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Related Concept Videos

Urinary Tract Calculi VI: Surgical Management01:25

Urinary Tract Calculi VI: Surgical Management

Procedures for Kidney StonesMedical intervention is necessary when kidney stones or renal calculi are too large to pass spontaneously (typically greater than 5 millimeters) when stones are accompanied by symptomatic infection (such as fever or pyelonephritis), when they impair kidney function, or when they cause persistent symptoms like severe pain, nausea, or urinary retention. Additionally, patients with only one kidney or those who cannot be treated with medical management also require...
Urologic Endoscopic Procedure: Cystoscopic Examination01:28

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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 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...
Urinary Tract Calculi III: Medical Management01:30

Urinary Tract Calculi III: Medical Management

The diagnosis of renal calculi involves several imaging techniques, including non-contrast CT scans and ultrasound. These methods help visualize kidney stones, assess their size and location, and detect possible obstructions. Additionally, Measuring urine pH is useful for diagnosing specific stone types, such as struvite (alkaline pH) and uric acid stones (acidic pH). Cystine stones are primarily linked to cystinuria, a genetic condition. A urinalysis helps detect blood in the urine (hematuria)...

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Related Experiment Video

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Probe-based Confocal Laser Endomicroscopy of the Urinary Tract: The Technique
06:31

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Published on: January 10, 2013

Fluorescence guidance in urologic surgery.

Nynke S van den Berg1, Fijs W B van Leeuwen, Henk G van der Poel

  • 1Department of Urology, Netherlands Cancer Institute/Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands.

Current Opinion in Urology
|January 21, 2012
PubMed
Summary

Fluorescent tracers offer valuable surgical insights without obscuring the surgical field. This review covers essential fluorescent tracers and hardware for fluorescence-guided surgery in urology.

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Area of Science:

  • Surgical Innovation
  • Medical Imaging
  • Urology

Background:

  • Fluorescent tracers provide anatomical and functional data during surgery.
  • Limited availability of fluorescent tracers for urological procedures hinders adoption.
  • Advancements in tracer development are crucial for expanding applications.

Purpose of the Study:

  • To review the fundamentals of fluorescence-guided surgery.
  • To discuss available fluorescent tracers for urological interventions.
  • To outline hardware requirements for fluorescence imaging systems.

Main Methods:

  • Literature review of fluorescent tracers and surgical guidance systems.
  • Analysis of existing fluorescent agents like Protoporphyrin IX, hypericin, fluorescein, and indocyanine green.
  • Examination of hybrid imaging agents and camera systems for fluorescence detection.

Main Results:

  • Several fluorescent tracers (Protoporphyrin IX, hypericin, fluorescein, indocyanine green) aid surgical resection.
  • Hybrid imaging agents enhance the integration of preoperative and intraoperative imaging.
  • Development of specialized camera systems optimizes fluorochrome detection for surgical fluorescence guidance.

Conclusions:

  • Fluorescence-guided surgery offers significant advantages in urological interventions.
  • Understanding tracer properties and hardware is key to successful implementation.
  • Continued development in fluorescent tracers and imaging technology is expected.