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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Pathognomic features of Maxillary sinusitis is -
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The correct answer is  Characteristic finding of maxillary sinusitis on Rhinoscopy is pus or mucopus in in the middle meatus.
Mucosa and turbinates may appear red and swollen.

Remember: Dental infections are an important source of maxillary sinusitis.