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Author Question: What is a post processing function that improves visibility of small and high contrast structures? ... (Read 102 times)

vinney12

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on: Jul 17, 2018
What is a post processing function that improves visibility of small and high contrast structures?
 
 imaging stitching
  subtraction
  edge enhancement
  black/white reversal

Question 2

The AP knee for a sthenic patient requires the central ray to be directed:
 
 5 degrees cephalic to the femorotibial joint
  10 degrees cephalic to the femorotibial joint
  perpendicular to the femorotibial joint
  3-5 degrees caudal to the femorotibial joint


johnharpe

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

edge enhancement

Rationale: Edge enhancement improves visibility of small, high contrast structures.

Answer to Question 2

perpendicular to the femorotibial joint

Rationale: The sthenic patient measures between 18-24 cm from the ASIS to the tabletop which elevates the patient's leg, positioning the tibial plateau perpendicular to the image receptor. Therefore, the CR is directed perpendicular through the femorotibial joint.


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