xCount

Focus on what's best for your patient and investigation

With ×Count, you can take advantage of quantification even on investigations that involve dynamic, short-lived tracers.

Supporting stability across count rates


The Ingenuity TF PET/CT uses high-throughput acquisition hardware that expands its count-rate capabilities, with improved linearity at high count rates. Thanks to ×Count, the system is stable across count rates (low to high), so you can perform dynamic imaging with a wide range of tracers including (82Rb) Rubidium chloride.

The TOF technology available on the Ingenuity TF PET/CT provides improved signal-to-noise ratio in the reconstructed images in addition to better count rate performance and better randoms rejection over non-TOF PET.

Dynamic imaging with a wide range of tracers


Myocardial perfusion scan using (82Rb) Rubidium chloride

Image courtesy of the University Hospital Cleveland, USA
C-11
N-13
O-14
O-15
F-18
Na-22
K-38
Ti-45
Mn-52m
Cu-60
Cu-61
Cu-62
Zn-62
Cu-64
Ga-66
Ga-68
Ge-68
Br-75
Br-76
Br-77
Rb-82
Y-86
Tc-94m
I-124

xCount in action - performance evaluation*

Parameters:

  • Timing
  • Energy resolution
  • Dead time
  • Linearity of image
    activity concentration

Results:

  • NEMU NU peak true countrate: 365 kcps at 35 kBq/mL
  • Range of activity at which the NECR was above 90% of its peak value spanned 368 MBq (from 241 to 609 MBq)

Conclusion:

  • System performance is suitable for application in high-count-rate PET application
*Kolthammer J., et. al. Performance evaluation of the Ingenuity TF PET/CT scanner with a focus on high count-rate conditions.
Physics in Medicine and Biology. 2014;59:3843-59
This system helps us work with a variety of tracers in a cost-effective way. A lot of my brain studies use [18F]-FDG, but other radiopharmaceuticals can shed light on different neurological conditions.”

Prof. Dr. Maria Santiago Ribeiro

Head of Nuclear Medicine, Hôpital Bretonneau, Centre Hospitalier Régional Universitaire de Tours, France

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Want to learn more about how research and clinical routines can benefit from xCount and the entire xPand5 technology suite?

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