Colesteatoma primário:teoria da pressåo negativa atical primária / Primary cholesteatoma. Theory of primary attical negative pressure

A finalidade deste trabalho é abordar a etiopatogenia do colesteatoma primário do ouvido médio por pressåo negativa atical devido a bloqueio da comunicaçåo entre o mesotímpano e o ático ou epitímpano. O autor relata um caso que teve a oportunidade de acompanhar durante mais de quatro anos que iniciou com uma otoantrite e terminou com um colesteatoma primário cuja etiologia o autor acredita tersido por bloqueio da comunicaçåo tímpano-atical

Acute mastoiditis in perspective

Thirty cases of acute mastoiditis with sub periosteal abscess were treated at Federal Government Services Hospital over a period of 8 years. The salient feature in these cases was the presence of extensive cholesteatoma in the mastoid presenting mainly in the paediatric age group. These children belonged to poor communities, were malnourished and attended hospital in a state of emergency. The presentation and course of these cases confirms the aggressive and potentially serious nature of the pathology requiring early medical attention in order to avert impending complications. Significantly all patients had a history of ear discharge prior to abscess formation. It appears that in our environment most cases of acute mastoiditis with abscess formation develop from chronic otitis media with cholesteatoma