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Author Question: How can proper degree of medial rotation for an AP oblique with mortise rotation be determined? the ... (Read 104 times)

jazziefee

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on: Jul 17, 2018
How can proper degree of medial rotation for an AP oblique with mortise rotation be determined?
 
 the leg and foot are rotated until the intermalleolar line is perpendicular to the image receptor
  the leg and foot are medially rotated exactly 20 degrees
  the leg and foot are rotated until the intermalleolar line is parallel to the image receptor
  the malleoli are perpendicular to the image receptor

Question 2

Which sinus cavities are of most interest on the SMV sinus?
 
 frontal and maxillary
  frontal and ethmoid
  sphenoid and frontal
  ethmoid and sphenoid


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GCabra

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Reply #1 on: Jul 17, 2018
Answer to Question 1

the leg and foot are rotated until the intermalleolar line is parallel to the image receptor

Rationale: The mortise oblique requires the foot to remain in a natural position. The leg and foot are medially rotated until the intermalleolar line is parallel to the image receptor, which could be approximately 15-20 degrees.

Answer to Question 2

ethmoid and sphenoid

Rationale: The ethmoid and sphenoid sinuses are of interest on the SMV sinus.


jazziefee

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Reply 2 on: Jul 17, 2018
Excellent

LVPMS

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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