Recent Posts

Concerning a recent publication on the accuracy of MDCT 64

posted by Pal Suranyi, M.D., PhD | Feb 28, 2009
Pal Suranyi, M.D., PhD

Sofiane Hadjadj, MD, Montreal, has sent the following question: concerning a recent publication on accuracy of the MDCT 64: according to the study published in the  NEJM Volume 359:2324-2336   \”The patient-based diagnostic accuracy of quantitative CT angiography for detecting or ruling out stenoses of 50% or more according to conventional angiography revealed … Read more

Contrast blending for right ventricular function in pediatric patients

posted by Kai U. Juergens, M.D. | Feb 27, 2009
Kai U. Juergens, M.D.

Judy Oltman, USA, has sent the following question: We do a fair amount of pediatric congenital hearts and need to assess right ventricular function. Are there any particular blends of contrast administration that works well with attemping to get appropriate contrast fill without too much contamination? Kai U. Juergens, M.D., Section Head … Read more

Concerning a recent publication on accuracy of the MDCT 64

posted by Stephan Achenbach, M.D. | Feb 19, 2009
Stephan Achenbach, M.D.

Sofiane Hadjadj, MD, Montreal, has sent the following question: concerning a recent publication on accuracy of the MDCT 64: according to the study published in the  NEJM Volume 359:2324-2336   \”The patient-based diagnostic accuracy of quantitative CT angiography for detecting or ruling out stenoses of 50% or more according to conventional angiography revealed … Read more

Assessing thyroid perfusion

posted by Prof. Dr. med. Thomas Albrecht, FRCR | Feb 16, 2009
Prof. Dr. med. Thomas Albrecht, FRCR

The following question has been sent by Han Dan, China: Because the  thyroid gland is very sensitive to X-yay, we want to know if we could check the thyroid gland by CT perfusion or if we use lower dose in scanning when we check the thyroid gland … Read more

Studying coronary veins with Dual Source CT

posted by U. Joseph Schoepf, M.D. | Feb 13, 2009
U. Joseph Schoepf, M.D.

Vladimir Mendoza, Cardiologist, Cuba has sent the following question: Coronary veins: How we can study the complete coronary vein with DSCT in patients with DMC? U. Joseph Schoepf, M.D., Medical University of South Carolina: The protocol for studying coronary veins is not technically different from regular coronary CT angiography as far as ECG-synchronization and … Read more

Contrast blending for right heart and ventricular function in pediatric patiens

posted by Thorsten R. C. Johnson, M.D. | Feb 4, 2009
Thorsten R. C. Johnson, M.D.

Judy Oltman, USA, has sent the following question: Contrast blending for right ventricular function: We do a fair amount of pediatric congenital hearts and need to assess right ventricular function. Are there any particular blends of contrast administration that works well with attemping to get appropriate contrast fill without too much contamination? Thorsten … Read more

Dual Energy CT of peripheral arteries and Dual Energy CT Angiography of Peripheral Arterial Occlusive Disease

posted by Thorsten R. C. Johnson, M.D. | Feb 2, 2009
Thorsten R. C. Johnson, M.D.

Scott Schonhover, technologist, USA, has sent the following question: DE Runoffs: Is anyone doing these either as research or in a clinical setting? If so is there a protocol for scanning and/or injection? I undertand that certain body habitus patients would exceed scan FOV’s. One of our doc’s is contemplating a research study on … Read more