A PA Modified Waters would require the OML to form a ___ angle to the IR.

Which of the images below correctly demonstrates placement of the petrous ridges for a PA Caldwell for Orbits?        (IMAGE A)   40a.jpg               (IMAGE B)     40b.png                           

In the image below, what anatomy is labeled E? 43(2).jpg

The CR angulation for the AP Axial Skull projection (reverse of a Caldwell) is:

On average, there is a ___ angle difference between the OML and IOML.

The long axis of the orbit is projected obliquely at ___ to the MSP, and superiorly at ___ from the OML.

When positioning for a PA skull, which of the following is used for accurate positioning?

Cryptorchidism is associated with increased risk of malignancy in the affected testis.

A sinus series would include all of the projections below except:

The petrous ridge and petrous portions are parts of which cranial bone?