Question
Identify the point ‘3’ in this X ray.
| A. |
Frontal Sinus
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| B. |
Ethmoid Sinus
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| C. |
Cavernous Sinus
|
| D. |
Lesser wing of the sphenoid
|
Show Answer
|
Correct Answer � D
Explanation
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|
Ans:D.)Lesser wing of the Sphenoid.
Image shows:
X ray Paranasal Sinus:Caldwell View:1, Superior orbital fissure. 2, Greater wing of sphenoid. 3, Lesser wing of sphenoid. 4, Frontal sinus. 5, Petrous bone.
Caldwell’s view (or Occipitofrontal view) is a radiographic view of skull, where X-ray plate is angled at 20° to orbitomeatal line. The rays pass from behind the head and are perpendicular to radiographic plate. It is commonly used to get better view of frontal sinuses.
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