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Related Concept Videos

Urologic Endoscopic Procedure: Cystoscopic Examination01:28

Urologic Endoscopic Procedure: Cystoscopic Examination

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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...
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Aseptic techniques prevent contamination, ensure experimental accuracy, and protect researchers and microbial cultures. These techniques are essential in clinical, industrial, and research settings where sterility is required.Maintaining Sterility in Laboratory PracticesScientists maintain sterility by sterilizing tools with heat or chemicals, disinfecting work surfaces, and handling cultures in controlled environments. Working near an open flame or within a laminar flow hood reduces the risk...
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The early pioneers of microscopy opened a window into the invisible world of microorganisms. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes that leveraged nonvisible light, such as fluorescence microscopy that uses an ultraviolet light source and electron microscopy that uses short-wavelength electron beams. These advances significantly improved magnification, image resolution, and contrast. By comparison, the...
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Brick-cutting techniques involve various tools and methods to shape bricks for construction. A mason's hammer with a chisel-pointed end is used for basic shaping through sharp, precise strikes. For more complex shapes requiring higher precision, a power saw with a water-cooled diamond blade is used.
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OverviewStaining techniques in microscopy enhance the visualization of microorganisms by increasing contrast and allowing the differentiation of cellular structures. Simple staining is one of the fundamental methods used to observe the basic morphological characteristics of microorganisms, including their size, shape, and arrangement. This method relies on the application of a single dye to stain the entire cell, producing a clear contrast between the cell and the background.FixationFixation is...
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Differential staining is an essential microbiological technique that exploits variations in cell wall structures to classify and identify microorganisms. It facilitates the distinction of bacteria, aiding in diagnostic and research applications. Two of the most widely used differential staining methods are Gram staining and acid-fast staining, both of which rely on the chemical and structural differences in bacterial cell walls.Gram Staining TechniqueGram staining differentiates bacteria by...
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Related Experiment Video

Updated: Feb 5, 2026

Fabrication of Small Caliber Stent-grafts Using Electrospinning and Balloon Expandable Bare Metal Stents
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Cystoscopic ureteral stent placement: techniques and tips.

Brian J Linder1,2, John A Occhino3

  • 1Department of Urology, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA. Linder.Brian@mayo.edu.

International Urogynecology Journal
|September 17, 2018
PubMed
Summary

This video demonstrates cystoscopic ureteral stent placement techniques for various situations, including difficult anatomy and prophylactic use. Learn essential tips for successful external, lighted, and internal double-J stent insertion.

Keywords:
CystoscopyRetrograde pyelogramUreteral injuryUreteral stent

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Area of Science:

  • Urology
  • Minimally Invasive Surgery
  • Medical Education

Background:

  • Cystoscopic ureteral stent placement is a valuable procedure.
  • It is particularly useful in cases with expected or encountered difficult pelvic periureter dissection.

Purpose of the Study:

  • To demonstrate technical considerations and tips for cystoscopic placement of external, lighted, and internal ureteral stents.
  • To provide a comprehensive guide for urologists and trainees.

Main Methods:

  • The video reviews cystoscopy basics and retrograde stent placement techniques.
  • It details the placement of external, lighted, and internal double-J ureteral stents using fluoroscopy.
  • Procedures such as retrograde pyelograms and guidewire manipulation are illustrated.

Main Results:

  • Key steps for successful ureteral stent placement are highlighted.
  • Attention is given to understanding stent markings, resistance, and externalization techniques.
  • Confirmation of stent position using fluoroscopy is emphasized.

Conclusions:

  • This video serves as a practical guide for cystoscopic ureteral stent placement.
  • It covers prophylactic settings, challenging anatomy, and ureteral injury scenarios.
  • The presented techniques aim to improve procedural outcomes and patient care.