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Author Question: In reference to the AP oblique with 15-20 degree medial rotation, what error is present? part is ... (Read 64 times)

viki

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on: Jul 17, 2018
In reference to the AP oblique with 15-20 degree medial rotation, what error is present?
 
 part is underrotated
  tibiotalar joint isn't open
  part is overrotated
  centering is incorrect

Question 2

When the zygoma breaks from all three points of articulation, this classifies which type of fracture?
 
 tripod
  LeForte
  Pott's
  blowout


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Brenm

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

centering is incorrect

Rationale: Proper centering should be directed to the mid ankle joint. The center point on the image correlates to an inch above the ankle joint. Although this as individual criterion may not be enough to fail an image, it can directly affect the collimated margins.

Answer to Question 2

tripod

Rationale: A tripod fracture results when the zygoma breaks from all three articulation points: the maxilla, the zygomatic arch, and the frontal bone.


viki

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Reply 2 on: Jul 17, 2018
Gracias!

LVPMS

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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