ventilation tube

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Ventilation Tube
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Ventilation Tube

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There is a white plastic ventilation tube which has been placed in this left tympanic membrane for ventilation and drainage of the middle ear. This was a young six-year-old with a persistent mucoid effusion...

Extruding Ventilation Tube
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Extruding Ventilation Tube

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Almost all ventilation tubes placed in the tympanic membrane are ultimately extruded. The time from insertion to extrusion varies from two months to over two years depending upon the type of tube placed...

Acute Otitis Media with a Ventilation Tube in Place
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Acute Otitis Media with a Ventilation Tube in...

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Note the purulent discharge issuing from the right middle ear through the lumen of a previously placed green silastic ventilation tube. In this case the otitis media developed by contamination of the...

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