User profiles for R.H. Nunes
Renato Hoffmann NunesSanta Casa de São Paulo Verified email at spr.org.br Cited by 1815 |
Gadolinium-based contrast agent accumulation and toxicity: an update
In current practice, gadolinium-based contrast agents have been considered safe when used
at clinically recommended doses in patients without severe renal insufficiency. The causal …
at clinically recommended doses in patients without severe renal insufficiency. The causal …
High signal intensity in globus pallidus and dentate nucleus on unenhanced T1-weighted MR images: evaluation of two linear gadolinium-based contrast agents
Purpose To determine if a correlation exists between the number of previous enhanced
magnetic resonance (MR) imaging examinations and high signal intensity in the globus pallidus (…
magnetic resonance (MR) imaging examinations and high signal intensity in the globus pallidus (…
[HTML][HTML] The effects of social media opinion leaders' recommendations on followers' intention to buy
RH Nunes, JB Ferreira, AS Freitas… - Revista Brasileira de …, 2018 - SciELO Brasil
Purpose–The objective of this study is to investigate how consumers are influenced in their
intention to buy after having access–within social media–to persuasive messages sent out by …
intention to buy after having access–within social media–to persuasive messages sent out by …
Neuromyelitis optica spectrum disorders: spectrum of MR imaging findings and their differential diagnosis
Neuromyelitis optica (NMO) is an autoimmune demyelinating disorder for which the aquaporin-4
(AQP4) water channels are the major target antigens. Advances in the understanding of …
(AQP4) water channels are the major target antigens. Advances in the understanding of …
Imaging of Creutzfeldt-Jakob disease: imaging patterns and their differential diagnosis
…, FT Pacheco, BR Barros, I Aguiar Littig, RH Nunes… - Radiographics, 2017 - pubs.rsna.org
Diagnosis of sporadic Creutzfeldt-Jakob disease (sCJD) remains a challenge because of
the large variability of the clinical scenario, especially in its early stages, which may mimic …
the large variability of the clinical scenario, especially in its early stages, which may mimic …
Multinodular and vacuolating neuronal tumor of the cerebrum: a new “leave me alone” lesion with a characteristic imaging pattern
Multinodular and vacuolating neuronal tumor of the cerebrum is a recently reported benign,
mixed glial neuronal lesion that is included in the 2016 updated World Health Organization …
mixed glial neuronal lesion that is included in the 2016 updated World Health Organization …
Recognizing autoimmune-mediated encephalitis in the differential diagnosis of limbic disorders
AJ Da Rocha, RH Nunes, ACM Maia… - American Journal of …, 2015 - Am Soc Neuroradiology
Limbic encephalitis is far more common than previously thought. It is not always associated
with cancer, and it is potentially treatable. Autoantibodies against various neuronal cell …
with cancer, and it is potentially treatable. Autoantibodies against various neuronal cell …
Signal intensity change on unenhanced T1-weighted images in dentate nucleus following gadobenate dimeglumine in patients with and without previous multiple …
Objectives To evaluate the impact of previous administration of gadodiamide and neural
tissue gadolinium deposition in patients who received gadobenate dimeglumine. Methods Our …
tissue gadolinium deposition in patients who received gadobenate dimeglumine. Methods Our …
Arterial spin labeling: techniques, clinical applications, and interpretation
…, SS Omar, FA Scortegagna, K Nael, RH Nunes… - Radiographics, 2022 - pubs.rsna.org
Arterial spin labeling (ASL) is an emerging noninvasive MRI technique for assessing cerebral
perfusion. An important advantage of ASL perfusion is the lack of a requirement for an …
perfusion. An important advantage of ASL perfusion is the lack of a requirement for an …
T1 signal-intensity increase in the dentate nucleus after multiple exposures to gadodiamide: intraindividual comparison between 2 commonly used sequences
BACKGROUND AND PURPOSE: Different T1-weighted sequences have been used for
qualitative and quantitative evaluation of T1 signal intensity related to gadolinium deposition in …
qualitative and quantitative evaluation of T1 signal intensity related to gadolinium deposition in …