PMC7594227_01
Axial T2 weighted MR image (before treatment) shows hyperintensity in right mastoid
cells, middle ear and also petrous apex.
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A cranial magnetic resonance imaging (MRI) was performed, which showed complete opacification and high signal in the mastoid air cells, middle ear, and petrous apex on T2 scans on the right side (Figure 1).
Coronal reformatted CT image (before treatment) shows hyperdensity in right mastoid
cells, middle ear and petrous apex. Also destruction in petrous apex is seen.
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CT images showed erosion in the petrous apex indicative of petrous apicitis on the right side (Figure 2). Concomitant right acute mastoiditis with petrositis, right orbitofacial pain, and right abducens palsy was indicative of Gradenigo's syndrome.
Axial CT image (after treatment) identifies complete resolution of the lesions in right
ear and tympanostomy tube.
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Follow-up CT scans performed after the intravenous therapy showed improvement of the right mastoiditis and edema at the apex (Figure 3).