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Anales de Otorrinolaringología Mexicana

2011, Number 1

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Otorrinolaringología 2011; 56 (1)

Subdural empyema in posterior fossa by direct dissemination mechanism through temporal bone fracture subdural empiema, otitis media complications, temporal bone fracture.

Pirrón LJA, Hernández VG

Language: Spanish
References: 10
Page: 37-42
PDF size: 471.68 Kb.


ABSTRACT

Subdural abscesses or empyemas are much more common with sinusitis than with otitis media. Only 10 to 20% of all the cases result from otic or mastoid infections meanwhile 50 to 70% are from sinus origin. Because of the mass effect and the close proximity to cerebral cortex, marked focal irritative neurologic deficits, seizures, and rapid loss of consciousness may be the presenting symptoms. Nowadays subdural empyema is considered the less common complication of otitis media and it ocurrs more frecuently as a complication from a chronic otitis than from an acute process. Without treatment, the mass effect induced by the swollen brain causes transtentorial herniation and dead. A literature review is made taking as guideline the case of a 50 year-old male patient who presented a subdural empyema in the posterior cranial fossa secondary to a non-chronic process (temporal bone fracture and an ear wash made before the fracture’s diagnosis).


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