Signa excite 1.5 t hd twin speed

Manufactured by GE Healthcare

The Signa Excite 1.5 T HD Twin Speed is a magnetic resonance imaging (MRI) system designed and manufactured by GE Healthcare. It operates at a field strength of 1.5 Tesla and features a dual-speed gradient system for enhanced image acquisition capabilities.

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Lab products found in correlation

Achieva 3.0t, by Philips (1 mentions) Gemini tf 64 pet ct scanner, by Philips (1 mentions)

2 protocols using signa excite 1.5 t hd twin speed

Head and Neck MRI and PET/CT Imaging

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Head and neck MRI examinations were performed using either a 1.5 T MR system (Signa Excite 1.5 T HD Twin Speed, GE Healthcare, Milwaukee, Wisconsin) or 3.0 T MR (Achieva 3.0 T, Philips Healthcare, Best, the Netherlands).¹⁶ (link)
For PET/CT imaging, the Gemini TF 64 PET/CT scanner from Philips (the Netherlands) was employed. The 18F-FDG radiochemical purity exceeded 95%, as ensured by the HM-10 cyclotron. The 18F-FDG SUV was determined by calculating the decay corrected tissue activity (nCi/mL), divided by the injected dose of FDG (nCi) and the patient’s body weight (g). We defined SUVmax-T and SUVmax-N as the maximum SUV of the primary tumor and the regional lymph nodes, respectively.

Ding J., Chen J., Lin Y., Hong J., Huang C., Fei Z, & Chen C. (2023). Significance of radiologic extranodal extension in locoregionally advanced nasopharyngeal carcinoma with lymph node metastasis: a comprehensive nomogram. Brazilian Journal of Otorhinolaryngology, 90(2), 101363.

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Head and Neck MRI Protocol for Tumor Imaging

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A head and neck MRI session was conducted according to accepted protocols, on a 1.5T MR system (Signa Excite 1.5T HD Twin Speed, GE Healthcare, Milwaukee, WI), which scanned from the lower temporal lobe to the supraclavicular. Before any antitumor treatments, all patients were subjected to the following 5 standard sequences: axial T1-weighted imaging-fast spin echo (Ax T1WI-FSE), axial proton density-weighted imaging (Ax PDWI) or axial T2-weighted imaging with short TI inversion recovery (Ax T2WI-STIR), coronal T2-weighted imaging with STIR (Cor T2WI-STIR), sagittal T1-weighted imaging-fast spin echo (Sag T1WI-FSE), and post–contrast-enhanced acquisition of axial and coronal T1WI-FSE with fat suppression (fs) (Ax and Cor T1WI-FSE fs +C). All acquired MR images were reinterpreted independently by 2 radiology specialists in head and neck MRI, who had 8 and 10 years of experience, respectively. Any disagreements were resolved by consensus.

Xiao Y., Pan J., Chen Y., Lin S., Zong J., Chen Y, & Fang Y. (2015). The Prognosis of Nasopharyngeal Carcinoma Involving Masticatory Muscles: A Retrospective Analysis for Revising T Subclassifications. Medicine, 94(4), e420.

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