Recent Posts

Combined Electrocardiography- and Respiratory-Triggered CT of the Lung to Reduce Respiratory Misregistration Artifacts between Imaging Slabs in Free-Breathing Children: Initial Experience

posted by Hyun Woo Goo, M.D. | Dec 7, 2017
Hyun Woo Goo, M.D.

Cardiac and respiratory motion artifacts degrade the image quality of lung CT in free-breathing children. The aim of this study was to evaluate the effect of combined electrocardiography (ECG) and respiratory triggering on respiratory misregistration artifacts on lung CT in free-breathing children. Read more

Evaluation of commissural malalignment of aortic-pulmonary sinus using cardiac CT for arterial switch operation: comparison with transthoracic echocardiography.

posted by Hyun Woo Goo, M.D. | Nov 30, 2017
Hyun Woo Goo, M.D.

There are limited data regarding the influence of commissural malalignment of the aortic-pulmonary sinus on the arterial switch operation. Read more

Patient Size-Specific Analysis of Dose Indexes From CT Lung Cancer Screening

posted by dsct.com | Nov 23, 2017
dsct.com

The U.S. Centers for Medicare & Medicaid Services (CMS) recently approved the use of low-dose CT for lung cancer screening and described volumetric CT dose index (CTDIvol) requirements. These were based on the National Lung Screening Trial, which used only fixed-tube-current techniques. The aim of this study was to evaluate … Read more

Intra-individual diagnostic image and organ-specific-radiation dose comparison between spiral cCT with iterative image reconstruction and z-axis automated tube current modulation and sequential cCT

posted by Thomas Henzler, MD | Nov 16, 2017
Thomas Henzler, MD

To prospectively evaluate image quality and organ-specific-radiation dose of spiral cranial CT (cCT) combined with automated tube current modulation (ATCM) and iterative image reconstruction (IR) in comparison to sequential tilted cCT reconstructed with filtered back projection (FBP) without ATCM. Read more

Detecting Intracranial Hemorrhage Using Automatic Tube Current Modulation With Advanced Modeled Iterative Reconstruction in Unenhanced Head Single- and Dual-Energy Dual-Source CT

posted by Julian L. Wichmann, M.D. | Nov 9, 2017
Julian L. Wichmann, M.D.

The purpose of our study was to determine diagnostic accuracy, image quality, and radiation dose of low-dose single- and dual-energy unenhanced third-generation dual-source head CT for detection of intracranial hemorrhage (ICH). Read more

A Novel Imaging Technique (X-Map) to Identify Acute Ischemic Lesions Using Noncontrast Dual-Energy CT

posted by dsct.com | Nov 2, 2017
dsct.com

We evaluated whether X-map, a novel imaging technique, can visualize ischemic lesions within 20 hours after the onset in patients with acute ischemic stroke, using noncontrast dual-energy CT (DECT). Read more

High-pitch spiral CT: effect on image quality and radiation dose in pediatric chest CT

posted by Michael M. Lell, M.D. | Oct 26, 2017
Michael M. Lell, M.D.

Computed tomography (CT) is considered the method of choice in thoracic imaging for a variety of indications. Sedation is usually necessary to enable CT and to avoid deterioration of image quality because of patient movement in small children. We evaluated a new, subsecond high-pitch scan mode (HPM), which obviates the … Read more


Experts
Rozemarijn Vliegenthart, M.D., PhD

Radiologist, CMI discipline leader CT – Expert in cardiovascular CT, low-dose CT and lung cancer screening


Kelly Han, M.D.

Director of Congenital Cardiac Imaging –
Expert in pediatric imaging


Stephan Achenbach, M.D.

Professor of cardiology –
Expert in Coronary CTA


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