NDLI: MRI in detecting facial cosmetic injectable fillers

Content Provider	Springer Nature : BioMed Central
Author	Tal, Sigal Maresky, Hillel S. Bryan, Theodore Ziv, Ella Klein, Dov Persitz, Assaf Heller, Lior
Abstract	Background Despite being considered a non-invasive procedure, injections can cause adverse outcomes including infections, overfilling, asymmetry, foreign body granulomas, and reactions that lead to scarring. Complications may be associated with the procedure itself, the physician’s technique, and/or the type of agent injected. In these instances, it is important to be able locate and identify the substance used. This study investigated the viability of using MRI to correctly identify injected substances, their symmetry of distribution, and related complications. Methods Fourteen patients with suspected injectable filler complications were identified by our institution’s plastic surgery service. All subjects were scanned with MRI, using highly specific face-oriented sequences at high resolution with small field of view and thin slices across the axial and coronal planes by T1 Dixon non-contrast, T2 Dixon, and T1 Dixon after gadolinium injection. Two independent and blinded radiologists evaluated the images and reported (1) the likely injected substance, (2) symmetry, and (3) complications. These radiological results were compared against clinical data provided by the plastic surgery service. Results Ten patients (83 %) presented objective injectable complications: 4 had abscess, 4 granulomata, and 2 had allergic reactions to the injected substance. The Fleiss Kappa for inter-rater agreement on substances was 0.80. Asymmetry was identified in six patients (50 %) with a Kappa between radiology evaluators of 1. MRI characteristics of these common fillers are summarized in table form. Conclusions Given the growing awareness among referring physicians of the value of dedicated facial MRI, utilization of this imaging technique may lead to discovery of the injected substance’s true identity, evaluation of symmetry and/or complications.
Related Links	https://head-face-med.biomedcentral.com/counter/pdf/10.1186/s13005-016-0124-y.pdf
Ending Page	7
Page Count	7
Starting Page	1
File Format	HTM / HTML
DOI	10.1186/s13005-016-0124-y
Journal	Head & Face Medicine
Issue Number	1
Volume Number	12
Language	English
Publisher	BioMed Central
Publisher Date	2016-09-06
Access Restriction	Open
Subject Keyword	Otorhinolaryngology Oral and Maxillofacial Surgery Dentistry Head and Neck Surgery Hyaluronic Acid Imiquimod Gadolinium Injection Foreign Body Granuloma Dermal Filler
Content Type	Text
Resource Type	Article
Subject	Otorhinolaryngology Neurology (clinical) Dentistry
Journal Impact Factor	2.4/2023
5-Year Journal Impact Factor	2.9/2023

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