Congenital common cavity deformity of frontal, ethmoid, and sphenoid sinuses.

To present a 17-year-old adolescent patient with lost right eye visual field and intermittent headache since the age of 14 years. The cranium was prominent at the right frontal region. The patient had no history of head trauma or infection and his past medical story was unremarkable. His mental status was normal. Computed tomography scanning revealed an abnormal occurrence of a common cavity deformity of the frontal, ethmoid, and sphenoid sinuses. No other lesions or deformities were present. Such common cavity deformity of these paranasal sinuses has not previously been reported in the English literature.