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Elastographic and contrast-enhanced ultrasound features of a benign schwannoma of the common fibular nerve

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Abstract

Differential diagnosis of a mass in the popliteal fossa includes a number of pathologies, such as Baker’s cyst, extra-articular ganglia cyst, hematoma, proliferation of adipose tissue, aneurysm of the popliteal artery, thrombosed varicose vein, gouty tophi and benign or malignant soft tissue tumors. Schwannoma is the most common benign peripheral nerve tumor. However, only a few authors have so far reported on schwannomas located on the common fibular nerve. The aim of this paper is to present contrast-enhanced ultrasound and ultrasound elastographic features of a rare case of schwannoma of the common fibular nerve as well as imaging features of a schwannoma of the peripheral nerve.

Riassunto

La diagnosi differenziale delle masse poplitee include: la cisti di Baker, cisti gangliari extraarticolari, proliferazione del tessuto adiposo, aneurismi poplitei, vene trombizzate, tofi gottosi o tumori maligni o benigni. Lo Schwannoma è il più frequente tumore dei nervi periferici. Comunque, ad oggi, soltanto pochi casi riguardo agli Schwannomi del nervo comune peroneale sono stati descritti. Nel presente lavoro vengono revisionati gli aspetti ecocontrastografici e elastosonografici di un raro caso di Schwannoma del nervo peroneale comune e gli aspetti ecografici dello Schwannoma periferico.

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Conflict of interest

Vito Cantisani, Nicola Orsogna, Cristina Fioravanti, Andrea Porfiri and Ferdinando D’Ambrosio declare that they have no conflict of interest related to this paper.

Informed consent

All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2000 (5). All patients provided written informed consent to enrolment in the study and to the inclusion in this article of information that could potentially lead to their identification.

Human and animal studies

The study was conducted in accordance with all institutional national guidelines for the care and use of laboratory animals.

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Authors and Affiliations

  1. Department of Radiology, Oncology and Anatomy Pathology, University of Rome “La Sapienza”, Policlinico Umberto I, Viale del Policlinico 155, 00161, Rome, Italy

    V. Cantisani, N. Orsogna, A. Porfiri, C. Fioravanti & F. D’Ambrosio

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  1. V. Cantisani
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  2. N. Orsogna
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  3. A. Porfiri
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  4. C. Fioravanti
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  5. F. D’Ambrosio
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Correspondence to V. Cantisani.

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Cantisani, V., Orsogna, N., Porfiri, A. et al. Elastographic and contrast-enhanced ultrasound features of a benign schwannoma of the common fibular nerve. J Ultrasound 16, 135–138 (2013). https://doi.org/10.1007/s40477-013-0027-8

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  • DOI: https://doi.org/10.1007/s40477-013-0027-8

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