SOMATOM Force

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SOMATOM Force
 
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Body


Thoraco-Abdominal Imaging

With the new Vectron tube, TAVI planning in a heavy patient with chronic kidney disease (shrunken kidney) can be performed at only 90 kV. The increased contrast-to-noise ratio allows the reduction of contrast media down to 40 ml. Due to the minimal renal strain, the patient can soon undergo his subsequent minimal invasive procedure.

Collimation: 2 x 192 x 0.6 mmTube settings: 90 kV, 194 mAs
Spatial resolution: 0.24 mmDLP: 334 mGy cm
Scan time: 1.44 sCTDIvol: 4.4 mGy
Scan length: 727 mmContrast media: 40 mL
Rotation time: 0.25 sEff. dose: 5.0 mSv

(Image: Medical Faculty Mannheim at Heidelberg University, Mannheim, Germany)


Thoracic Imaging

In this obese patient, suffering from dyspnea (shortness of breath), Turbo Flash scanning allowed to perform the examination without a breathhold command or the patient holding his breath. Maximizing the contrast-to-noise ratio at 70 kV shows great vessel contrast while preserving softtissue contrast – with a contrast media dose of only 30 mL.

Collimation: 2 x 192 x 0.6 mmTube settings: 70 kV, 633 mAs
Spatial resolution: 0.24 mmDLP: 83 mGy cm
Scan time: 0.7 sCTDIvol: 2.38 mGy
Scan length: 294 mmContrast media: 30 mL
Rotation time: 0.25 sEff. dose: 1.2 mSv

(Image: Medical Faculty Mannheim at Heidelberg University, Mannheim, Germany)


Thoracic Imaging

A 140 kg patient was scanned with Cardiac Turbo Flash mode at only 100 kV and 40 ml contrast media. The left main and the left anterior descending artery are shown without artifacts from motion or photon starvation. The new mode allows a pitch-dependent field of view, ranging from 35 to 50 cm, and is suitable for patients up to 220 kg.

Collimation: 2 x 192 x 0.6 mmTube settings: 100 kV, 581 mAs
Spatial resolution: 0.24 mmCTDIvol: 5,76 mGy
Scan time: 0.2 sDLP: 99 mGy cm
Scan length: 125 mmContrast media: 40 mL
Rotation time: 0.25 sHR independent Temp resolution: 66 ms
Eff. dose: 1.7 mSv 

(Image: Medical Faculty Mannheim at Heidelberg University, Mannheim, Germany)


Thoracic Imaging

The new 90/150 kV Sn mode and a 35 cm field of view allow for obese DE examinations (male, 48 years, 100 kg). The new Selective Photon Shield II increases energy separation by 30%. This combination expands DE information also to challenging patients for more precise tissue and material decomposition.

Collimation: 2 x 192 x 0.6 mmTube settings: 90/150 kV Sn, 104/76 mAs
Spatial resolution: 0.24 mmCTDIvol: 5.54 mGy
Scan time: 3.6 sDLP: 187 mGy cm
Scan length: 309 mmEff. dose: 2.6 mSv
Rotation time: 0.25 s 

(Image: Medical Faculty Mannheim at Heidelberg University, Mannheim, Germany)


Cardio-Vascular


Peripheral Imaging

Thanks to the new Vectron tube, 70 kV imaging is also applicable with the Adaptive 4D Spiral Plus. The combination with the Adaptive Dose Shield allows for the coverage of long ranges at very low doses. In this dialysis patient (dialysis shunt), a high-grade stenosis could be safely identified with only 20 mL of contrast media.

Collimation: 192 x 0.6 mmTube settings: 70 kV, 80 mAs
Spatial resolution: 0.24 mmDLP: 1,404 mGy cm
Scan time: 47 sCTDIvol: 23.57 mGy
Scan length: 433 mmEff. dose: 1.1 mSv
Rotation time: 0.25 s 

(Image: Medical Faculty Mannheim at Heidelberg University, Mannheim, Germany)


Cardio-Vascular Imaging

A SOMATOM® Force coronary CTA shows the noninvasive diagnosis of a patent stent at 70 kV and 0.24 mm spatial resolution. With the new cardiac Turbo Flash mode, higher intravascular contrast at lower radiation doses are possible. Thus making this mode the first choice for the detection of early signs of coronary heart disease.

Collimation: 2 x 192 x 0.6 mmTube settings: 70 kV, 628 mAs
Spatial resolution: 0.24 mmDLP: 31 mGy cm
Scan time: 0.18 sCTDIvol: 1,77 mGy
Scan length: 144 mmHR independent Temp resolution: 66 ms
Rotation time: 0.25 sEff. dose: 0.4 mSv

(Image: Medical Faculty Mannheim at Heidelberg University, Mannheim, Germany)


Cardio-Vascular Imaging

Turbo Flash coronary CT angiographic imaging at ultra low dose for the evaluation coronary stenosis. One stenosis can be seen in the right coronary artery (RCA) and the other lesions are seen in the left anterior descending artery (LAD). Both at a spatial resolution of up to 24 lp/cm due to the new Vectron tube in combination with StellarInfinity detector of the SOMATOM Force.

Collimation: 2 x 192 x 0.6 mmTube setting: 80 kV, 543 mAs
Spatial resolution: 0.24 mmCTDIvol: 2.49 mGy
Scan time: 0.2 sDLP: 45 mGy cm
Scan length: 139 mmEff. dose: 0.6 mSv
Rotation time: 0.25 s

(Images: Medical Faculty Universitaets-Spital Zuerich, Zuerich, Switzerland)


Cardio-Vascular Imaging

Thanks to Turbo Flash mode, this adult male was scanned at 70 kV without breath-hold. At an ultra-low dose of only 0.3 mSv, this scan was used for ruling out coronary heart disease.

Collimation: 2 x 192 x 0.6 mmTube setting: 70 kV, 538 mAs
Spatial resolution: 0.24 mmCTDIvol: 1.78 mGy
Pitch: 3.2DLP: 26 mGy cm
Scan time: 0.2 sBody weight: 78 kG
Scan length: 141 mmEff. dose: 0.3 mSv
Rotation time: 0.25 s

 w/o breath hold

(Images: Medical Faculty Mannheim at Heidelberg University, Mannheim, Germany)


Thoraco-Abdominal Imaging

In this patient suffering from renal atrophy, Turbo Flash Spiral for TAVI planning made possible a scan with a contrast media dose of only 40 mL (400 mgl/mL). The image was acquired without breath-hold at an effective dose of 4.7 mSv.

Collimation: 2 x 192 x 0.6 mmTube setting: 100 kV, 474 mAs
Spatial resolution: 0.24 mmCTDIvol: 4,7 mGy
Pitch: 3.2DLP: 26 mGy cm
Scan time: 0.86 sContrast media: 40 mL
Scan length: 636 mmEff. dose: 4.7 mSv
Rotation time: 0.25 s 

 w/o breath hold

(Images: Medical Faculty Mannheim at Heidelberg University, Mannheim, Germany)


Thoraco-Abdominal Imaging

The SOMATOM Force shows an aortic CTA in an adult patient with renal atrophy. With Turbo Flash Spiral Scanning it was possible to use only 40 ml of contrast media (400 mgl/mL).

Collimation: 192 x 0.6 mmTube setting: 80 kV, 184 mAs
Spatial resolution: 0.24 mmCTDIvol: 4,7 mGy
Pitch: 2.4DLP: 132 mGy cm
Scan time: 0.76 sContrast media: 40 mL
Scan length: 426 mmEff. dose: 1.9 mSv
Rotation time: 0.25 s 

 w/o breath hold

(Images: Medical Faculty Mannheim at Heidelberg University, Mannheim, Germany)


Peripheral Imaging

For preprocedural planning, this 70 kV dynamic 4D angiography scan of the lower limb shows enhanced soft-tissue contrast. The SOMATOM Force allows scan lengths of up to 80 cm and even reveals lesions that are typically detected with MR.

Collimation: 192 x 0.6 mmTube setting: 70 kV, 90 mAs
Spatial resolution: 0.24 mmCTDIvol: 15.9 mGy
Scan time: 16 sDLP: 950 mGy cm
Scan length: 634.5 mmContrast media: 30 mL
Rotation time: 0.25 sEff. dose: 0.8 mSv

(Images: Medical Faculty Mannheim at Heidelberg University, Mannheim, Germany)


Peripheral Imaging

A non-dynamic run-off study of this patient suggests an occlusion of a. tibialis anterior. However, a 70 kV dynamic 4D angiography scan with only 30 mL of contrast media (400mgl/mL) shows the vessel to be patent, thus sparing the patient a complicated bypass procedure.

Collimation: 2 x 192 x 0.6 mmTube setting: 110 kV, 41 mAs
Spatial resolution: 0.24 mmCTDIvol: 2.15 mGy
Scan time: 9 sDLP: 279 mGy cm
Scan length: 1,248.8 mmContrast media: 30 mL @ 5 ml/s
Rotation time: 0.5 sEff. dose: 1.5 mSv

 

Low kV 4D imaging, at low contrast media usage, in the same patient shows patent vessel thus changing clinical management (only a stent in the occluded common iliac a. is required)

Collimation: 192 x 0.6 mmTube setting: 70 kV, 140 mAs
Spatial resolution: 0.24 mmCTDIvol: 28.83 mGy
Scan time: 47 sDLP: 1,739 mGy cm
Scan length: 612 mmContrast media: 30 mL
Rotation time: 0.25 sEff. dose: 1.4 mSv

(Images: Medical Faculty Mannheim at Heidelberg University, Mannheim, Germany)


Thoraco-Abdominal Imaging

A young female patient with acute chest pain and suspicious aortic dissection received a quick 0.7 s triple-rule out Turbo Flash CT. It revealed the extension of a very long dissection with the left kidney being supplied from the false lumen. The scan was performed with a dose of 2.7 mSv with a single, low quantity, contrast injection.

Collimation: 2 x 192 x 0.6 mmTube setting: 90 kV, 398 mAs
Pitch: 3.2CTDIvol: 281 mGy
Scan time: 0.7 sDLP: 177 mGy cm
Scan length: 591 mmEff. dose: 2.7 mSv
Rotation time: 0.25 s 

(Images: University Hospital LMU, Großhadern,Munich, Germany)


Neurology


Head and Neck Imaging

SOMATOM Force shows whole brain perfusion in stroke imaging of up to 22 cm, where Volume Perfusion CT reveals left Internal carotid artery occlusion.

Collimation: 48 x 1.2 mmTube setting: 70 kV, 181 mAs
Spatial resolution: 0.24 mmCTDIvol: 74.74 mGy
Scan time: 44 sDLP: 1,537 mGy cm
Scan length: 220 mmContrast media: 40 mL
Rotation time: 0.25 sEff. dose: 4.7 mSv
Temporal resolution.: 1.5 s 

(Images: Medical Faculty Mannheim at Heidelberg University, Mannheim, Germany)


Head and Neck Imaging

At only 0.3 mSv dose and without UHR comb, the ultra-high resolution of the new measuring system visualizes mastoid cochlear and inner ear structures in a very detailed and unseen fashion.

Collimation: 64 x 0.6 mmTube setting: 130 kV, 97 mAs
Spatial resolution: 0.24 mmCTDIvol: 16.23 mGy
Scan time: 4.5 sDLP: 141 mGy cm
Scan length: 73 mmEff. dose: 0.3 mSv
Rotation time: 0.25 s 

(Images: Medical Faculty Mannheim at Heidelberg University, Mannheim, Germany)


Head and Neck Imaging

SOMATOM Force head imaging shows excellent low contrast detectability for enhanced grey-white matter differentiation (head non-contrast media).

Collimation: 64 x 0.6 mmTube setting: 120 kV, 212 mAs
Spatial resolution: 0.24 mmCTDIvol: 37.63 mGy
Scan time: 13.5 sDLP: 601 mGy cm
Scan length: 147 mmEff. dose: 1.3 mSv
Rotation time: 1.0 s 

 

Collimation: 64 x 0.6 mmTube setting: 120 kV, 203 mAs
Spatial resolution: 0.24 mmCTDIvol: 36.02 mGy
Scan time: 15 sDLP: 650 mGy cm
Scan length: 162 mmEff. dose: 1.4 mSv
Rotation time: 1.0 s 

(Images: Medical Faculty Mannheim at Heidelberg University, Mannheim, Germany)


Oncology


Abdominal Imaging

This liver perfusion study, with a liver metastasis, was acquired with the new StellarInfinity detector and the Adaptive 4D Spiral Plus, in combination with the Adaptive Dose Shield. Prior to targeted therapy, the baseline blood flow quantification was dynamically acquired over a range of 22 cm at very low perfusion dose.

Collimation: 192 x 0.6 mmTube settings: 80 kV, 100 mAs
Spatial resolution: 0.24 mmCTDIvol: 49,4 mGy
Scan time: 35 sDLP: 948 mGy cm
Scan length: 176 mmTemporal resolution: up to 1.5 s cycle time
Rotation time: 0.25 sEff. dose: 14 mSv

(Image: Medical Faculty Mannheim at Heidelberg University, Mannheim, Germany)


Head and Neck Imaging

SOMATOM Force with Volume Perfusion CT measurement was used for a facial tumor baseline staging to novel antiangiogenetic targeted therapy.

Collimation: 48 x 1.2 mmTube setting: 70 kV, 190 mAs
Spatial resolution: 0.24 mmCTDIvol: 61.02 mGy
Scan time: 58 sDLP: 913 mGy cm
Scan length: 111 mmEff. dose: 1.9 mSv
Rotation time: 0.5 s 

(Images: Medical Faculty Mannheim at Heidelberg University, Mannheim, Germany)

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