Enhanced knowledge of indications, benefits, and limitations is crucial for integrating new nuclear medicine procedures into patient care.
  • Nuclear medicine continues to evolve, offering improved diagnostic and therapeutic options for urological diseases.