[HTML][HTML] Imaging features of neurotoxoplasmosis: A multiparametric approach, with emphasis on susceptibility-weighted imaging

JC Benson, G Cervantes, TR Baron, AE Tyan… - European Journal of …, 2018 - Elsevier
Background Neurotoxoplasmosis is a common opportunistic infection in HIV/AIDS patients.
Imaging identification of neurotoxoplasmosis assists in timely treatment. Purpose To …

Magnetization transfer and adiabatic T1ρ MRI reveal abnormalities in normal-appearing white matter of subjects with multiple sclerosis

S Mangia, AF Carpenter, AE Tyan… - Multiple Sclerosis …, 2014 - journals.sagepub.com
Background: Diffuse abnormalities are known to occur within the brain tissue of multiple
sclerosis (MS) patients that is “normal appearing” on T1-weighted and T2-weighted magnetic …

Multivariate prognostic model of acute stroke combining admission infarct location and symptom severity: a proof-of-concept study

S Payabvash, JC Benson, AE Tyan, S Taleb… - Journal of Stroke and …, 2018 - Elsevier
Background The information on topographic distribution of acute ischemic infarct can contribute
to prediction of functional outcome. We aimed to develop a multivariate model for stroke …

Preoperative mapping of the supplementary motor area in patients with brain tumor using resting-state fMRI with seed-based analysis

J Wongsripuemtet, AE Tyan, A Carass… - American Journal …, 2018 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: The supplementary motor area can be a critical region in
the preoperative planning of patients undergoing brain tumor resection because it plays a …

Magnetization transfer and adiabatic R1ρ MRI in the brainstem of Parkinson's disease

PJ Tuite, S Mangia, AE Tyan, MK Lee… - Parkinsonism & related …, 2012 - Elsevier
BACKGROUND: In addition to classic midbrain pathology, Parkinson’s disease (PD) is
accompanied by changes in pontine and medullary brainstem structures. These additional …

[HTML][HTML] Utility of coronal contrast-enhanced fat-suppressed FLAIR in the evaluation of optic neuropathy and atrophy

KH Boegel, AE Tyan, VR Iyer, JB Rykken… - European journal of …, 2017 - Elsevier
Background and purpose Evaluating chronic sequelae of optic neuritis, such as optic neuropathy
with or without optic nerve atrophy, can be challenging on whole brain MRI. This study …

Comparison of spin-echo and gradient-echo T1-weighted and spin-echo T2-weighted images at 3T in evaluating term-neonatal myelination

AE Tyan, AM McKinney, TJ Hanson… - American Journal of …, 2015 - Am Soc Neuroradiology
A prior clinical report of 3T MR imaging in subsequently healthy very premature neonates
imaged at term-equivalent age found that both gradient recalled-echo–T1WI and spin-echo–…

Preoperative Imaging (MRI, Functional MRI, CT)

S Agarwal, AE Tyan, HI Sair, SK Gujar… - … Overview of Modern …, 2019 - Elsevier
In the current era of neuroimaging, presurgical mapping of brain tumors involves a multimodality
approach including high-resolution anatomic imaging, MR perfusion imaging, blood …

A rare adverse effect of the COVID-19 vaccine on autoimmune encephalitis

…, DHY Shen, HP Chan, KP Chuang, YC Tyan… - Vaccines, 2022 - mdpi.com
… Although cases are rare, we searched for published articles that mention and discuss the
issue of AE. To determine the mechanism of AE caused by COVID-19 vaccination, further study …

Generating MRI Contrasts in Rotating Frames of Rank 1≤ n≤ 5 in the Human Brain at 4 T and Mouse Brain at 7 T

T Liimatainen, S Mangia, AE Tyan, H Hakkarainen… - archive.ismrm.org
Series of amplitude and frequency modulation functions were designed using frequency
swept pulses based on sine and cosine amplitude and frequency modulations to allow …