Abstract
• The cause of unilateral serous otitis media should be investigated at five levels of the temporal tone.
• The most common level for Eustachian tube obstruction is by edema in the nasopharynx.
• Neoplastic causes for serous otitis media may be in the nasopharynx, infratemporal fossa or the petrous apex.
• A nonobstructive cause of serous otitis media is spontaneous cerebrospinal fluid leak.
• Pediatric preformed pathways for cerebrospinal fluid are:
– Enlarged fallopian canal
– Tympanomeningeal (Hyrtl’s) fissure
– Mondini dysplasia
• Adult preformed dural defects are caused by AGs.
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(2008). Differential Diagnosis of Unilateral Serous Otitis Media. In: Ear Surgery. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-77412-9_13
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DOI: https://doi.org/10.1007/978-3-540-77412-9_13
Publisher Name: Springer, Berlin, Heidelberg
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