mastoiditis

Feared complication of Otitis media
Etiology
Epidemiology More common in children due to incomplete ossification
Clinical presentation Systemically unwell, tenderness, post-auricular swelling, protrusion of pinna
Pathogenesis
Diagnostic investigations CT petrous bones + brain with contrast - subperiosteal abscess? → if no improvement after 24h abx
Management IV ceftriaxone + metronidazole
Surgical debridement - grommet/myringotomy + cortical mastoidectomy
Complications:
- intracranial abscess, neck abscess
- venous sinus thrombosis
- CN7 palsy/Gradenigo's syndrome