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Endoluminal Ultrasound

  • Donald G. Kim
  • W. Douglas Wong
Chapter

Abstract

  • Equipment used for endoluminal ultrasonography includes a handheld endocavitary probe with rotating transducer which acquires a 360° image. Most investigators use a B-K medical scanner with a rigid handheld type 1850 rotating probe and a 7- or 10-MHz transducer (B-K Medical, Wilmington, MA).

  • Transducers of 7 and 10 MHz provide a focal length of 2–5 and 1–4 cm, respectively, rotating in a 90° scanning plane at 4–6 cycles/s to obtain a 360° radial scan of the rectal wall and surrounding structures. Because of its superior near-image clarity, the 10-MHz transducer is preferred.

  • Rectal imaging requires a latex balloon covering the transducer for acoustic contact.

Keywords

Fecal Incontinence Anal Sphincter Anal Canal Rectal Wall Muscularis Propria 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  1. 1.Department of Surgery, Staff Colon and Rectal SurgeonMichigan State University College of Human MedicineLansingUSA
  2. 2.Spectrum HealthGrand RapidsUSA
  3. 3.Department of SurgeryWeill Medical College of Cornell UniversityNew YorkUSA
  4. 4.Colorectal Service, Department of SurgeryMemorial Sloan-Kettering Cancer CenterNew YorkUSA

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