European journal of radiology · 2010
MR evaluation of PDMS injections in head and neck tissues: a pilot study.
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Alicandri-Ciufelli Matteo, Ligabue Guido, Grammatica Alberto, Bergamini Giuseppe, Marchioni Daniele, Ghidini Angelo, Genovese Elisabetta, Presutti Livio
Аннотация
OBJECTIVES: To describe the magnetic resonance (MR) appearance of polydimethylsiloxane (PDMS) injections in the head and neck region.
STUDY DESIGN: Retrospective review of MR images from a case series.
METHODS: MR images of 10 patients, who underwent PDMS injections at our department, were reviewed. Data from imaging were collected and analyzed.
RESULTS: After injection, PDMS can be identified in MR images, particularly in T2-weighted images in the early stages. Its MR characteristics are similar to silicone in other regions, but with time, its appearance can change.
CONCLUSIONS: The integration of PDMS with tissues may also be reflected in changes in MR appearance, as a result of an increased amount of fibrous tissue in the region injected. Radiologists and ENT specialists may benefit from knowledge of the MR characteristics and variability in appearance of PDMS in human tissues for improving image interpretation.
STUDY DESIGN: Retrospective review of MR images from a case series.
METHODS: MR images of 10 patients, who underwent PDMS injections at our department, were reviewed. Data from imaging were collected and analyzed.
RESULTS: After injection, PDMS can be identified in MR images, particularly in T2-weighted images in the early stages. Its MR characteristics are similar to silicone in other regions, but with time, its appearance can change.
CONCLUSIONS: The integration of PDMS with tissues may also be reflected in changes in MR appearance, as a result of an increased amount of fibrous tissue in the region injected. Radiologists and ENT specialists may benefit from knowledge of the MR characteristics and variability in appearance of PDMS in human tissues for improving image interpretation.