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Related Concept Videos

Urologic Endoscopic Procedure: Cystoscopic Examination01:28

Urologic Endoscopic Procedure: Cystoscopic Examination

Meaning of Cystoscopic Examination:Cystoscopy is an essential diagnostic tool in urology that is used to assess the structure and function of the genitourinary system. It provides a direct view of the urethra, bladder, and, in some cases, the ureteral openings. This procedure helps detect structural abnormalities, infections, cancers, and blockages in the urinary tract. There are two types of cystoscopy:Flexible cystoscopy is commonly performed in outpatient settings due to its less invasive...
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...
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

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...
Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

Imaging Studies V: Intravenous Urography and Retrograde Pyelography

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...
Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

Capsule endoscopy, or wireless or video capsule endoscopy, is a diagnostic procedure for examining the entire gastrointestinal tract. Patients swallow a capsule about the size of a vitamin tablet. The capsule is equipped with a transmitter, a battery, an LED light source, and a color video camera to capture images throughout the gastrointestinal tract. This procedure is particularly useful for diagnosing conditions such as Crohn's disease, ulcerative colitis, tumors, polyps, ulcers, unexplained...
Imaging Studies I: Kidney, Ureter, and Bladder Studies01:28

Imaging Studies I: Kidney, Ureter, and Bladder Studies

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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Related Experiment Video

Updated: Jul 3, 2026

Use of 3D Robotic Ultrasound for In Vivo Analysis of Mouse Kidneys
08:21

Use of 3D Robotic Ultrasound for In Vivo Analysis of Mouse Kidneys

Published on: August 12, 2021

Three-dimensional image processing system for the ureter and urethra using endoscopic video.

Tatsuo Igarashi1, Satoki Zenbutsu, Tomonori Yamanishi

  • 1Research Center for Frontier Medical Engineering, Chiba University, Chiba City, Chiba, Japan. igarashi@faculty.chiba-u.jp

Journal of Endourology
|July 29, 2008
PubMed
Summary
This summary is machine-generated.

New software creates 3D maps of the ureter and urethra from standard endoscope videos. This technology allows for precise lesion location and quantitative evaluation of urinary tract conditions.

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Use of 3D Robotic Ultrasound for In Vivo Analysis of Mouse Kidneys
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Area of Science:

  • Urology
  • Medical Imaging
  • Software Development

Background:

  • Conventional endoscopy provides limited visualization of the urinary tract.
  • Accurate 3D anatomical representation is crucial for diagnosing and managing urinary tract conditions.

Purpose of the Study:

  • To develop novel software for automatic 3D image processing of the ureter and urethra from conventional endoscopic video.
  • To enable quantitative evaluation of lesions and prostatic urethra obstruction.

Main Methods:

  • Utilized video data from conventional endoscopes.
  • Developed algorithms for automatic processing to generate 3D images.
  • Displayed opened 3D images resembling a map for comprehensive visualization.

Main Results:

  • Successfully generated 3D images of the ureter and urethra.
  • Enabled depiction of lesion locations and prostatic urethra 3D structure.
  • Facilitated quantitative assessment of lesions and obstructive potential.

Conclusions:

  • The developed software offers a new method for visualizing and quantifying urinary tract anatomy and pathology.
  • This technology has significant potential for application in urological diagnosis and treatment planning.