Acute otomastoiditis with retroauricular abscess

Case contributed by Ammar Haouimi
Diagnosis almost certain


Painful right postauricular swelling with erythema and fever.

Patient Data

Age: 4 years
Gender: Female

Opacification of the right mastoid air cells and middle ear cavity with cortical defect of the lateral mastoid wall communicating with a retroauricular fluid collection (measuring 45 x 35 x 20 mm) with peripheral enhancement. The cerebral venous sinuses are patent. No adjacent subdural empyema is seen. 

Case Discussion

CT features of an acute otomastoiditis complicated by a retro/postauricular abscess.

Additional contributor: ZE. Boudiaf, MD CHU, Constantine

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