PMC8730567_01
CT scan showing soft tissue swelling suggestive of epidural abscess of left posterior fossa.
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Given the history, he underwent a computed tomography scan of his head, which showed a subcutaneous fluid collection and underlying epidural collection in the region over the left posterior fossa (Figure 1a). There was also evident erosion of the bony skull between the two fluid collections (Figure 1b).
CT scan showing mottled appearance of left occipital bone, consistent with osteomyelitis.
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Magnetic resonance imaging was performed, which confirmed the diagnosis of subcutaneous and epidural abscess with focal osteomyelitis of the skull (Figures 2a, 2b, and 2c).