Absent frontal sinus: an uncommon radiological finding that should not be missed in CT report—letter to the editor

The absent frontal sinus is an imaging finding that may be an incidental finding in normal cases that have a CT skull for any cause other than a scan of paranasal sinuses (e.g., CT brain, orbit, maxillofacial) or CT scan of paranasal sinuses due to a complaint related to it [3]. [...]a CT scan is the best modality to assess paranasal sinuses without the need to expose a patient to an X-ray with low diagnostic value. Availability of data and materials All data and materials in the article are available and original from work files with permission of management of using it for research purposes without disclosure of the patient’s personal data not related to the research filed. Alshaikh, N; Aldhurais, A. Anatomic variations of the nose and paranasal sinuses in Saudi population: computed tomography scan analysis.