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Pharyngeal recess

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Overview

Behind the ostium of the auditory tube is a deep recess, the pharyngeal recess (fossa of Rosenmüller).

Clinical significance

At the base of this recess is the retropharyngeal lymph node (the Node of Rouvier.) This is clinically significant in that it may be involved in certain head and neck cancers, notably Nasopharyngeal cancer.

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