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Ian Ganly, MD,PhD,FRCS; Robin McGuiness, MD,FRCS
Royal Alexandra Hospital, Paisley, Scotland

Arch Otolaryngol Head Neck Surg. 2002;128:1430.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

A 24-YEAR-OLD MAN presented with a 6-month history of right-sided nasal congestion and maxillary pain with intermittent facial swelling, which was associated with a dull ache in the upper premolar and molar teeth on the right side. The facial swelling and pain increased during episodes of sneezing and airplane flights. There was no history of occupational or recreational barotrauma. Examination showed mild right-sided facial swelling and exophthalmos of the right eye. Extraocular eye movements, visual acuity, and visual fields were normal. Nasendoscopy showed an inflamed edematous middle turbinate, with a narrow middle meatus. An urgent computed tomographic scan of the paranasal sinuses was performed. Representative coronal images are shown in Figure 1, Figure 2, and Figure 3 and axial images in Figure 4 and Figure 5.

What is your diagnosis?

Figure 1.

Figure 2.

Figure 3.

Figure 4.

Figure 5.

Diagnosis: Pneumosinus dilatans of the maxillary, ethmoid, and sphenoid sinuses

The . . . [Full Text of this Article]

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