Chronic middle ear disease eroding into cranial cavity - (otogenic) cerebellar abscess and venous sinus thrombosis

Case contributed by Dr Chris O'Donnell

Presentation

3 weeks of middle ear infection L > R. Now headache with vomiting and ataxia.

Patient Data

Age: 12-year-old
Gender: Female

Soft tissue opacity in the left middle ear cleft is associated with ossicular chain erosion (head of the malleus and body of the incus) with extension into the mastoid antrum via the additus. Scutum remains intact. Erosion of the posterior antral wall into the cranial cavity with filling defect indicative of thrombus in the left sigmoid sinus and internal jugular vein as well as a large peripherally enhancing mass indicative of abscess in the left cerebellar hemisphere. Marked compression to the IVth ventricle with lateral and IIIrd ventricular hydrocephalus.

Case Discussion

The complications of suppurative middle ear disease are rare but can be devastating. They are often multiple as in this case with osteitis of the mastoid, thrombophlebitis of the sigmoid sinus thrombosis and brain abscess leading to obstructive hydrocephalus.

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Case information

rID: 41885
Case created: 24th Dec 2015
Last edited: 8th Nov 2016
Inclusion in quiz mode: Included

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