User profiles for S. Payabvash

S Payabvash

Yale University School of Medicine
Verified email at yale.edu
Cited by 4641

[HTML][HTML] Quantitative diffusion magnetic resonance imaging in head and neck tumors

S Payabvash - Quantitative Imaging in Medicine and Surgery, 2018 - ncbi.nlm.nih.gov
… average ADC (0.993±0.157 ×10 −3 mm 2 /s) and D values (0.813±0.172 ×10 −3 mm 2 /s)
in malignant tumors compared to benign lesions (1.33±0.212 and 1.16±0.238 ×10 −3 mm 2 /…

Applications of radiomics in precision diagnosis, prognostication and treatment planning of head and neck squamous cell carcinomas

…, B Burtness, WG Yarbrough, S Payabvash - Cancers of the head & …, 2020 - Springer
… The performance of radiomics, clinical or combined models with regards to the respective
outcome(s) prediction is expressed in the Cox-model hazard ratio, and the concordance index …

Deep learning applications for acute stroke management

…, MM Yuen, AM Prabhat, S Payabvash… - Annals of …, 2022 - Wiley Online Library
Brain imaging is essential to the clinical care of patients with stroke, a leading cause of disability
and death worldwide. Whereas advanced neuroimaging techniques offer opportunities …

Regional ischemic vulnerability of the brain to hypoperfusion: the need for location specific computed tomography perfusion thresholds in acute stroke patients

S Payabvash, LCS Souza, Y Wang, PW Schaefer… - Stroke, 2011 - Am Heart Assoc
… CT and CTA, comprising a 90-second shuttle-mode acquisition, 1 image per slice every 3
seconds, after intravenous administration of 35 mL nonionic iodinated contrast (7 mL/s). …

Malignant CTA collateral profile is highly specific for large admission DWI infarct core and poor outcome in acute stroke

…, AJ Yoo, ZA Chaudhry, S Payabvash… - American journal …, 2012 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Large admission DWI lesion volumes are associated with
poor outcomes despite acute stroke treatment. The primary aims of our study were to …

Chronic morphine treatment induces oxidant and apoptotic damage in the mice liver

S Payabvash, A Beheshtian, AH Salmasi, S Kiumehr… - Life sciences, 2006 - Elsevier
Recently many researchers have proposed a protective role for morphine against tumor growth
and metastasis, especially through induction of apoptosis in tumoral cells. These findings …

Smooth muscle cell apoptosis and defective neural development in congenital ureteropelvic junction obstruction

AM Kajbafzadeh, S Payabvash, AH Salmasi… - The Journal of …, 2006 - auajournals.org
… We used Hart’s technique for staining of elastic fibers, which makes them appear black-blue…
Pearson’s correlation coefficient was applied to study the linear correlation of the apoptosis …

CT cerebral blood flow maps optimally correlate with admission diffusion-weighted imaging in acute stroke but thresholds vary by postprocessing platform

…, S Kamalian, MB Maas, GV Goldmacher, S Payabvash… - Stroke, 2011 - Am Heart Assoc
… power injection of 40 mL of contrast at 7 mL/s, which contains 755 mg/mL of iopamidol (…
s/mm 2 ) were acquired in 6 different gradient directions in addition to a single low b-value (b=0 s

Differentiating intraparenchymal hemorrhage from contrast extravasation on post-procedural noncontrast CT scan in acute ischemic stroke patients undergoing …

S Payabvash, MH Qureshi, SM Khan, M Khan, S Majidi… - Neuroradiology, 2014 - Springer
… The immediate post-procedural CT scan was evaluated for the presence of hyperdense
lesion(s). The average attenuation of the lesion(s) was measured. Intraparenchymal …

Multi-institutional validation of deep learning for pretreatment identification of extranodal extension in head and neck squamous cell carcinoma

BH Kann, DF Hicks, S Payabvash… - Journal of Clinical …, 2020 - ascopubs.org
PURPOSE Extranodal extension (ENE) is a well-established poor prognosticator and an
indication for adjuvant treatment escalation in patients with head and neck squamous cell …