Clinical implications of ultrasound artifacts in the cervicofacial area following injection of permanent facial fillers

Conclusion
Various artifacts may be demonstrated on US in patients with injection of permanent facial fillers. When hyperechogenicity or multiple hyperehoic foci are seen in cervical lymph nodes, the possibility of migration of facial fillers to the cervical area should be considered.

Source: Journal of Medical Ultrasonics - November 5, 2014 Category: Radiology Source Type: research