Clinical significance of incidental findings
Low Moderate High
Antral septations Nasal mucosal thickening Soft tissue pathology on osseous borders
Ethmoid sinus mucosal thickening Nasal polyp Extracranial carotid artery atheromatic calcifications
Sphenoid sinus mucosal thickening Maxillary sinus limited inflammatory changes Sella turcica enlargement
Frontal sinus mucosal thickening Moderate/severe inflammatory changes of maxillary sinus Airway asymmetry
Frontal sinus hypoplasia Total opacification of maxillary sinus Intracranial carotid artery atheromatic calcifications
Frontal sinus aplasia Discontinuity of sinus floor -
Tonsiloliths Foreign object in maxillary sinus - root in maxillary sinus -
Stylohyoid ligament calcification Antral polyp -
Calcified thyroid cartilage Ethmoid sinus inflammatory changes -
Degenerative changes of cervical spine Sphenoid sinus inflammatory changes -
Mild - moderate TMJ degenerative changes Frontal sinus inflammatory changes -
Moderate - severe TMJ degenerative changes Paranasal benign entities (tumours) -
Antral septations Sialoliths -
Ethmoid sinus mucosal thickening Tonsillar hypertrophy -
Sphenoid sinus mucosal thickening Posterior pharyngeal tonsillar hypertrophy -
Frontal sinus mucosal thickening Airway narrowing -
Frontal sinus hypoplasia Other neck calcifications -
Frontal sinus aplasia Nasal mucosal thickening -

TMJ = temporomandibular joint.