Intraoperative high-resolution ultrasound and contrast-enhanced ultrasound of peripheral nerve tumors and tumorlike lesions

Neurosurgical Focus
Maria Teresa PedroRalph W Koenig

Abstract

The diagnostic workup and surgical therapy for peripheral nerve tumors and tumorlike lesions are challenging. Magnetic resonance imaging is the standard diagnostic tool in the preoperative workup. However, even with advanced pulse sequences such as diffusion tensor imaging for MR neurography, the ability to differentiate tumor entities based on histological features remains limited. In particular, rare tumor entities different from schwannomas and neurofibromas are difficult to anticipate before surgical exploration and histological confirmation. High-resolution ultrasound (HRU) has become another important tool in the preoperative evaluation of peripheral nerves. Ongoing software and technical developments with transducers of up to 17-18 MHz enable high spatial resolution with tissue-differentiating properties. Unfortunately, high-frequency ultrasound provides low tissue penetration. The authors developed a setting in which intraoperative HRU was used and in which the direct sterile contact between the ultrasound transducer and the surgically exposed nerve pathology was enabled to increase structural resolution and contrast. In a case-guided fashion, the authors report the sonographic characteristics of rare tumor entities sho...Continue Reading

References

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Jan 22, 2009·AJR. American Journal of Roentgenology·Roberto MalagòRoberto Pozzi Mucelli
May 14, 2009·Neurosurgical Focus·Ralph W KoenigThomas Kretschmer
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Apr 30, 2013·La Presse médicale·Peter Y K Van den Bergh, Yusuf A Rajabally
Nov 12, 2013·Ultrasound in Medicine & Biology·Xiao-Li CaoJie Xue

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Citations

Jul 19, 2018·Ultrasound Quarterly·Xue-Jun NiJing-Jian Chang
Aug 27, 2019·Therapeutic Advances in Neurological Disorders·Jo M WilmshurstMonique M Ryan
Aug 4, 2020·World Journal of Radiology·Antonia S Carroll, Neil G Simon
Jun 21, 2020·Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery·Natalie WinterAlexander Grimm
Nov 18, 2020·Der Nervenarzt·Alexander GrimmMartin U Schuhmann
Jul 3, 2020·Zentralblatt für Chirurgie·Stefanie SchreiberThomas Schelle
Sep 25, 2019·World Neurosurgery·Maria Teresa PedroRalph Werner Koenig
Sep 4, 2021·Ultraschall in der Medizin : Organ der Deutschen Gesellschaft für Ultraschall in der Medizin, [der] Österreichischen Gesellschaft für Ultraschall in der Medizin, [der] Schweizerischen Gesellschaft für Ultraschall in Medizin und Biologie·Daniela FodorEsperanza Naredo

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Methods Mentioned

BETA
biopsy

Software Mentioned

iCEUS
SonoVue

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