A fit and well young man presented to our emergency department in the UK. On examination, he had an isolated left-sided ptosis; he had a 3-day history of frontal headache which was worse on head movement. He lacked any clinical signs of cranial, orbital, or preseptal infection, and his eye movements were normal. Ten days before presentation, he tested positive for SARS-CoV-2. Inflammatory markers were moderately raised, and CT of the head did not reveal any vascular abnormality or intracranial lesion. Imaging revealed opacification, predominantly in the left facial sinuses, keeping with sinusitis. He was discharged the same evening with oral antibiotics and made a full recovery over the next few days. He remained well at 6-month follow-up. The authors convey their findings to raise awareness of a rare complication of sinusitis and to demonstrate the utility of CT imaging for diagnosing sinusitis and ruling out severe pathology.
Keywords: Ear, nose and throat; Emergency medicine.
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