A 7 years old girl presents with abrupt onset of fever, nausea, vomiting, and sore throat. The child denies cough, rhinorrhea, or nasal congestion. On physical exam, oral temperature is 98.6°F (37°C) and there is an exudative pharyngitis, with enlarged cervical lymph nodes. What are the most important differential diagnoses?

Of the relevant differential diagnoses, it is important to rule out epiglottitis, diphtheria, retropharyngeal or peritonsillar abscess and oropharyngeal cancer.

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This post was written by Omar Rifai