Achalasia: a disease of varied and subtle symptoms that do not correlate with radiographic findings

ME Blam, W Delfyett, MS Levine, DC Metz… - Official journal of the …, 2002 - journals.lww.com
OBJECTIVE: Dysphagia is the hallmark of achalasia, and when frequent or marked, it is
believed to be a good predictor of the clinical and radiographic severity of disease. We aimed to …

MRI findings in patients with a history of failed prior microvascular decompression for hemifacial spasm: how to image and where to look

…, CT Taylor, S Fakhran, WT Delfyett… - American Journal …, 2015 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: A minority of patients who undergo microvascular decompression
for hemifacial spasm do not improve after the first operation. We sought to determine …

[HTML][HTML] Persistent hemichorea and caudate atrophy in untreated diabetic striatopathy: a case report

EB Lucassen, WT Delfyett, MC Stahl - Case reports in neurology, 2018 - karger.com
Background: Neurological complications of diabetes and hyperglycemia are relatively
common but the specific manifestations can vary widely. Diabetic striatal disease or “diabetic …

Image-guided percutaneous disc sampling: impact of antecedent antibiotics on yield

V Agarwal, S Wo, GM Lagemann, J Tsay, WT Delfyett - Clinical Radiology, 2016 - Elsevier
Aim To evaluate the effect of antecedent antimicrobial therapy on diagnostic yield from
percutaneous image-guided disc-space sampling. Materials and methods A retrospective review …

An interdisciplinary approach to inhospital stroke improves stroke detection and treatment time

…, Y Aziz, SM Desai, B Morrow, WT Delfyett… - Journal of …, 2019 - jnis.bmj.com
Background Inhospital stroke (IHS) is associated with high morbidity and mortality, likely
related to multiple factors, including delayed time to recognition, associated comorbidities, and …

Enhancing annular fissures and high-intensity zones: pain, internal derangement, and anesthetic response at provocation lumbar discography

…, WE Rothfus, J Tsay, WT Delfyett… - American Journal …, 2023 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: A high-intensity zone identified on preprocedural MR
imaging is known to correlate with pain at provocation lumbar discography. The correlation …

Diagnostic accuracy of emergency CT angiography for presumed tandem internal carotid artery occlusion before acute endovascular therapy

M Rocha, WT Delfyett, V Agarwal… - Journal of …, 2018 - jnis.bmj.com
Background Extracranial internal carotid artery (ICA) occlusion can be overestimated on
emergent single phase CT angiography (CTA) of stroke patients with isolated intracranial ICA …

Imaging of neurologic conditions during pregnancy and the perinatal period

WT Delfyett, DT Fetzer - Neurologic Clinics, 2012 - neurologic.theclinics.com
A variety of physiologic, hormonal, immunologic, and hemodynamic changes occur throughout
pregnancy. 1 Direct increases in size of the heart, kidneys, and thyroid have all been …

Harmonically mode-locked semiconductor-based lasers as high repetition rate ultralow noise pulse train and optical frequency comb sources

…, S Ozharar, S Gee, PJ Delfyett - Journal of Optics A: Pure …, 2009 - iopscience.iop.org
… 1000–2 [42] Gee S, Quinlan F, Ozharar S and Delfyett PJ 2005 Simultaneous optical comb
… [44] Ozharar S, Ozdur I, Quinlan F and Delfyett PJ 2009 Jitter reduction by active phase …

Tellurite glasses with peak absolute Raman gain coefficients up to 30 times that of fused silica

…, C Rivero, G Stegeman, K Richardson, P Delfyett… - Optics Letters, 2003 - opg.optica.org
An experimental system has been assembled to measure the absolute values of the Raman
gain spectrum for millimeter-thick glass samples. Results are reported for two new oxide …