Making the invisible visible—ultrashort echo time magnetic resonance imaging: technical developments and applications

Y Ma, H Jang, S Jerban, EY Chang, CB Chung… - Applied Physics …, 2022 - pubs.aip.org
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 …

Quantitative ultrashort echo time (UTE) magnetic resonance imaging of bone: an update

YJ Ma, S Jerban, H Jang, D Chang… - Frontiers in …, 2020 - frontiersin.org
Bone possesses a highly complex hierarchical structure comprised of mineral (~ 45% by
volume), organic matrix (~ 35%) and water (~ 20%). Water exists in bone in two forms: as …

Ultrashort Echo Time (UTE) MRI porosity index (PI) and suppression ratio (SR) correlate with the cortical bone microstructural and mechanical properties: Ex vivo …

S Jerban, Y Ma, S Alenezi, D Moazamian, J Athertya… - Bone, 2023 - Elsevier
Ultrashort echo time (UTE) MRI can image and consequently enable quantitative
assessment of cortical bone. UTE-MRI-based evaluation of bone is largely underutilized due …

An update in qualitative imaging of bone using ultrashort echo time magnetic resonance

S Jerban, DG Chang, Y Ma, H Jang… - Frontiers in …, 2020 - frontiersin.org
Bone is comprised of mineral, collagenous organic matrix, and water. X-ray-based
techniques are the standard approach for bone evaluation in clinics, but they are unable to …

[HTML][HTML] Correlations between elastic modulus and ultrashort echo time (UTE) adiabatic T1ρ relaxation time (UTE-Adiab-T1ρ) in Achilles tendons and entheses

S Jerban, AM Afsahi, Y Ma, D Moazamian… - Journal of …, 2023 - Elsevier
Patients with psoriatic arthritis commonly have abnormalities of their entheses, which are the
connections between tendons and bone. There are shortcomings with the use of …

MRI-based porosity index (PI) and suppression ratio (SR) in the tibial cortex show significant differences between normal, osteopenic, and osteoporotic female …

S Jerban, Y Ma, D Moazamian, J Athertya… - Frontiers in …, 2023 - frontiersin.org
Introduction Ultrashort echo time (UTE) MRI enables quantitative assessment of cortical
bone. The signal ratio in dual-echo UTE imaging, known as porosity index (PI), as well as …

Correlation between the elastic modulus of anterior cruciate ligament (ACL) and quantitative ultrashort echo time (UTE) magnetic resonance imaging

S Jerban, T Hananouchi, Y Ma… - Journal of …, 2022 - Wiley Online Library
Conventional magnetic resonance imaging (MRI) often acquires no signal in anterior
cruciate ligament (ACL) due to the short apparent transverse relaxation time of ACL …

Quantative MRI predicts tendon mechanical behavior, collagen composition, and organization

JA Zellers, M Edalati, JD Eekhoff… - Journal of …, 2023 - Wiley Online Library
Quantitative magnetic resonance imaging (qMRI) measures have provided insights into the
composition, quality, and structure‐function of musculoskeletal tissues. Low signal‐to‐noise …

Assessment of mechanical properties of articular cartilage with quantitative three-dimensional ultrashort echo time (UTE) cones magnetic resonance imaging

B Namiranian, S Jerban, Y Ma, EW Dorthe… - Journal of …, 2020 - Elsevier
Conventional magnetic resonance imaging (MRI) is not capable of detecting signal from the
deep cartilage due to its short transverse relaxation time (T2). Moreover, several quantitative …

Quantitative magnetic resonance imaging of cortical and trabecular bone

S Jerban, Y Ma, Z Wei, H Jang… - Seminars in …, 2020 - thieme-connect.com
Bone is a composite material consisting of mineral, organic matrix, and water. Water in bone
can be categorized as bound water (BW), which is bound to bone mineral and organic …