Learning Center for Medical Imaging

Check out these introductory online training sessions to get you started in Metron! Plus there are Guided Mark-Up training videos for the Chiropractic field.

 

Guided Mark-Up for Podiatry also available in Metron-MD 7.20. 

 

Information below lists the Guided Mark-Up measurements available in Metron-MD referencing lateral cervical and lumbar spine measurements.

 

Guided Mark-Up | Lateral Cervical Radiograph

Note that for proper interpretation of these measures, the patient must be positioned appropriately. Here are some brief notes and comments on each of the measures:

 

Atlas Angle: The angle that the major axis of C1 (from this aspect) makes with the horizontal.

Atlas/Axis Angle: The perpendicular to the posterior side of the C2 body is constructed, and the angle between this constructed line and the major axis of C1.

Atlas/Skull Angle: The angle between a line at the base of the skull (at the level of the foramen magnum) and the major axis of C1.

Click here for complete list of measurements.

 

Guided Mark-Up | Lateral Lumbar Radiograph

Note that for proper interpretation of these measures, the patient must be positionedappropriately. Here are some brief notes and comments on each of the measures:

 

George’s Deviation: George’s line is the curve created by connection points chosen on the posterior sides of all vertebral bodies. According to some literature (based on the “Harrison Spine Model”) suggests that in the ideal case these points lie on a smooth curve which is a section of an ellipse with certain major-to-minor axis ratio. Metron’s “George’s Deviation” parameter is a sum of all the offsets from this perfect elliptical arc. A perfect value would be zero (0.0) meaning that all points lie on the ideal elliptical arc.The higher the value of this parameter, the more deviation there is from a circular arc.

Jackson’s Angle: The angle between two constructed lines: one at the posterior of of L1, and the other at the posterior of the body of L5.

Click here for complete list of measurements.

 

Click here to begin an online training session specifically designed to walk you through the steps for each lateral lumbar measurement supported by Metron.

 

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