Cosmetic Filler and PET Positivity: The Risk of a False Positive.

Objective: To discuss a case of hyaluronic acid filler displaying as PET avid resulting in a false positive for local recurrence and review of the literature of how filler presents on PET.

Study Design: Case report and literature review.

Methods: Retrospective case review of a patient with angiosarcoma with PET-MRI positivity after hyaluronic acid filler injection.