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Article type: Research Article
Authors: Kuehlmann, Brittaa; * | Prantl, Lukasa | Michael Jung, Ernstb
Affiliations: [a] Center for Plastic, Aesthetic, Hand &Reconstructive Surgery, University Hospital Regensburg, Regensburg, Germany | [b] Department of DiagnosticRadiology and Interdisciplinary Ultrasound Department, University Hospital Regensburg, Regensburg, Germany
Correspondence: [*] Corresponding author: Britta Kuehlmann, Center for Plastic, Aesthetic, Hand & Reconstructive Surgery, University Hospital Regensburg, Regensburg, Germany. Tel.: +49 173 3659783/+49 941 7833123; Fax: +49 941 7823115; [email protected]
Abstract: AIM: To investigate whether there are fundamental sonographic and elastographic criteria to precisely assess different surfaces and fillings of idle breast implants and to determine their most distinctive parameters. This was a comparative study of different unused breast implant materials, neighter in animals nor in humans. This knowledge should be transferred in vivo to develop an objective measurement tool. METHODS: Nine idle breast implants-silicone and polyurethane (PU)-were examined in an experimental study by using ultrasound B-mode with tissue harmonic imaging (THI), speckle reduction imaging (SRI, level 0–4), cross-beam (CB, low, medium, high), photopic and the colour coded ultrasound-strain elastography with a multifrequency probe (9–15 MHz). Using a standardised protocol the implants’ centre as well as the edge were analysed by one experienced examiner. Two independent readers performed analysis and evaluation. For image interpretation a score was created (score 0:inadequate image, score 5:best image quality). RESULTS: The highest score result for the centre was achieved by using ultrasound with B-mode in addition with CB level medium, SRI level 2, THI and photopic (mean:3.22±SD:1.56), but without any statistic significant difference (t-value = 0.71). With elastography the implants’ edge in general was represented without disruptive artefacts (3.89±0.60) with statistic significant difference (t-value = 5.29). Implants filled with inner cohesive silicone gel II° showed best imaging conditions for their centre via ultrasound (5±0) as well as for their edge via elastography (4.50±0.71). CONCLUSION: Ultrasound-strain elastography and high resolution ultrasound represent a valuable measurement tool to evaluate different properties of idle breast implants. These modified ultrasound examinations could be an additional help for clinical investigations and be correlated with Baker’s Classification.
Keywords: Breast implants, elastography, Baker’s Classification
DOI: 10.3233/CH-151963
Journal: Clinical Hemorheology and Microcirculation, vol. 61, no. 4, pp. 645-656, 2015
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