Ultrasound-guided retrieval of small foreign objects in subcutaneous tissue

Annals of Emergency Medicine
J TurnerE K Manders

Abstract

To identify the physical properties of the materials most easily located in subcutaneous tissue through the use of conventional ultrasound. High-resolution real-time sonography was performed by a credentialed sonographer on a chicken breast impregnated with five objects-a metal paper clip, a wooden toothpick, a plastic coffee stirrer, a shard of glass, and an 18-gauge needle. Transducer frequencies ranging from 3.5 to 7.5 MHz with linear, curvilinear, and sector-scanning formats were used. All images were interpreted by a staff attending radiologist with other study authors present. The chicken breast was then subjected to radiography for comparison. Wood yielded the strongest acoustic shadow; plastic had the next-best acoustic shadowing. The 7.5-MHz probe yielded its best resolution at shallow depths, whereas the 5-MHz probe was best at greater depths. We conclude that ultrasonography is an excellent technique for the localization and retrieval of nonradiopaque foreign objects in the superficial subcutaneous tissue. It should be given consideration for use in the removal of nonradiopaque superficial foreign objects when conventional radiographic techniques are not effective.

References

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Citations

Jan 27, 2004·The Pediatric Infectious Disease Journal·Menfo A ImoisiliDorothy I Bulas
Jun 18, 2002·Pediatric Emergency Care·Kenneth Yen, Marc H Gorelick
Nov 29, 2008·The Journal of Emergency Medicine·Murat OzsaracSerkan Sener
Apr 3, 2007·Emergency Medicine Clinics of North America·Robert B Blankenship, Todd Baker
Nov 14, 2006·The American Journal of Emergency Medicine·Ibrahim TurkcuerArif Alper Cevik
Feb 11, 2012·European Journal of Radiology·Kai TaoZi-hua Wang
Apr 22, 2011·The Journal of Bone and Joint Surgery. American Volume·Gregory B FirthPaul J Moroz
May 25, 2004·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·María RomeroConcepció Brú
Aug 28, 2009·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Sonali S SabooVishnu Adhane
Sep 29, 2007·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Jason T NomuraJason A Gukhool
Jul 28, 2006·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Dirk L Isaacs
Aug 11, 2004·Emergency Medicine Clinics of North America·Carrie D Tibbles, William Porcaro

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