akute Otomastoiditis

Paediatric

acute mastoiditis complicated by Bezold abscess and epidural empyema without bone erosion. Axial contrast-enhanced CT of the head demonstrates filling defect with surrounding enhancement in the left sigmoid sinus and Bezold abscess.

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Preschooler

with chickenpox and a left earache. Axial CT with contrast of the brain with bone windows (left) shows partial opacification of the left mastoid air cells and a lower image with soft tissue windows (right) shows inflammation in the left neck soft tissues at the level of the left mastoid air cells.The diagnosis was acute mastoiditis.

pediatricimaging.org • CC-by-nc-sa 4.0

Acute

mastoiditis • Cerebellar abscess - Ganzer Fall bei Radiopaedia

Glick, Y. Cerebellar abscess. Case study, Radiopaedia.org. (accessed on 24 Oct 2022) https://doi.org/10.53347/rID-73727 • CC by-nc-sa 3.0 (modified)

Paediatric

acute mastoiditis complicated by Bezold abscess and epidural empyema without bone erosion. Absent flow void in the left sigmoid sinus with area of high T2 signal lateral to the sinus

www.eurorad.org • CC by-nc-sa-4.0

Paediatric

acute mastoiditis complicated by Bezold abscess and epidural empyema without bone erosion. DWI (b0): Area of restricted diffusion (relative to CSF) lateral to the left sigmoid sinus suggestive of an extra-axial empyema

www.eurorad.org • CC by-nc-sa-4.0

Paediatric

acute mastoiditis complicated by Bezold abscess and epidural empyema without bone erosion. Bezold abscess lateral to the mastoid (arrow) with surrounding enhancement of the sternocleidomastoid muscle. Enhancement around the sigmoid sinus suggestive of thrombosis and/or intracranial collection (asterisk)

www.eurorad.org • CC by-nc-sa-4.0

Paediatric

acute mastoiditis complicated by Bezold abscess and epidural empyema without bone erosion. There is swelling and enhancement of the left sternocleidomastoid muscle (black arrowhead). Note the normal right stenocleidomastoid muscle (white arrow)

www.eurorad.org • CC by-nc-sa-4.0

Paediatric

acute mastoiditis complicated by Bezold abscess and epidural empyema without bone erosion. Bony reconstructions of axial CT demonstrates no obvious bony erosion

www.eurorad.org • CC by-nc-sa-4.0

Toddler with

left earache. Axial CT with contrast of the brain with bone windows (left) shows opacification of the left mastoid air cells and the same image with soft tissue windows (right) shows a low density rim enhancing fluid collection at the level of the left mastoid air cells deep to the sternocleidomastoid and trapezius muscles.The diagnosis was acute mastoiditis with a Bezold abscess.

pediatricimaging.org • CC-by-nc-sa 4.0

Paediatric

acute mastoiditis complicated by Bezold abscess and epidural empyema without bone erosion. Coronal contrast-enhanced CT of the head demonstrates filling defect with surrounding enhancement in the left sigmoid sinus and Bezold abscess.

www.eurorad.org • CC by-nc-sa-4.0

Acute

mastoiditis • Otomastoiditis and enlarged vestibular aqueducts - Ganzer Fall bei Radiopaedia

Hosn, S. Otomastoiditis and enlarged vestibular aqueducts. Case study, Radiopaedia.org. (accessed on 24 Oct 2022) https://doi.org/10.53347/rID-20606 • CC by-nc-sa 3.0 (modified)

Preschooler

with fever and right facial tenderness. Axial CT with contrast of the brain with bone windows (left) shows complete opacification of the mastoid air cells bilaterally. MRV with contrast of the brain (right) shows a lack of venous flow in the right sigmoid sinus.The diagnosis was acute mastoiditis with thrombosis of the right sigmoid sinus.

pediatricimaging.org • CC-by-nc-sa 4.0