Lunar DPX-IQ, Operator'S Manual, Page: 33 / 166

DPX-IQ Operator’s Manual Basic Procedures 2-7
2.4.1 Select Patient Scan File
1. At the Options screen, select
$
. The Patient Directory screen is shown.
2. Select the patient name. Select
!
.
3. Select the patient scan for analysis. Select
!
. The Mandatory Information screen
is shown.
4. Make sure the mandatory information is correct. If necessary, refer to section 2.3.4 to
update the information.
5. Select
!
. The Bone Results screen shows the scan image.
6. Continue the analysis procedure as specified in appendixes A thru G.
2.4.2 Adjust the Scan Image
Use the program to get the best image quality possible. Placement of ROIs around
bone edges is easier if the image quality is good.
At the Bone Results screen, select
#
to access the Image Values screen. The Image
Values screen shows the options that follow. After you select an option, select
&
to
change the image.
Type
The options for Type are Bone and Soft. Bone shows a skeletal image and Soft shows
a soft tissue image. Soft is an option for the Total Body scan type only.
Filtering
Filtering smoothes grey scale image values so bone edges and intervertebral spaces
are easy to see. The default setting for filtering is Smoothed.
NOTE: The Enhanced filtering option is given for Hi-Res scan modes only.
Interpolation
Interpolation smoothes the grey scale pixel values for a scan image. Interpolation
makes a difference in image quality when the scaling factor is greater than 100%. The
default setting for all scan types is On.
Scaling Factor
Scaling Factor lets you enlarge or reduce the size of a scan image. The default setting
is 100%.
Centering
Centering lets you enlarge and center part of the scan image in the scan window. In
addition, you can reduce the image.
1. Make sure Centering is highlighted on the screen.
2. Select 1. Use the arrow keys to move the center of the grid to the area of the scan
image to be centered.