What is it about?
In some particular cases, examining the ostio-meatal unit with a 70° endoscope is useful in order to avoid complications
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Why is it important?
It is really important in order to find the proper position of the frontal ostium at the level of the frontal recess
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This page is a summary of: 70° endoscope examination of the ostiomeatal unit, Romanian Journal of Rhinology, October 2018, De Gruyter,
DOI: 10.2478/rjr-2018-0029.
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