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Fig. 12 | BMC Medical Imaging

Fig. 12

From: The routes of infection spread in central skull-base osteomyelitis and the diagnostic role of CT and MRI scans

Fig. 12

a Patient 1, 2 months after the first clinical symptoms: MRI of the skull base. Contrast-enhanced axial T1-weighted spin-echo image with fat saturation. Inflammatory changes of the right side soft tissues beneath the skull base, musculus longus capitis and musculus rectus capitis anterior (arrow). The swelling extends to the midline; the infection originates from the right external auditory canal. b Patient No. 1, 4 months following the first clinical symptoms: MRI of the skull base of the same patient. Contrast-enhanced axial T1-weighted spin-echo image with fat saturation. After antibiotic treatment: ceftazidime, ciprofloxacin, clindamycin, Oxacyllin. Inflammatory changes of the soft tissues below the skull base progressed to the left side (arrow), musculus longus capitis and musculus rectus capitis anterior. The swelling affects the retropharyngeal and retrostyloid part of the parapharyngeal space in the midline and progresses to the left side

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