8 channel abdominal array

Manufactured by Bayer

The 8-channel abdominal array is a medical imaging device designed for abdominal examinations. It features 8 individual channels to capture detailed images of the abdominal region. The device is used in conjunction with compatible imaging systems to provide healthcare professionals with diagnostic information.

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Lab products found in correlation

Endorectal coil, by Bayer (2 mentions) 3t mr scanner, by GE Healthcare (1 mentions) Signa hdx 3.0t magnet, by GE Healthcare (1 mentions)

2 protocols using 8 channel abdominal array

Dynamic Contrast-Enhanced MRI Protocol for Prostate Cancer Evaluation

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DCE-MR images of 22 patients diagnosed with prostate cancer were acquired on a 3T MR scanner (GE Healthcare, Waukesha, WI)
using a combination of 8-channel abdominal array and endorectal coil (Medrad, Pittsburgh, PA). DCE MRI utilized a 3D SPGR
sequence with TE/TR = 3.6/1.3 ms, flip angle = 15̊, image matrix = 256 ×256, FOV = 26×26 cm², slice thickness = 6 mm,
number of measurements = 60 at 5 sec/volume, number of slices = 12 and 16. At first, five baseline dynamic scans were performed
before the injection of contrast agent and the subsequent scans started immediately after the injection of 3 mL/sec of Gadolinium,
followed by 20 ml saline flush at the same rate. The database was provided by QIN Prostate database of The Cancer Imaging Archive (TCIA)[15 (link)].

Navaei Lavasani S., Mostaar A, & Ashtiyani M. (2018). Automatic Prostate Cancer Segmentation Using Kinetic Analysis in Dynamic Contrast-Enhanced MRI. Journal of Biomedical Physics & Engineering, 8(1), 107-116.

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Multiparametric MRI Acquisition Protocol

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All MR imaging exams were performed on a GE Signa HDx 3.0T magnet (GE Healthcare, Waukesha, WI) using a combination of 8-channel abdominal array and endorectal coil (Medrad, Pittsburgh, PA). The multiparametric protocol [18 (link)] included T₁- and T₂-weighted imaging, diffusion weighted imaging (b=500,1400), and DCE MRI. DCE-MRI utilized a 3D SPGR sequence with TR/TE/α = 3.6 ms/1.3 ms/15°, FOV = 26×26 cm², with full gland coverage and an interpolated voxel size of 1×1×6 mm³. Axial frames were acquired at approximately 5-second intervals to achieve a clinically appropriate compromise between spatial and temporal resolution. Gadopentetate dimeglumine (Magnevist, Berlex Laboratories, Wayne, New Jersey) was injected intravenously into an antecubital vein using a syringe pump (0.15 mmol/kg; rate 3ml/sec), followed by 20ml saline flush. The protocol included ~5 baseline scans prior to contrast injection for estimation of baseline signal intensities.

Fennessy F.M., Fedorov A., Penzkofer T., Kim K.W., Hirsch M.S., Vangel M.G., Masry P., Flood T.A., Chang M.C., Tempany C.M., Mulkern R.V, & Gupta S.N. (2015). Quantitative pharmacokinetic analysis of prostate cancer DCE-MRI at 3T: Comparison of two arterial input functions on cancer detection with digitized whole mount histopathological validation. Magnetic resonance imaging, 33(7), 886-894.

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