This power present sinuse of face

1. Sinuses - CT brain - (bone windows)
(2)
Shahla Abolghasemi
Assistant professor of Rheumatology of Azad university
Buali hospital

2. Paranasal sinuses

3. Sinuses - CT brain - (bone windows)

5. Normal CT( Axial and coronal view )

6. Maxillary sinuses - CT brain - (Axial
view )
 Mucosal thickening is a very common
incidental finding

7. Abnormal sinus CT( coronal view )

8. Chronic sinusitis ( Axial view )
Abnormal Normal

9. Acute sinusitis

10. Retention cyst
Retension cyst Chronic Rhinosynositis

11.  Maxillary and ethmoidal sinusitis are
seen in the coronal section of
paranasal CT

12. Ethmoidal Sinusitis
 Shows bilateral partial opacification of
ethmoid sinuses

13. Frontal sinuses - CT brain - (bone
windows)
 The frontal sinuses are highly variable
in appearance
 Many people have no frontal
sinuses (bottom image)

14. Frontal sinuses - CT brain - (bone
windows)

15. Sinuses - CT brain - (Axial view)
 The sphenoid sinus and ethmoid air
cells are continuous with the nasal
airways
 The mastoid air cells are continuous
with the middle ear

16. Sphenoid sinuses - CT brain - (bone
windows)
 The sphenoid sinus can be single or
 septated into multiple separate sinuses

17. Sphenoid sinuses - CT brain - (bone
windows)

18. Basal Skull fracture
 In the context of trauma, a fluid level
in the sphenoid sinus may be a sign of
a basal skull fracture