Abscess. Abscess. The patient presented with painful swelling of right cheek after hyaluronic acid injection 2 months earlier. Axial (A) and coronal (B)

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Presentation transcript:

Abscess. Abscess. The patient presented with painful swelling of right cheek after hyaluronic acid injection 2 months earlier. Axial (A) and coronal (B) T2, axial T1 (C), and coronal fat-saturated postcontrast T1 (D) MR images show deposits of hyaluronic acid in the bilateral oral commissures and upper lip (arrowheads). Posterior to the filler on the right, there is a multiloculated rim-enhancing fluid collection (arrows). D.T. Ginat, and C.J. Schatz AJNR Am J Neuroradiol 2013;34:1488-1495 ©2013 by American Society of Neuroradiology