Case Study: Bone ¹

SPECT Acquisition Parameters

WB

Time per View (sec): 150
Table Speed (cm/min): 22.5
Evolution 2D
Zoom: 1
Energy Window: 20%
ASMNL Filter: Yes

SPECT-CT Acquisition Parameters

SPECT

# of View: 60
# of FOV: 1
Time per View: 15
Zoom: 1
Injected Dose: 20-23 mCi HDP
Evolution: Yes
AC: Yes

CT

Voltage (kV): 120
Current (mA): 30
Pitch: 0.75
Rotation Speed (sec/Rotation): 1
Slice Thickness: 2.5
Total Acquisition Time (sec): 53
CTDIvol (mGy): 5.01
DLP (mGy*cm): 198
mSv ²: 2.97

Items of Interest

1. Image of Evolution for Planar on Optima NM/CT 640 Wholebody image quality
2. CT image quality in extremities

1. Courtesy of Dr. Ph. Declerck, Clinic Saint Jean, Belgium
2. Obtained by IRCP using an adult chest factor of 0.014*DLP

Case Study: Lymphoscintigraphy ¹

SPECT-CT Acquisition Parameters

SPECT

# of View: 60
# of FOV: 2
Time per View: 10
Zoom: 1
Evolution: No
AC: Yes

CT

Voltage (kV): 120
Current (mA): 20
Pitch: 1.25
Rotation Speed (sec/Rotation): 1
Slice Thickness: 2.5
Total Acquisition Time (sec): 62
CTDIvol (mGy): 2.01
DLP (mGy*cm): 155.3
mSv ²: 2.17

Items of Interest

1. CT image quality for localization of lymph node
2. Two FOV scan

1. Courtesy of Dr. Ph. Declerck, Clinic Saint Jean, Belgium
2. Obtained by IRCP using an adult chest factor of 0.014*DLP