Biograph truev system

Manufactured by Siemens

The Biograph TrueV system is a positron emission tomography (PET) scanner manufactured by Siemens. It is designed to capture high-quality images of the body's internal structures and functions. The system uses advanced technology to detect and measure the distribution of positron-emitting radiopharmaceuticals within the body.

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Close spelling variants of this product

Biograph Horizon TrueV FDG-PET/CT system Biograph 64 TruePoint TrueV PET/CT system Biograph 6 TrueV PET/CT system Biograph TrueV

2 protocols using biograph truev system

EANM-Guided PET/CT Imaging Protocol

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PET/CT examinations were performed as per the EANM guidelines for PET/CT tumour imaging [5 (link), 6 (link)].
Quantitative data presented in this study are EARL-compliant. Patients fasted at least 6 h before intravenous injection of ¹⁸F-FDG and were scanned on a Biograph TrueV system (Siemens Heathineers) from the skull base to the mid-thighs. A free-breathing CT acquisition (60 mAs, 130 kVp, pitch 1, and 6 × 2 mm collimation) was followed by a PET/CT acquisition with time per bed position of 160 and 220 s for normal weight (BMI ≤ 25 kg/m²) and overweight patients (BMI > 25 kg/m²), respectively.
PET/CT studies were planned to be performed 60 ± 5 min post-injection. Extraction of data from the PET/CT DICOM headers showed the following information: mean injected activity ± SD was 4 ± 0.1 MBq/kg. Mean delay between injection and acquisition ± SD was 59.3 ± 5.2 min on baseline and 4 ± 0.2 MBq/kg and 60.3 ± 5.0 min on interim TEP, respectively.
Raw data were reconstructed with point spread function (PSF) modeling (HD; TrueX, Siemens Heathineers), with 3 iterations and 21 subsets and no filtering. Matrix size was 168 × 168 resulting in voxels of 4.07 × 4.07 × 4 mm.

Oliveira M., Lasnon C., Nganoa C., Gac A.C., Damaj G, & Aide N. (2019). Comprehensive analysis of the influence of G-CSF on the biodistribution of 18F-FDG in lymphoma patients: insights for PET/CT scheduling. EJNMMI Research, 9, 79.

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PET Imaging Standardized Protocol for Tumor Evaluation

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PET studies were performed per the EANM guidelines for PET tumor imaging (12) . Patients fasted at least 6 h before receiving an intravenous injection of 18 F-FDG (mean injected dose 6 SD, 4.00 6 0.22 MBq/kg). The mean blood glucose level was 1.03 6 0.23 g/L at the time of injection. According to the EANM guidelines, all PET studies were performed after 60 6 5 min of rest in a warm room (mean delay between injection and acquisition, 61.4 6 6.5 min) on a Biograph TrueV system (Siemens Medical Solutions) with a 6-slice spiral CT component.
First, a free-breathing CT acquisition was performed using the following parameters: 60 mAs, 130 kVp, pitch of 1, and 6 • 2 mm collimation. Then, the PET emission acquisition was performed in 3dimensional mode. Patients were scanned from the base of their skull to their mid thighs, with acquisition times per bed position of 160 s for normal-weight patients (body mass index # 25 kg/m 2 ) and 220 s for overweight patients (body mass index . 25 kg/m 2 ), respectively.
Raw data were reconstructed with a PSF reconstruction algorithm (HDÁPET data reconstructed with TrueX algorithm; Siemens Medical Solutions) with 3 iterations and 21 subsets and no filtering. The matrix size was 168 • 168 voxels, which resulted in voxels of 4.07 • 4.07 • 4.07 mm. Scatter and CT attenuation correction based on the CT scan was applied.

Enilorac B., Lasnon C., Nganoa C., Fruchart C., Gac A.C., Damaj G, & Aide N. (2018). Does PET Reconstruction Method Affect Deauville Score in Lymphoma Patients?. Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 59(7).

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