Fig.3

a Sonographic scan of the right side of 35 years old female patient face with pain, signs of infection following filler injection, the transverse scan showed loculated fluid collection with internal echoes. b, c, d Axial CT scans show loculated collection at the anatomical site of the buccal space extending anterior to the masseter muscle with soft tissue swelling inferiorly (arrow). e Ultra sound guided aspiration was done (curved arrow) with aspiration of 10 cc pure pus confirming abscess formation on top of previous filler injection