PMC5811303_01
Axial (A) and coronal (B) CT images: arrows demonstrate low-density rim-enhancing collection arising from right TMJ extending anteriorly from the mandibular condyle into the masticator space along the deep surface of the temporalis.
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F1
A 6-year-old healthy male with 3 days of fever, right-sided facial swelling, and trismus, presented as a transfer after outside hospital computed tomography (CT) demonstrated a 16 x 16 x 10 mm rim-enhancing collection consistent with an intraarticular right TMJ abscess and adjacent parotitis, temporalis myositis, and cellulitis (Fig. 1).