Technology | May 21, 2014

FDA Clears Siemens Somatom Force CT System

Freezes motion with free-breathing CT, advances preventive care initiatives with low-dose lung/colon imaging

Somatom Force, CT, Siemens, dual energy CT

May 21, 2014 — The U.S. Food and Drug Administration (FDA) cleared Siemens Healthcare's Somatom Force computed tomography (CT) system, its next generation in dual-source CT. With two sets of Siemens’ X-ray tubes and detectors, the Somatom Force extends advanced imaging to all patients, including some of the most challenging: young children, patients with renal insufficiency and patients who are unable to hold their breath. The Somatom Force overcomes imaging limitations, making low-dose CT available for an even broader array of patients. With the power reserves of its Vectron tube, the Somatom Force delivers routine adult imaging with fast, low-dose protocols.

 

Kidney-friendly Scanning

For years, CT imagers have been investigating the usage of different energy levels (kilovoltage or “kV”) to elicit an enhanced contrast-to-noise ratio and lower patient radiation dose. Lowering kV levels also can potentially increase enhancement of contrast medium, so less contrast may be necessary. This practice had limitations because earlier generations of CT scanners could not sufficiently power imaging at very low kV levels except when imaging children or very small adults. In early investigational research with the Somatom Force, radiologists have observed low, previously unachievable kV imaging results that are enabled by the Force’s power reserves.¹

“The massively enhanced tube power of the Somatom  Force enables imaging that can be acquired at very low kV settings — and thus at a lower level of radiation dose — routinely in adult patients and even those of a larger body type. In the past, these low kV settings would have resulted in noisy, nondiagnostic studies,” said Joseph Schoepf, M.D., director of CT research and development and professor of radiology and cardiology at Medical University of South Carolina.

Due to its low kV imaging, the Somatom Force broadens CT’s application for patients with renal insufficiency. While necessary for conventional CT imaging, iodine contrast medium can place a burden on the kidneys, especially for older patients or those with chronic kidney disease. Previously, clinicians had two options: scan without contrast or avoid scanning entirely. The Somatom Force extends CT’s use for these patients, especially in urgent situations when they can most benefit.

An author of numerous published studies on the benefits of low kV imaging and an internationally recognized expert in neuroradiology, Lawrence Tanenbaum, M.D., FACR, noted, "The Somatom Force enables routine 70 kV imaging — a technique poised to make a tremendous impact in day-to-day scanning of adult and pediatric patients, with benefits such as decreased radiation dose and impressive time-resolved imaging."

 

Freezing Motion

With the industry’s fastest, most versatile scanning mode, the Somatom Force enables the user to perform an entire adult chest, abdomen and pelvis study in only one second, so patients need not hold their breath. For example, patients who present with shortness of breath and are evaluated for pulmonary embolism can now be imaged with no breath hold, thanks to the Somatom Force’s Turbo Flash Mode. With no need for a patient breath hold, the healthcare organization can make faster, more confident decisions and can better deliver timely intervention. In cardiac imaging, the Somatom Force can obtain an entire study within a quarter of a heartbeat at a native temporal resolution of 66 ms — the speed required to freeze even the fastest-moving anatomy such as the right coronary artery.

 

Preventative Care

The Somatom Force also may enable low-dose imaging in lung and colon exams.² Low-dose imaging is attributable to two spectral filters known as Selective Photon Shields that optimize the X-ray spectrum to significantly improve air/soft-tissue contrast. Patients who are diagnosed with lung or colon cancer are likely to undergo additional follow-up imaging studies that can now be delivered at a continually low dose to enable more decisive treatment and post-therapy evaluations.

 

References:

1. With the low kV/high mA capabilities of the VECTRON tube, SOMATOM Force allows scanning with a very high tube current of up to 1300 mA at 70, 80 and 90 kV, such that a high tube output even for these low kV settings can be achieved. Along with SOMATOM Force’s unique Turbo Flash Mode, this scan configuration is also available for conventional spiral or sequential scanning.

2. The SOMATOM Force may achieve the same contrast-to-noise level (in terms of image pixel noise) in the image in reduced dose.

For more information: www.siemens.com/healthcare

Related Content

#COVID19 #Coronavirus #2019nCoV #Wuhanvirus #SARScov2 New studies use SIRD model to forecast COVID-19 spread; examine patient CT scans to correlate clinical features with mortality

Fig 1. A sample scoring on CT images of a 63-year-old woman from mortality group demonstrated a total score of 63. It was calculated as: for upper zone (A), 3 (consolidation) × 3 (50–75% distribution) × 2 (both right and left lungs) + 2 (ground glass opacity) ×1 (< 25% distribution) × 2 (both right and left lungs); for middle zone (B), 3 (consolidation) × 2 (25–50% distribution) × 2 (both right and left lungs) + 2 (ground glass opacity) × 2 (25–50% distribution) × 2 (both right and left lungs); for lower zone (C), 3 (consolidation) × (2 (25–50% distribution of the right lung) + 3 (50–75% distribution of the left lung)) + 2 (ground glass opacity) × (2 (25–50% distribution of the right lung) + 1 (< 25% distribution of the left lung)) Yuan et al, 2020 (CC BY 4.0)

News | Coronavirus (COVID-19) | April 01, 2020
April 1, 2020 — A new study, ...
#COVID19 #Coronavirus #2019nCoV #Wuhanvirus #SARScov2 Company emphasizes faster, more advanced CTs, making imaging easier for COVID-19 patients
News | Computed Tomography (CT) | April 01, 2020
April 1, 2020 — United Imaging, a global leader in advanc
#COVID19 #Coronavirus #2019nCoV #Wuhanvirus #SARScov2 A brief article from Henry Ford Health System in Detroit, published today in Radiology, reports on the first presumptive case of COVID-19–associated acute necrotizing hemorrhagic encephalopathy.

A, Image from noncontrast head CT demonstrates symmetric hypoattenuation within the bilateral medial thalami (arrows). B, Axial CT venogram demonstrates patency of the cerebral venous vasculature, including the internal cerebral veins (arrows). C, Coronal reformat of aCT angiogram demonstrates normal appearance of the basilar artery and proximal posterior cerebral arteries. Image courtesy of the Radiological Society of North America (RSNA)

News | Coronavirus (COVID-19) | March 31, 2020
March 31, 2020 — A brief article fr
#COVID19 #Coronavirus #2019nCoV #Wuhanvirus #SARScov2 The Chinese start-up company Infervision launches its AI-based solution InferRead CT Lung Covid-19 also in Europe
News | Artificial Intelligence | March 31, 2020
March 31, 2020 — Lung infections generated by the coronavirus can be detected in...
#COVID19 #Coronavirus #2019nCoV #Wuhanvirus #SARScov2 Doctor in our hospital is using this intelligent system for accurate diagnosis

Doctor in our hospital is using this intelligent system for accurate diagnosis. (Photo: Business Wire)

News | Artificial Intelligence | March 31, 2020
March 31, 2020 — The Intelligent Evalua...
In the light of the coronavirus outbreak, MILabs has enhanced its line of high-performance CT scanners to even better detect the disease #COVID19 #Coronavirus #2019nCoV #Wuhanvirus #SARScov2
News | Computed Tomography (CT) | March 27, 2020
March 27, 2020 — Based on recent scientific research, diagnostic X-ray...
AI vendor Infervision's InferRead CT Pneumonia software uses artificial intelligence-assisted diagnosis to improve the overall efficiency of the radiology department. It is being developed in China as a high sensitivity detection aid for novel coronavirus pneumonia (COVID-19). #COVID19 #coronavirus #SARScov2

AI vendor Infervision's InferRead CT Pneumonia software uses artificial intelligence-assisted diagnosis to improve the overall efficiency of the radiology department. It is being developed in China as a high sensitivity detection aid for novel coronavirus pneumonia (COVID-19).

Feature | Coronavirus (COVID-19) | March 27, 2020 | Jilian Liu, M.D., HIMSS Greater China
An older couple walked into the Hubei Provincial Hospital of Integrated Chinese and Western Medicine near their neigh