Simultaneous positron emission tomography and MRI (PET/MRI) is a technology that
combines the anatomic and quantitative strengths of MR imaging with physiologic …

Magnetic resonance imaging (MRI) uses a large magnetic field and radio waves to generate
images of tissues in the body. Conventional MRI techniques have been developed to image …

Accurate quantification of uptake on PET images depends on accurate attenuation
correction in reconstruction. Current MR-based attenuation correction methods for body PET …

Abstract Comprising~ 20% of the volume, water is a key determinant of the mechanical
behavior of cortical bone. It essentially exists in two general compartments: within pores and …

We describe the use of two-dimensional ultrashort echo time (2D UTE) sequences with
minimum TEs of 8μs to image and quantify cortical bone on a clinical 3T scanner. An …

Osteoporosis causes over 1.5 million fractures per year, costing about $15 billion annually in
the USA. Current guidelines utilize bone mineral density (BMD) to assess fracture risk; …

In this study we describe the use of ultrashort echo time (UTE) magnetic resonance imaging
(MRI) to evaluate short and long T2* components as well as the water content of cortical …

Purpose To develop a method to assess volumetric cortical bone porosity in clinically
practical acquisition times by measuring the signal decay at only two echo times (TEs) as …

Osteoporosis is a disease of weak bone and increased fracture risk caused by low bone
mass and microarchitectural deterioration of bone tissue. The standard‐of‐care test used to …

Among current modalities of biomedical and diagnostic imaging, MRI stands out by virtue of
its versatile contrast obtained without ionizing radiation. However, in various cases, eg …