Scholars@Duke
Mustafa Shadi Rifaat Bashir

Mustafa Shadi Rifaat Bashir

James & Alice Chen Distinguished Professor in Radiology
Radiology, Abdominal Imaging
mustafa.bashir@duke.edu
Dept of Radiology, Box 3808, Durham, NC 27710

Featured Works

Bulbar muscle weakness and fatty lingual infiltration in glycogen storage disorder type IIIa.

Journal article Mol Genet Metab · November 2012 Featured Publication Glycogen storage disorder type III (GSD III) is a rare autosomal recessive disorder resulting from a deficiency of glycogen debranching enzyme, critical in cytosolic glycogen degradation. GSD IIIa, the most common form of GSD III, primarily affects the liv ... Full text Open Access Link to item Cite

Iodine quantification using dual-energy multidetector computed tomography imaging: phantom study assessing the impact of iterative reconstruction schemes and patient habitus on accuracy.

Journal article Invest Radiol · November 2012 Featured Publication PURPOSE: The aim of this study was to assess the accuracy of iodine quantification based on spectral dual-energy computed tomography (DECT) extraction with additional noise reduction using iterative reconstruction in simulated optimal and obese patient env ... Full text Link to item Cite

Gradient shimming during magnetic resonance imaging of the liver: comparison of a standard protocol versus a novel reduced protocol.

Journal article Invest Radiol · September 2012 Featured Publication PURPOSE: The aim of this study was to examine the effect of minimizing prescan adjustments on table time and image quality in magnetic resonance imaging (MRI) of the liver. MATERIALS AND METHODS: This prospective Health Insurance Portability and Accountabi ... Full text Link to item Cite

Improved aortic enhancement in CT angiography using slope-based triggering with table speed optimization: a pilot study.

Journal article Int J Cardiovasc Imaging · August 2012 Featured Publication To assess whether a scan triggering technique based on the slope of the time-attenuation curve combined with table speed optimization may improve arterial enhancement in aortic CT angiography compared to conventional threshold-based triggering techniques. ... Full text Link to item Cite

Radiation dose reduction in abdominal computed tomography during the late hepatic arterial phase using a model-based iterative reconstruction algorithm: how low can we go?

Journal article Invest Radiol · August 2012 Featured Publication OBJECTIVE: The aim of this study was to compare the image quality of abdominal computed tomography scans in an anthropomorphic phantom acquired at different radiation dose levels where each raw data set is reconstructed with both a standard convolution fil ... Full text Link to item Cite

MDCT evaluation of the pancreas: nuts and bolts.

Journal article Radiol Clin North Am · May 2012 Featured Publication Multidetector-row CT (MDCT) imaging of the pancreas has important roles in diagnosis, staging, and treatment monitoring of a vast array of pancreatic diseases. Optimizing MDCT protocols not only requires an understanding of expected pathologies but also mu ... Full text Link to item Cite

Automated liver sampling using a gradient dual-echo Dixon-based technique.

Journal article Magn Reson Med · May 2012 Featured Publication Magnetic resonance spectroscopy of the liver requires input from a physicist or physician at the time of acquisition to insure proper voxel selection, while in multiecho chemical shift imaging, numerous regions of interest must be manually selected in orde ... Full text Link to item Cite

Liver MRI in the hepatocyte phase with gadolinium-EOB-DTPA: does increasing the flip angle improve conspicuity and detection rate of hypointense lesions?

Journal article J Magn Reson Imaging · March 2012 Featured Publication PURPOSE: To compare conspicuity and detection rate of hypointense lesions on T1-weighted (T1w) gradient echo (GRE) sequences with low and high flip angles (FA) in hepatocyte phase magnetic resonance imaging (MRI) using gadoxetate disodium. MATERIALS AND ME ... Full text Link to item Cite

Assessing disease severity in Pompe disease: the roles of a urinary glucose tetrasaccharide biomarker and imaging techniques.

Journal article Am J Med Genet C Semin Med Genet · February 15, 2012 Featured Publication Defining disease severity in patients with Pompe disease is important for prognosis and monitoring the response to therapies. Current approaches include qualitative and quantitative assessments of the disease burden, and clinical measures of the impact of ... Full text Link to item Cite

Hepatic MR imaging for in vivo differentiation of steatosis, iron deposition and combined storage disorder: single-ratio in/opposed phase analysis vs. dual-ratio Dixon discrimination.

Journal article Eur J Radiol · February 2012 Featured Publication OBJECTIVE: To assess whether in vivo dual-ratio Dixon discrimination can improve detection of diffuse liver disease, specifically steatosis, iron deposition and combined disease over traditional single-ratio in/opposed phase analysis. METHODS: Seventy-one ... Full text Link to item Cite

Contrast-enhanced magnetic resonance angiography: first-pass arterial enhancement as a function of gadolinium-chelate concentration, and the saline chaser volume and injection rate.

Journal article Invest Radiol · February 2012 Featured Publication OBJECTIVE: To evaluate the effect of the contrast medium (CM) concentration and the saline chaser volume and injection rate on first-pass aortic enhancement characteristics in contrast-enhanced magnetic resonance angiography using a physiologic flow phanto ... Full text Link to item Cite

Diagnostic accuracy of intra-abdominal fluid collection characterization in the era of multidetector computed tomography.

Journal article Am Surg · February 2012 Featured Publication The purpose of this study was to test the hypothesis that with improved technology, the presence of abscess in a postoperative fluid collection may be prospectively made. This is an Institutional Review Board-approved, Health Insurance Portability and Acco ... Link to item Cite

Effectiveness of a three-dimensional dual gradient echo two-point Dixon technique for the characterization of adrenal lesions at 3 Tesla.

Journal article Eur Radiol · January 2012 Featured Publication OBJECTIVE: To compare the sensitivity, specificity, and diagnostic accuracy of fat-only datasets reconstructed using a two-point Dixon technique, with corresponding opposed-phase (OP) and in-phase (IP) datasets for characterization of adrenal lesions at 3 ... Full text Link to item Cite

Effectiveness of a breath-hold monitoring system in improving the reproducibility of different breath-hold positions in multiphasic CT imaging.

Journal article Clin Imaging · 2012 Featured Publication This study tests whether the utilization of an electronic breath-hold monitoring device improves breath-hold reproducibility during computed tomographic (CT) scanning. Two cohorts of 40 patients underwent dual-phase abdominal CT scans, either with a breath ... Full text Link to item Cite

White paper from the ACR Task Force on Print Media in Radiology.

Journal article J Am Coll Radiol · October 2011 Featured Publication The rapidly changing technological and business environment in which scientific journals are published will necessitate ongoing reassessment of operations, goals, and priorities. In this white paper, the ACR Task Force on Print Media in Radiology reviews t ... Full text Link to item Cite

Imaging-guided preoperative hookwire localization of nonpalpable extramammary lesions.

Journal article AJR Am J Roentgenol · September 2011 Featured Publication OBJECTIVE: Imaging-guided hookwire localization of nonpalpable lesions in the breast is frequently performed preoperatively. Outside the breast, this procedure is useful for planning resection of lesions in anatomic regions without intrinsic landmarks. The ... Full text Link to item Cite

Global health training in radiology residency programs.

Journal article Acad Radiol · June 2011 Featured Publication RATIONALE AND OBJECTIVES: To measure perceptions of radiology residents regarding the imaging needs of the developing world and the potential role of an organized global health imaging curriculum during residency training. MATERIALS AND METHODS: An electro ... Full text Link to item Cite

Effect of organ enhancement and habitus on estimation of unenhanced attenuation at contrast-enhanced dual-energy MDCT: concepts for individualized and organ-specific spectral iodine subtraction strategies.

Journal article AJR Am J Roentgenol · May 2011 Featured Publication OBJECTIVE: The purpose of this study was to assess whether habitus and organ enhancement influence iodine subtraction and should be incorporated into spectral subtraction algorithms. SUBJECTS AND METHODS: This study included 171 patients. In the unenhanced ... Full text Link to item Cite

Improved liver lesion conspicuity by increasing the flip angle during hepatocyte phase MR imaging.

Journal article Eur Radiol · February 2011 Featured Publication OBJECTIVE: One of the advantages of using hepatobiliary contrast agents in liver MRI is the ability to acquire a delayed, "hepatocyte phase" dataset. This phase highlights many types of lesions as hypointense compared with the liver, because of the accumul ... Full text Link to item Cite

Endoleaks after endovascular abdominal aortic aneurysm repair: management strategies according to CT findings.

Journal article AJR Am J Roentgenol · April 2009 Featured Publication OBJECTIVE: With increasing use of endovascular techniques for repair of abdominal aortic aneurysms, the prevalence of leakage into excluded aneurysm sacs (endoleaks) as a complication has risen. We will describe and illustrate the imaging findings for endo ... Full text Link to item Cite

Changes to resident call and the dilution of education.

Journal article J Am Coll Radiol · April 2009 Featured Publication Full text Link to item Cite

Median nerve injury as a result of medial brachial fascial compartment syndrome.

Journal article J Vasc Interv Radiol · November 2007 Featured Publication A case of brachial plexus injury after brachial arteriography is reported. Percutaneous catheterization of the brachial artery for angiography and intervention is performed when contraindications for the femoral approach exist. Access-related complications ... Full text Link to item Cite