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The paraboloid of revolution is an axially symmetric surface generated by rotating a parabola around its axis. This shape has several applications in mechanical engineering due to its advantageous structural properties, such as strength against stress concentration points and rotational symmetry.
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Related Experiment Video

Updated: Jan 20, 2026

An Alternative to the Traditional Cold Pressor Test: The Cold Pressor Arm Wrap
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The Cold Revolution: How Far Can It Go?

Nicholas J Tutticci1, Ammar O Kheir2, David G Hewett3

  • 1Faculty of Medicine, The University of Queensland, Brisbane, Queensland, Australia; Department of Gastroenterology, Queen Elizabeth II Jubilee Hospital, Cnr Kessels and Troughton Roads, Coopers Plains, Brisbane, Queensland 4108, Australia; Digestive Disease Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, UAE.

Gastrointestinal Endoscopy Clinics of North America
|August 26, 2019
PubMed
Summary

Cold snare resection is a safe and cost-effective method for removing colonic polyps. Optimal technique involves a margin of normal tissue and piecemeal resection for larger polyps to prevent residual neoplasia.

Keywords:
Cold snareColonoscopyColorectal polypElectrocauteryEndoscopic mucosal resectionPolypectomy

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Area of Science:

  • Gastroenterology and Endoscopy
  • Colorectal Surgery

Background:

  • Cold snare resection is increasingly used for colonic polyp removal.
  • It offers safety and cost benefits over conventional polypectomy.
  • Limitations include shallow resection and lack of thermal effect, potentially leading to residual disease.

Purpose of the Study:

  • To examine the fundamentals of cold snare resection.
  • To review evidence supporting its application.
  • To identify limitations and areas for future research.

Main Methods:

  • Review of current literature and techniques for cold snare resection.
  • Analysis of safety and efficacy data.
  • Theoretical considerations of technique limitations.

Main Results:

  • Cold snare resection is effective for small and large colonic lesions.
  • Optimal technique requires a margin of normal mucosa.
  • Piecemeal resection is necessary for larger polyps to ensure complete removal.

Conclusions:

  • Cold snare resection is a viable alternative to conventional polypectomy.
  • Proper technique is crucial to minimize the risk of residual neoplasia.
  • Further research is needed to fully understand its application limits.