Insights Imaging (2017) 8:557–572 DOI 10.1007/s13244-017-0575-0 REVIEW Injectable facial fillers: imaging features, complications, and diagnostic pitfalls at MRI and PET CT 1 1,2 1 3 Pravin Mundada & Romain Kohler & Sana Boudabbous & Laurence Toutous Trellu & 1 1 Alexandra Platon & Minerva Becker Received: 30 June 2017 /Revised: 2 September 2017 /Accepted: 5 September 2017 /Published online: 4 October 2017 The Author(s) 2017. This article is an open access publication Abstract Silicone has signature MRI features, calcium hydroxyapatite Injectable fillers are widely used for facial rejuvenation, correc- has characteristic calcifications, whereas other injectable fillers tion of disabling volumetric fat loss in HIV-associated facial have overlapping imaging features. Most fillers (hyaluronic ac- lipoatrophy, Romberg disease, and post-traumatic facial id, collagen, and polyalkylimide–polyacrylamide hydrogels) disfiguring. The purpose of this article is to acquaint the reader have signal intensity patterns compatible with high water con- with the anatomy of facial fat compartments, as well as with the tent. On PET-CT, most fillers show physiologic high FDG up- properties and key imaging features of commonly used facial take, which should not be confounded with pathology. Abscess, fillers, filler-related complications, interpretation pitfalls, and cellulitis,non-inflammatory nodules,and foreignbody granulo- dermatologic conditions mimicking filler-related complica-
Insights into Imaging – Springer Journals
Published: Oct 4, 2017
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