Neuroimaging findings in patients with COVID-19

P Nicholson, L Alshafai… - American Journal of …, 2020 - Am Soc Neuroradiology
Little is known about the neurologic sequelae of coronavirus disease 2019 (COVID-19). We
assessed neuroimaging findings in 4 patients positive for COVID-19. All had abnormal …

Differentiation of enhancing glioma and primary central nervous system lymphoma by texture-based machine learning

…, P Dufort, AF Geraldo, L Alshafai… - American Journal …, 2017 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Accurate preoperative differentiation of primary central
nervous system lymphoma and enhancing glioma is essential to avoid unnecessary …

Comparison of sagittal FSE T2, STIR, and T1-weighted phase-sensitive inversion recovery in the detection of spinal cord lesions in MS at 3T

…, A Pauranik, L Alshafai… - American Journal …, 2016 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Determining the diagnostic accuracy of different MR sequences
is essential to design MR imaging protocols. The purpose of the study was to compare …

Diffusion MR imaging in a case of acute ischemic optic neuropathy

LS Al-Shafai, DJ Mikulis - American journal of …, 2006 - Am Soc Neuroradiology
The purpose of this case report is to show the diagnostic potential of diffusion-weighted MR
imaging in establishing the presence of ischemic optic neuropathy (ION). We report the MR …

Inter-rater concordance and operating definitions of radiologic nodal feature assessment in human papillomavirus-positive oropharyngeal carcinoma

O Chin, L Alshafai, B O'Sullivan, J Su, A Hope… - Oral Oncology, 2022 - Elsevier
Background and purpose This study aims to evaluate the reliability of radiologic nodal
feature assessment in clinical node-positive human papillomavirus-positive oropharyngeal …

Clinical, EEG, MRI, MEG, and surgical outcomes of pediatric epilepsy with astrocytic inclusions versus focal cortical dysplasia

L Alshafai, A Ochi, C Go, B McCoy, C Hawkins… - …, 2014 - Wiley Online Library
L occipital lobe Abnormal sulcation and gyration in L frontal lobe Biopsy of left frontal lobe.
No surgical resection, as no habitual seizure documented during invasive monitoring. – …

Flipping the classroom: an alternative approach to radiology resident education

…, L Alshafai, L Guimaraes, L Probyn… - Academic …, 2020 - academicradiology.org
Since its popularization in 1993 (1), the Flipped Class-room model has emerged as an
increasingly prolific and effective method in adult education. However, in our experience, it has …

Decreased subcortical T2 FLAIR signal associated with seizures

P Nicholson, S Abdulla, L Alshafai… - American Journal …, 2020 - Am Soc Neuroradiology
Abnormally decreased T2/T2 FLAIR signal can be seen on brain imaging of patients who
are experiencing clinical or subclinical seizures and can be associated with various …

Cerebral Venous Sinus Thrombosis and Papilledema in Vaccine-Induced Thrombotic Thrombocytopenia After SARS-CoV-2 Vaccination

…, J Qian, C Lutchman, L AlShafai… - Journal of Neuro …, 2023 - journals.lww.com
AstraZeneca ChAdOx1 vaccination against SARS-CoV-2. Eight days later, she presented to
the emergency department with new onset of severe bilateral flank pain where she was …

Clinicopathological correlates: chronic arsenic toxicity causing bilateral symmetric progressive optic neuropathy

P Freund, L Al-Shafai, G Mankovskii… - Journal of Neuro …, 2020 - journals.lww.com
… 10 9 /L) and thrombocytopenia (91 × 10 9 /L). NMO and myelin oligodendrocyte glycoprotein
antibodies tested with cell-based assays were both negative. Given the progressive central …