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RadMaster
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PostPosted: Fri May 19, 2006 11:19 pm    Post subject: Radiologic Positioning Question Reply with quote

What is the proper tube angle for a Townes view of the skull done with the IOML perpendicular to the image receptor?
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CTDave
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PostPosted: Sun May 21, 2006 10:40 pm    Post subject: Re: Radiologic Positioning Question Reply with quote

CR is angled 30 degrees caudal, exiting the occipital protuberance.


Semiaxial AP projection of the skull demonstrates the petrous pyramids of the temporal bone, the foramen magnum, dorsum sellae, posterior clinoid processes, occipital bone, and posterior portion of the parietal bones.


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RadMaster
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PostPosted: Thu May 25, 2006 9:00 pm    Post subject: Re: Radiologic Positioning Question Reply with quote

That describes the OML perpendicular version but the question refers to the 37 degree option...

CTDave wrote:
CR is angled 30 degrees caudal, exiting the occipital protuberance.


Semiaxial AP projection of the skull demonstrates the petrous pyramids of the temporal bone, the foramen magnum, dorsum sellae, posterior clinoid processes, occipital bone, and posterior portion of the parietal bones.


Right Question

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CTDave
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PostPosted: Wed Jun 07, 2006 10:02 pm    Post subject: Re: Radiologic Positioning Question Reply with quote

Thanks RadMaster Embarassed
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