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Dermatology Online Journal

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Nódulos subcutáneos faciales de 3 meses de evolución


Siliconomas are subcutaneous nodules that usuallyappear as a consequence of the migration of freesilicon implanted in other locations. They are morefrequent in women with abnormal breast implants,such as poly implant prostheses (PIP), but they may alsoappear after illegal injection of free silicone. We reporta 57-year-old woman who attended our Dermatologyclinic complaining of relapsing facial panniculitis ofunknown origin. After a thorough work-up, thesenodules were determined to be the consequence ofdermal filler made with fluid silicone, which had beeninjected 20 years prior. High frequency skin ultrasoundof one of the nodules showed a hyperechoic image,also known as “snowstorm,” which was located in thesubcutaneous tissue. The disposition of silicone in thisplane obscures the view of any sonographic structurein the underlying plane. Cutaneous sonographyhas become one of the most useful non-invasivetechniques in diagnosis of filler complications andother inflammatory diseases. Combined treatmentwith prednisone and allopurinol was successful, withno recurrence after 1 year of follow-up.

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