Signa excite hd twinspeed

Manufactured by GE Healthcare

Sourced in United States

The Signa Excite HD Twinspeed is a magnetic resonance imaging (MRI) system designed and manufactured by GE Healthcare. It is capable of performing high-quality MRI scans with enhanced speed and efficiency.

Automatically generated - may contain errors

Lab products found in correlation

Sliceomatic software, by Tomovision (1 mentions)

6 protocols using signa excite hd twinspeed

Multiparametric MRI Protocol for Thyroid Evaluation

Check if the same lab product or an alternative is used in the 5 most similar protocols

Imaging was carried out on a 1.5 T MR (Signa Excite HD Twinspeed, GE Healthcare, USA) using a four-channel array coil, by conventional MRI sequences and transverse single shot echo-planar DWI (b values, 0 and 400 s/mm²). The main parameters of MRI sequences are presented in Table 2.Table 2

Main scan parameters and sequences for thyroid gland evaluation

MR Imaging Sequence	TR (ms)	TE (ms)	FOV (mm²)	Matrix	Slice Thickness(mm)	Spacing (mm)	NEX	Number of Slices
Axial T₁WI	520	14	200 × 200	320 × 192	4	0.5	3	12~14
Axial T₂WI	3500	102	200 × 200	320 × 224	4	0.5	4	12~14
Coronal T₁WI	550	11.1	240 × 240	320 × 224	3	0.5	4	12~14
Coronal T₂WI	3000	102	240 × 240	320 × 224	3	0.5	4	12~14
Axial DWI (b = 0, 400 s/mm²)	6000	60.1	200 × 200	128 × 128	4	0.5	4	12~14

Zhou X., Ma C., Wang Z., Liu J.L., Rui Y.P., Li Y.H, & Peng Y.F. (2019). Effect of region of interest on ADC and interobserver variability in thyroid nodules. BMC Medical Imaging, 19, 55.

+ Open protocol

+ Expand

Cardiac MRI Acquisition Protocol

Check if the same lab product or an alternative is used in the 5 most similar protocols

All CMR examinations were performed on 1.5 T and 3.0 T scanners (GE Signa Excite
HD Twinspeed), with a maximum gradient strength of 33 mT/m and a slew rate of
120 mT/m/s. An 8-channel phased-array coil was used for signal reception, and
vector electrocardiography was used for cardiac gating. Electrocardiogram-gated
steady-state free precession cine sequences were acquired during brief periods
of breath-holding in 12- to 13-s equidistant short-axis planes (Axi) completely
covering the LV. The parameters of steady-state free precession were as follows:
8-mm thickness, 1- to 2-mm gap, 360 × 320 mm field of view, and 140 × 140 matrix
size. Long-axis images (apical four-chamber [4-ch] and two-chamber [2-ch]) were
used for subsequent analysis.

Yu Y., Yu S., Tang X., Ren H., Li S., Zou Q., Xiong F., Zheng T, & Gong L. (2017). Evaluation of left ventricular strain in patients with dilated cardiomyopathy. The Journal of International Medical Research, 45(6), 2092-2100.

+ Open protocol

+ Expand

Quantifying Trunk and Thigh Muscle CSAs

Check if the same lab product or an alternative is used in the 5 most similar protocols

Magnetic resonance imaging (MRI) scans of trunk and thigh muscles were performed using a 1.5 T imager (Signa Excite HD Twin Speed; GE Healthcare, Waukesha, WI, USA). A set of T2-weighted single-shot fast spin echo images (TR/TE [reaction time/echo time] =∞/90 ms, FOV [field of view] =38 cm, slice thickness =8 mm with 3 mm interval, matrix size =288×192) was obtained for the abdomen centered at the L3–L4 disc space level. The CSAs of musculus (m) psoas major, m rectus abdominis, spinal muscle, and m anterolateral abdominal (obliquus internus abdominis, obliquus externus abdominis, and transversus abdominis) were determined from a single-shot fast spin echo image. Subsequently, a set of T2-weighted fast spin echo images (TR/TE =4,000/90 ms, FOV =30 cm, slice thickness =8 mm with 3 mm interval, matrix size =320×224) taken at the half-way point of the femur (between the superior border of the patella and the greater trochanter) was used to measure the CSA of the quadriceps femoris and hamstring muscle. The obtained Digital Imaging and COmmunication in Medicine (DICOM) images were analyzed with Slice-O-Matic software (Tomovision, Quebec, Canada). The average CSA of the left and right muscles was used for further statistical analysis.

Osawa Y., Azuma K., Tabata S., Katsukawa F., Ishida H., Oguma Y., Kawai T., Itoh H., Okuda S, & Matsumoto H. (2014). Effects of 16-week high-intensity interval training using upper and lower body ergometers on aerobic fitness and morphological changes in healthy men: a preliminary study. Open Access Journal of Sports Medicine, 5, 257-265.

+ Open protocol

+ Expand

Magnetic Resonance Imaging Protocol for Brain Examination

Check if the same lab product or an alternative is used in the 5 most similar protocols

All the patients underwent 1.5 T MRI examination (GE Signa Excite HD twinSpeed). The MRI sequences included T1-w spin-echo images (TR/TE: 500/8 ms, FOV = 22 × 22 cm, NEX = 2.0, slice thickness = 4 mm, interslice gap = 0.8 mm), axial T2-w spin-echo images (TR/TE: 5000/8 ms, FOV = 22 × 22 cm, NEX = 2.0, slice thickness = 4 mm, spacing = 1.0 mm, interslice gap = 0.8 mm), and axial CET1-w spin-echo images (TR/TE: 500/8 ms, FOV = 22 × 22 cm, NEX = 2.0, slice thickness = 4 mm, interslice gap = 0.8 mm). Bolus injection of contract agent (0.1 mmol/kg body weight; Magnevist, Schering, Berlin, Germany) was conducted before CET1-w imaging.

Zhang B., Lian Z., Zhong L., Zhang X., Dong Y., Chen Q., Zhang L., Mo X., Huang W., Yang W, & Zhang S. (2020). Machine-learning based MRI radiomics models for early detection of radiation-induced brain injury in nasopharyngeal carcinoma. BMC Cancer, 20, 502.

+ Open protocol

+ Expand

Magnetic Resonance Imaging of Kidneys

Check if the same lab product or an alternative is used in the 5 most similar protocols

Magnetic resonance imaging examinations were performed using a 1.5-T MR imaging system (TwinSpeed Signa EXCITE HD; GE Healthcare, Milwaukee, WI, USA). The gradient strength of the magnet was 23 mT/m. Patients were imaged in the supine position using a surface phased-array coil. All subjects underwent respiratory axial DW-MRI with b values of 0 and 800 s/mm², based on our previous study.[13 (link)] The parameters were as follows: Repetition time/time to echo, 5400/50–60 ms; flip angle, 90°; field of view (FOV), 36–40 cm; matrix, 128 × 128; section thickness, 5 mm; intersection gap, 1 mm; DW gradient, all directions; NE × 4. Next, the scanning direction was adjusted to the coronal plane, and the kidneys were placed centrally in the FOV. Coronal DW-MRI was also performed with b values of 0 and 800 s/mm², an FOV of 48 × 48 cm and the same remaining parameters.

Wang H.Y., Wang J., Tang Y.H., Ye H.Y, & Ma L. (2015). Coronal Diffusion-weighted Magnetic Resonance Imaging of the Kidney: Agreement with Axial Diffusion-weighted Magnetic Imaging in Terms of Apparent Diffusion Coefficient Values. Chinese Medical Journal, 128(4), 499-503.

+ Open protocol

+ Expand

Multimodal MRI Assessment of Uterine Leiomyomas

Check if the same lab product or an alternative is used in the 5 most similar protocols

A series of standard T1-weighted imaging, T2-weighted imaging and enhanced T1-weighted imaging were performed in all patients with a 1.5-T clinical MR system (TwinSpeed Signa EXCITE HD; GE Healthcare, Milwaukee, WI, USA) before and after treatment within 5 days.
The number, size and location of the uterine leiomyomas were analyzed by MRI. Uterine leiomyomas were classified as three types on pretreatment T2-weighted MRI14 (link): (1) hypointense, signal intensity like skeletal muscle; (2) isointense, signal intensity is lower than myometrium but higher than that of skeletal muscle; (3) hyperintense, signal intensity is the same as or higher than myometrium.
Uterine leiomyomas were classified as slight enhancement, homogeneous enhancement and inhomogeneous enhancement relative to myometrium on the basis of dynamic contrast-enhanced MRI (ceMRI): (1) Slight enhancement is that the enhancement degree was lower than that of myometrium; (2) homogeneous enhancement is defined as that of the distribution of enhanced signal is homogeneous and the enhanceement degree is the same as or higher than that of myometrium; (3) inhomogeneous enhancement is that the distribution of enhanced signal is inhomogeneous and slightly enhanced signal is interspersed among enhanced signal.

Xia M., Jing Z., Zhi-yu H., Yu Y., Yan-li H., Chang-tao X., Rui-fang X., Bing-song Z, & Bao-wei D. (2014). Research of dose-effect relationship parameters of percutaneous microwave ablation for uterine leiomyomas - a quantitative study. Scientific Reports, 4, 6469.

+ Open protocol

+ Expand

About PubCompare

Our mission is to provide scientists with the largest repository of trustworthy protocols and intelligent analytical tools, thereby offering them extensive information to design robust protocols aimed at minimizing the risk of failures.

We believe that the most crucial aspect is to grant scientists access to a wide range of reliable sources and new useful tools that surpass human capabilities.

However, we trust in allowing scientists to determine how to construct their own protocols based on this information, as they are the experts in their field.

Ready to get started?

Revolutionizing how scientists
search and build protocols!