2010
DOI: 10.1016/j.jdermsci.2009.12.012
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Follow up study of dermal hyaluronic acid injection by high frequency ultrasound and magnetic resonance imaging

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Cited by 12 publications
(7 citation statements)
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“…An increasing number of methods are applied to determine the longevity of hyaluronic acid fillers in vivo, including histology, cytochemistry, magnetic resonance imaging, electron microscopy, and high-frequency ultrasound. 12 High-frequency ultrasound is a noninvasive approach for visualizing hyaluronic acid fillers and dermal modifications that can be performed without skin biopsies. Moreover, dermal changes over a long-term period can be monitored and quantified by the use of high-frequency ultrasound, in the event of cyst or granuloma induced by hyaluronic acid filler treatment.…”
Section: Discussionmentioning
confidence: 99%
“…An increasing number of methods are applied to determine the longevity of hyaluronic acid fillers in vivo, including histology, cytochemistry, magnetic resonance imaging, electron microscopy, and high-frequency ultrasound. 12 High-frequency ultrasound is a noninvasive approach for visualizing hyaluronic acid fillers and dermal modifications that can be performed without skin biopsies. Moreover, dermal changes over a long-term period can be monitored and quantified by the use of high-frequency ultrasound, in the event of cyst or granuloma induced by hyaluronic acid filler treatment.…”
Section: Discussionmentioning
confidence: 99%
“…In vivo, a region of HA filler appears as a hypoechoic delimited structure of low intensity or relatively low echogenicity (i.e., darker), as opposed to areas of edema, which appear as hypoechoic areas without defined limits. 11 The tonality or darkness of HA depends, among other factors, on the degree of viscosity and density of the product, but HA can easily be differentiated from anatomical structures by its distinct boundaries with surrounding soft tissues. 12 For locating and differentiating HA, it is also helpful for the operator to have thorough knowledge regarding US techniques and the anatomy of the region.…”
Section: Resultsmentioning
confidence: 99%
“…MRI seems to be the best diagnostic tool, allowing a correct assessment of filler dislocation due to multiplanar acquisitions and determination of anatomical landmarks. 14 Various studies have investigated MRI 1 5 14 15 as a diagnostic modality for accurately identifying the presence of foreign material. Grippaudo et al 14 showed that contrast-enhanced MRI enabled the identification of sub-cutaneous abscesses or granulomas characterized, respectively, by circular or diffuse enhancement.…”
Section: Discussionmentioning
confidence: 99%