Christine U. Lee

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BACKGROUND Percutaneous angiography with iodinated contrast in patients with chronic kidney disease carries a risk of contrast nephropathy, which is independently associated with renal disease progression and increased mortality. Gadolinium contrast is a potential alternative to iodinated contrast for percutaneous transluminal renal angioplasty (PTRA), and(More)
Balanced steady state-free precession (b-SSFP) pulse sequences have a number of properties which can be useful in magnetic resonance cholangiopancreatography (MRCP), including short acquisition times, high signal-to-noise ratios, and T2/T1 contrast weighting. The utility and versatility of b-SSFP sequences for MRCP imaging are probably underappreciated, and(More)
This case report presents the first reported molecular breast imaging appearance of a nipple adenoma coexisting with an ipsilateral breast malignancy. Conventional multi-modality radiologic imaging, including mammography, ultrasonography, and magnetic resonance imaging are also shown, and a brief review of the literature is provided.
BACKGROUND Nephrogenic systemic fibrosis (NSF) is a rare, potentially fatal fibrosing disorder associated with renal insufficiency and gadolinium (Gd)-based contrast exposure. The cause remains unknown. To date, all efforts to investigate skin Gd concentrations in patients with NSF have been performed on paraffin-embedded samples, and Gd deposition has not(More)
OBJECTIVES To estimate and stratify the risk of development of nephrogenic systemic fibrosis (NSF) in well-defined at-risk subpopulations from a large single institution, and to perform a single-institution case series study of patients with biopsy-proven NSF. DESIGN Retrospective cohort of patients exposed to gadolinium-based contrast agents (GBCAs) at a(More)
A novel 3D breath-held Dixon fat-water separated balanced steady state free precession (b-SSFP) sequence for MR cholangiopancreatography (MRCP) is described and its potential clinical utility assessed in a series of patients. The main motivation is to develop a robust breath-held alternative to the respiratory gated 3D Fast Spin Echo (FSE) sequence, the(More)
RATIONALE AND OBJECTIVES Magnetic resonance elastography (MRE) images the propagation of mechanical shear waves in tissue and uses that information to generate quantitative measures of tissue stiffness. Hepatic MRE has been successfully performed in thousands of patients, with good correlation between histologic grade of fibrosis and tissue stiffness. There(More)
PURPOSE To evaluate a new dynamic contrast-enhanced (DCE) imaging technique called multiecho time-resolved acquisition (META) for abdominal/pelvic imaging. META combines an elliptical centric time-resolved three-dimensional (3D) spoiled gradient-recalled echo (SPGR) imaging scheme with a Dixon-based fat-water separation algorithm to generate high(More)
Despite its nonionizing technique and exquisite soft tissue characterization, noncardiovascular, and nonmusculoskeletal magnetic resonance imaging (MRI) of the chest has been considered impractical due to various challenges such as respiratory motion, cardiac motion, vascular pulsatility, air susceptibility, and paucity of signal in the lung. With advances(More)
During a 2-year period, the vancomycin-resistant enterococcus (VRE) acquisition rate was 10.9% (40/368) in patients who had shared a room with a newly detected VRE carrier. Exposure to vancomycin and to anti-anaerobic antibiotics were identified as independent risk factors for VRE acquisition. Sensitivity of the first rectal VRE screening was less than 50%.