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Somatom sensation 64slice ct scanner

Manufactured by Siemens
Sourced in Germany

The Somatom Sensation 64-slice CT scanner is a medical imaging device produced by Siemens. It is designed to capture high-resolution, three-dimensional images of the body's internal structures using X-ray technology. The scanner features 64 individual X-ray detectors that rotate around the patient, allowing for faster scanning and improved image quality.

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8 protocols using somatom sensation 64slice ct scanner

1

Standardized CT Imaging of the Pelvis

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CT imaging was performed using a Somatom Sensation 64slice CT scanner (Siemens, Erlangen, Germany). Patients were positioned in a standard supine position with legs parallel in neutral rotation and patellae pointing directly upward.
The pelvis was reconstructed from the anterior superior iliac
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2

Quantitative Femoral Bone Density Analysis

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The proximal parts of the femora of patients were imaged via quantitative CT using a Somatom Sensation 64slice CT scanner (Siemens AG Healthcare Sector) with a calibration phantom and were analyzed using MIAF (Medical Image Analysis Framework)-Femur software (Institute of Medical Physics, University of Erlangen) 21 . Volumetric cortical and trabecular BMD was analyzed in defined volumes of interest (femoral neck, intertrochanteric region, trochanter, subtrochanteric shaft) (Fig. 1-A). Ten subjects did not undergo quantitative CT evaluation. fig1a Fig. 1-A: Volumes of interest in preoperative quantitative CT analysis of volumetric BMD.
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3

Monitoring Bleomycin-Induced Lung Toxicity

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BPT was defined as the presence of radiological features and/or clinical symptoms during or posttreatment in the absence of infection. For all the patients, high-resolution computed tomography (HRCT) scans (make: Siemens, SOMATOM Sensation 64 Slice CT Scanner) were done at regular intervals as part of treatment protocol (before starting the treatment, end treatment, and 6 months' posttreatment) to know the disease status which was used to monitor the patients for radiological signs of BPT. Dedicated HRCT thorax was only taken when BPT was suspected clinically during treatment or during follow-up period. The CT scan reports of pretreatment and after treatment were compared, and the findings were reported formally by the radiologist. The patients were interviewed after receiving each cycle and were asked if they had developed the symptoms such as cold, fever, dry cough, and dyspnea. In case of severe symptoms, bleomycin was stopped and the patient was started on steroids therapy after excluding infection.
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4

Chest CT Imaging for Pulmonary Tumor Diagnosis

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All patients included in this study received non-contrast CT of the chest performed by a GE LightSpeed 16-Slice CT scanner (GE Healthcare, Beijing, China) or a Siemens SOMATOM Sensation 64-Slice CT Scanner (Siemens, Forchheim, Germany). The CT parameters were as follows: routine section thickness, 1.0, 1.25, or 1.5 mm; section thickness after reconstruction, 0.625–1.25 mm; filtered back projection reconstruction method; 80–120 kV; 200–280 mAs; and a B70f kernel. We used the last CT studies in the lung just before histopathologic diagnosis as the CT observation.
A thoracic radiologist with 26 years of experience in cardiopulmonary imaging and a medical student with 2 years of experience in pulmonary imaging diagnosis consistently examined the CT images of each institution by using a PACS (AGFA Healthcare, Mortsel, Belgium) (lung window width, 1500 HU; level, -500 HU) and labeled the CT images including PTs. PTs were recorded as the radiological parameter for each patient.
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5

Retrospective Review of Mesenteric CT Angiography

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All computed tomography (CT) angiography performed in a single tertiary hospital centre between January 2009 and December 2016 was reviewed retrospectively when the report mentioned "stenosis" and "mesenteric". These scans were scheduled exams (cancer, follow up or extension of lower extremity peripheral arterial disease [LE-PAD], follow up imaging after aortic endoprosthesis) or performed in emergency (polytrauma, chest or lower back pain, postoperative complication of digestive surgery, acute limb ischaemia). CT scans were performed on two different CT scanners; SOMATOM Sensation 64 Slice CT Scanner, (Siemens Healthineers, Germany) and IQON Philips spectral CT (Achieva, Philips Healthcare, Netherlands). Slice thickness values ranged from 1 to 2 mm and 120 to 140 mL of contrast injection (350 mg iodine/mL) were used for dual phase acquisition (arterial and portal). All patients suffering from atherosclerotic SMA occlusion or > 70% stenosis were included. Patients suffering from SMA stenosis related to inflammatory vasculitis or SMA dissection, patients with associated aortic pathology (aortic dissection, thoracoabdominal aneurysm, coral reef aorta), and patients with CT scans performed for suspected AMI or CMI were excluded. Medical records were reviewed retrospectively to exclude patients with history of CMI or AMI at the time of the CT scan leading to inclusion.
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6

Multimodal Imaging Evaluation Protocol

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The ultrasound instrument was Sequoia 512 (Siemens Ultrasound, Mountain View, CA, USA); the probe frequency was 1–4 MHz; and the mechanical index was lower than 0.12. SonoVue (Bracco, Milan, Italy), the contrast agent, was dissolved in 5 mL saline, and a bolus of 2.4 mL of this solution was injected into the antecubital vein quickly, followed by a 5 mL saline flush. A GE Lightspeed 64-slice spiral CT scan or Siemens SOMATOM Sensation 64-Slice CT scanner was applied with a slice thickness of 5 mm. Plain CT was followed by contrast-enhanced CT with nonionic iodinated contrast material. Philips Achieva 1.5 T machine or GE3.0T machine was applied for MRI examination. Postgadolinium contrast-enhanced images were obtained in all cases.
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7

Chest CT Imaging Standardization Protocol

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In this study, all the patients underwent a non-contrast CT of the chest by the performance of a Siemens SOMATOM Sensation 64-Slice CT Scanner (Siemens, Forchheim, Germany) or a GE LightSpeed 16-Slice CT scanner (GE Healthcare, Beijing, China). CT related parameters were as follows: routine section thickness1.0, 1.25, or 1.5 mm; section thickness after reconstruction: 0.625–1.25 mm; filtered back-projection reconstruction method; 80–120 kV; 200–280 mAs; and a B70f kernel. The data of these 677 patient’s chest CT were procured from picture archiving and communication system (PACS).
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8

High-Resolution Abdominal CT Imaging

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All images were obtained with a Siemens Somatom sensation, 64 slice, CT scanner (Siemens Healthcare). The imaging parameters were as follows: tube voltage, 120 kVp; automatic tube current modulation; collimation, 0.6 mm*64; matrix, 512*512; rotation time, 0.37 s, reconstruction slice thickness, 0.75 mm with a 0.5 mm interval, reconstruction kernel, B31f.
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