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List of works by Pamela Schaefer

'Footprints' of transient ischemic attacks: a diffusion-weighted MRI study.

scientific article published in January 2002

3 Tesla intraoperative MRI for brain tumor surgery

scientific article

A case of immunotherapy-responsive eastern equine encephalitis with diffusion-weighted imaging

scientific article published in February 2001

A pilot study of normobaric oxygen therapy in acute ischemic stroke

scientific article published on 10 March 2005

ABC/2 for rapid clinical estimate of infarct, perfusion, and mismatch volumes.

scientific article published on June 2009

Academic Performance-Based Compensation Models

scientific article published on 04 June 2019

Academic Radiology Departmental Operational Strategy Related to the Coronavirus Disease 2019 (COVID-19) Pandemic

scientific article published on 10 April 2020

Accelerated Post-contrast Wave-CAIPI T1 SPACE Achieves Equivalent Diagnostic Performance Compared With Standard T1 SPACE for the Detection of Brain Metastases in Clinical 3T MRI

scientific article published on 27 October 2020

Accuracy of CT angiography for the diagnosis of vascular abnormalities causing intraparenchymal hemorrhage in young patients

scientific article published on 09 January 2009

Acute Stroke Imaging Research Roadmap II.

scientific article

Acute confusion and mutism as a presentation of thalamic strokes secondary to deep cerebral venous thrombosis

scientific article published in June 1998

Acute ischemic stroke: infarct core estimation on CT angiography source images depends on CT angiography protocol

scientific article

Admission CT perfusion is an independent predictor of hemorrhagic transformation in acute stroke with similar accuracy to DWI.

scientific article published on 30 November 2011

Affordable care 2014: a tale of two boards

scientific article published on 24 June 2014

Alphabet soup: our government "in-action".

scientific article published on 27 June 2013

An East Coast Perspective on Artificial Intelligence and Machine Learning: Part 1: Hemorrhagic Stroke Imaging and Triage

scientific article published on 17 September 2020

An East Coast Perspective on Artificial Intelligence and Machine Learning: Part 2: Ischemic Stroke Imaging and Triage

scientific article published on 01 November 2020

An acute ischemic stroke classification instrument that includes CT or MR angiography: the Boston Acute Stroke Imaging Scale

scientific article published on 8 May 2008

Aneurysm clip.

scientific article published in December 2007

Arterial input function placement for accurate CT perfusion map construction in acute stroke

scientific article published on May 2010

Arterial wall enhancement overlying carotid plaque on CT angiography correlates with symptoms in patients with high grade stenosis

scientific article published on 29 January 2009

Assessing tissue viability with MR diffusion and perfusion imaging

scientific article published in March 2003

Assessment of cerebral perfusion and arterial anatomy in hyperacute stroke with three-dimensional functional CT: early clinical results ⬇️

scientific article published on January 1, 1998

Avoiding "pseudo-reversibility" of CT-CBV infarct core lesions in acute stroke patients after thrombolytic therapy: the need for algorithmically "delay-corrected" CT perfusion map postprocessing software

scientific article published on 11 June 2009

Bing-Neel Syndrome revisited

scientific article

Brain MR Spectroscopic Findings in 3 Consecutive Patients with COVID-19: Preliminary Observations

scientific article published on 29 October 2020

CASE RECORDS of the MASSACHUSETTS GENERAL HOSPITAL. Case 21-2016. A 32-Year-Old Man in an Unresponsive State

scientific article published on July 2016

CT Angiography Source Images Acquired with a Fast‐Acquisition Protocol Overestimate Infarct Core on Diffusion Weighted Images in Acute Ischemic Stroke ⬇️

scientific article published on August 17, 2011

CT Perfusion Mean Transit Time Maps Optimally Distinguish Benign Oligemia from True “At-Risk” Ischemic Penumbra, but Thresholds Vary by Postprocessing Technique ⬇️

scientific article published on December 22, 2011

CT and conventional and diffusion-weighted MR imaging in acute stroke: study in 691 patients at presentation to the emergency department

scientific article published in August 2002

CT angiography spot sign predicts in-hospital mortality in patients with secondary intracerebral hemorrhage

scientific article published on 15 October 2011

CT angiography-source image hypoattenuation predicts clinical outcome in posterior circulation strokes treated with intra-arterial therapy

scientific article published on 14 August 2008

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

scientific article

Case 20-2010

scientific article published on 01 July 2010

Case 21-2018: A 61-Year-Old Man with Grandiosity, Impulsivity, and Decreased Sleep

scientific article published on 01 July 2018

Case 32-2020: A 63-Year-Old Man with Confusion, Fatigue, and Garbled Speech

scientific article published on 01 October 2020

Case 34-2017. A 76-Year-Old Man with Fever, Weight Loss, and Weakness.

scientific article published in November 2017

Case 5-2018: A 63-Year-Old Man with Confusion after Stem-Cell Transplantation.

scientific article published in February 2018

Case 8-2014: A man with headache, vomiting, and diplopia.

scientific article

Case of the season: dural arteriovenous fistula mimicking a bithalamic neoplasm or viral encephalitis

scientific article published on 25 November 2013

Case records of the Massachusetts General Hospital. Case 11-2007. A 59-year-old man with neck pain, weakness in the arms, and cranial-nerve palsies.

scientific article

Case records of the Massachusetts General Hospital. Case 22-2005. An 81-year-old man with cough, fever, and altered mental status

scientific article

Case records of the Massachusetts General Hospital. Case 22-2008. A 52-year-old woman with fever and confusion

scientific article published on July 2008

Case records of the Massachusetts General Hospital. Case 36-2012. Recovery of a 16-year-old girl from trauma and burns after a car accident

scientific article published in November 2012

Case records of the Massachusetts General Hospital. Case 39-2012. A 55-year-old man with alcoholism, recurrent seizures, and agitation

scientific article published in December 2012

Case records of the Massachusetts General Hospital. Case 40-2011. A 52-year-old man with weakness, infections, and enlarged adrenal glands

scientific article published on 01 December 2011

Case records of the Massachusetts General Hospital. Case 8-2009. A 36-year-old woman with headache, hypertension, and seizure 2 weeks post partum

scientific article published in March 2009

Case records of the Massachusetts General Hospital. Case 8-2014. A 29-year-old man with headache, vomiting, and diplopia.

scientific article published in March 2014

Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 4-2004. A nine-month-old boy with an orbital rhabdomyosarcoma.

scientific article

Central Nervous System Vasculopathies

scientific article published on 16 August 2019

Cerebral Blood Flow Thresholds for Tissue Infarction in Patients with Acute Ischemic Stroke Treated with Intra-Arterial Revascularization Therapy Depend on Timing of Reperfusion ⬇️

scientific article published on 07 April 2011

Cerebral Microvascular Injury in Severe COVID-19

scientific article published on 24 July 2020

Challenges in Differentiating Pediatric Autoimmune CNS Diseases with Similar Clinical and Imaging Phenotypes

scientific article published on 12 September 2019

Characterization and evolution of diffusion MR imaging abnormalities in stroke patients undergoing intra-arterial thrombolysis

scientific article published on 01 June 2004

Clinical Applications of Diffusion

Clinical, Imaging, and Lab Correlates of Severe COVID-19 Leukoencephalopathy

scientific article published on 07 January 2021

Combining MRI with NIHSS thresholds to predict outcome in acute ischemic stroke: value for patient selection

scientific article published on 25 September 2014

Combining acute diffusion-weighted imaging and mean transmit time lesion volumes with National Institutes of Health Stroke Scale Score improves the prediction of acute stroke outcome.

scientific article

Comparative effectiveness research

scientific article published on 29 May 2014

Comparison of diameter and perimeter methods for tumor volume calculation

scientific article

Contrast-enhanced MR angiography is not more accurate than unenhanced 2D time-of-flight MR angiography for determining > or = 70% internal carotid artery stenosis

scientific article published on 22 January 2009

Conventional magnetic resonance imaging of acute stroke

scientific article

Correlation between dynamic contrast-enhanced perfusion MRI relative cerebral blood volume and vascular endothelial growth factor expression in meningiomas

scientific article published on 15 May 2012

Detection and characterization of intracranial aneurysms: a 10-year multidetector CT angiography experience in a large center

scientific article published on 9 November 2015

Diagnostic Performance of a 10-Minute Gadolinium-Enhanced Brain MRI Protocol Compared with the Standard Clinical Protocol for Detection of Intracranial Enhancing Lesions

scientific article published on 13 July 2017

Diagnostic Value of Apparent Diffusion Coefficient Hyperintensity in Selected Patients With Acute Neurologic Deficits ⬇️

scientific article published on October 1, 2001

Diagnostic accuracy and yield of multidetector CT angiography in the evaluation of spontaneous intraparenchymal cerebral hemorrhage.

scientific article published on 2 April 2009

Diffusion MR imaging of acute ischemic stroke

scientific article published in February 2002

Diffusion magnetic resonance imaging of acute ischemic stroke.

scientific article

Diffusion tensor imaging as potential biomarker of white matter injury in diffuse axonal injury.

scientific article

Diffusion weighted imaging reversibility in the brainstem following successful recanalization of acute basilar artery occlusion

scientific article published on 4 June 2010

Diffusion- and perfusion-weighted imaging in vasospasm after subarachnoid hemorrhage

scientific article published in March 1999

Diffusion-weighted MR imaging in closed head injury: high correlation with initial glasgow coma scale score and score on modified Rankin scale at discharge

scientific article

Diffusion-weighted MR imaging of the brain

scientific article 2000

Diffusion-weighted MR imaging: diagnostic accuracy in patients imaged within 6 hours of stroke symptom onset

scientific article

Diffusion-weighted MRI in diffuse axonal injury of the brain

scientific article published on 30 April 2002

Diffusion-weighted imaging discriminates between cytotoxic and vasogenic edema in a patient with eclampsia

scientific article published in May 1997

Diffusion-weighted imaging for the evaluation of diffuse axonal injury in closed head injury

scientific article published in January 2003

Diffusion-weighted imaging identifies a subset of lacunar infarction associated with embolic source

scientific article published on 01 December 1999

Diffusion-weighted imaging in acute stroke

scientific article 2005

Diffusion-weighted imaging in acute stroke

scientific article published on 01 May 2006

Diffusion-weighted imaging in neonatal cerebral infarction: clinical utility and follow-up

scientific article published on 01 September 2000

Diffusion-weighted imaging of fungal cerebral infection.

scientific article

Diffusion-weighted magnetic resonance imaging identifies the "clinically relevant" small-penetrator infarcts

scientific article published in July 2000

Effects of tracer arrival time on flow estimates in MR perfusion-weighted imaging

scientific article published in October 2003

Endovascular Stroke Treatment Outcomes After Patient Selection Based on Magnetic Resonance Imaging and Clinical Criteria

scientific article published in January 2016

Ensemble of Convolutional Neural Networks Improves Automated Segmentation of Acute Ischemic Lesions Using Multiparametric Diffusion-Weighted MRI

scientific article published on 30 May 2019

Evaluating effects of normobaric oxygen therapy in acute stroke with MRI-based predictive models ⬇️

scientific article published on March 9, 2012

Evaluation of Ultrafast Wave-CAIPI MPRAGE for Visual Grading and Automated Measurement of Brain Tissue Volume

scientific article published on 30 July 2020

Evolution of water diffusion and anisotropy in hyperacute stroke: significant correlation between fractional anisotropy and T2.

scientific article

Existence of the diffusion-perfusion mismatch within 24 hours after onset of acute stroke: dependence on proximal arterial occlusion

scientific article published on 21 January 2009

Exposing hidden truncation-related errors in acute stroke perfusion imaging.

scientific article published on 11 December 2014

First-pass quantitative CT perfusion identifies thresholds for salvageable penumbra in acute stroke patients treated with intra-arterial therapy.

scientific article published in January 2006

Frequency and clinical context of decreased apparent diffusion coefficient reversal in the human brain

scientific article published in October 2001

Frequency of adequate contrast opacification of the major intracranial venous structures with CT angiography in the setting of intracerebral hemorrhage: comparison of 16- and 64-section CT angiography techniques

scientific article published on 24 February 2011

Glial tumor grading and outcome prediction using dynamic spin-echo MR susceptibility mapping compared with conventional contrast-enhanced MR: confounding effect of elevated rCBV of oligodendrogliomas [corrected].

scientific article published in February 2004

Glioma recurrence versus radiation necrosis? A pilot comparison of arterial spin-labeled, dynamic susceptibility contrast enhanced MRI, and FDG-PET imaging

scientific article published on 12 January 2010

Headache: when is neurologic imaging indicated?

scientific article published on August 2007

High resolution vessel wall MR imaging in prestenotic intracranial atherosclerotic disease

scientific article published on 22 January 2019

Imaging Acute Stroke is Rapidly Evolving ⬇️

scientific article published on 01 May 2011

Imaging Brain Collaterals: Quantification, Scoring, and Potential Significance.

scientific article

Imaging Patterns and Management Algorithms in Acute Stroke: An Update for the Emergency Radiologist

scientific article published on 29 March 2015

Imaging after direct and indirect extracranial-intracranial bypass surgery

scientific article published on July 2013

Imaging guidelines and findings of extracranial glioblastoma

scientific article

Imaging recommendations for acute stroke and transient ischemic attack patients: A joint statement by the American Society of Neuroradiology, the American College of Radiology, and the Society of NeuroInterventional Surgery.

scientific article

Imaging recommendations for acute stroke and transient ischemic attack patients: a joint statement by the American Society of Neuroradiology, the American College of Radiology and the Society of NeuroInterventional Surgery

scientific article

Improved detection of skull metastasis with diffusion-weighted MR imaging.

scientific article published in June 2007

In Acute Stroke, Can CT Perfusion-Derived Cerebral Blood Volume Maps Substitute for Diffusion-Weighted Imaging in Identifying the Ischemic Core?

scientific article published on 20 July 2015

In patients with suspected acute stroke, CT perfusion-based cerebral blood flow maps cannot substitute for DWI in measuring the ischemic core.

scientific article published on 30 November 2017

Infarct volume is a pivotal biomarker after intra-arterial stroke therapy

scientific article published on 15 March 2012

Intact Brain Network Function in an Unresponsive Patient with COVID-19

scientific article published on 01 July 2020

Interobserver reliability of baseline noncontrast CT Alberta Stroke Program Early CT Score for intra-arterial stroke treatment selection

scientific article published on 9 February 2012

Intracranial hemorrhage complicating acute stroke: how common is hemorrhagic stroke on initial head CT scan and how often is initial clinical diagnosis of acute stroke eventually confirmed?

scientific article

Intracranial organizing hematoma with papillary endothelial hyperplasia features after resection and involved field radiotherapy for cerebellar juvenile pilocytic astrocytoma.

scientific article published on 21 December 2013

Ischemic stroke

scientific article

Ischemic stroke: effects of etiology and patient age on the time course of the core apparent diffusion coefficient

scientific article

Letter from the guest editor: brain imaging.

scientific article published on 11 November 2013

Limited reliability of computed tomographic perfusion acute infarct volume measurements compared with diffusion-weighted imaging in anterior circulation stroke

scientific article

Location-weighted CTP analysis predicts early motor improvement in stroke: a preliminary study.

scientific article

MR Imaging Selection of Acute Stroke Patients with Emergent Large Vessel Occlusions for Thrombectomy

scientific article published on 15 September 2018

MR diffusion imaging in ischemic stroke.

scientific article

MR perfusion imaging in acute ischemic stroke.

scientific article

MRI Patterns of Isolated Lesions in the Medulla Oblongata

scientific article

MRI detection of new hemorrhages: potential marker of progression in cerebral amyloid angiopathy

scientific article

MRI-based selection for intra-arterial stroke therapy: value of pretreatment diffusion-weighted imaging lesion volume in selecting patients with acute stroke who will benefit from early recanalization

scientific article published on 09 April 2009

Magnetic resonance angiography in acute stroke

scientific article

Magnetic resonance spectroscopy study of oxygen therapy in ischemic stroke

scientific article published on 30 August 2007

Malignant CTA Collateral Profile Is Highly Specific for Large Admission DWI Infarct Core and Poor Outcome in Acute Stroke ⬇️

scientific article published on March 1, 2012

Microgyria in the distribution of the middle cerebral artery in a patient with DiGeorge syndrome

scientific article published on November 1996

Multidetector CT angiography in the evaluation of acute blunt head and neck trauma: a proposed acute craniocervical trauma scoring system.

scientific article published on 17 December 2009

Multiple Procedure Payment Reduction: Health Policy Update.

scientific article published on 17 September 2015

Neuroradiology fellowship match: year 4 applicants' perceptions

scientific article published on August 2005

Nontraumatic Head and Neck Emergencies

scientific article published on 01 October 2019

Normal diffusion-weighted MRI during stroke-like deficits

scientific article published in June 1999

Novel diagnostic approaches in Bing-Neel syndrome.

scientific article

Optimal brain MRI protocol for new neurological complaint.

scientific article

Other cerebrovascular occlusive disease

scientific article

Parenchymal abnormalities associated with cerebral venous sinus thrombosis: assessment with diffusion-weighted MR imaging

scientific article published in November 2004

Percentage insula ribbon infarction of >50% identifies patients likely to have poor clinical outcome despite small DWI infarct volume

scientific article published on 4 September 2014

Perfusion magnetic resonance imaging of acute ischemic stroke

scientific article

Petechial hemorrhages accompanying lobar hemorrhage: detection by gradient-echo MRI.

scientific article

Posterior leukoencephalopathy without severe hypertension: utility of diffusion-weighted MRI.

scientific article published in November 1998

Practical scoring system for the identification of patients with intracerebral hemorrhage at highest risk of harboring an underlying vascular etiology: the Secondary Intracerebral Hemorrhage Score

scientific article published on 25 June 2010

Predicting cerebral ischemic infarct volume with diffusion and perfusion MR imaging.

scientific article published in November 2002

Predictors of functional outcome vary by the hemisphere of involvement in major ischemic stroke treated with intra-arterial therapy: a retrospective cohort study

scientific article

Prevalence of traumatic dural venous sinus thrombosis in high-risk acute blunt head trauma patients evaluated with multidetector CT venography.

scientific article published on May 2010

Quantifying the Impact of Noninterpretive Tasks on Radiology Report Turn-Around Times

scientific article published on 13 September 2017

Quantitative assessment of core/penumbra mismatch in acute stroke: CT and MR perfusion imaging are strongly correlated when sufficient brain volume is imaged

scientific article

Radiation necrosis versus glioma recurrence: conventional MR imaging clues to diagnosis.

scientific article

Radiology Malpractice Claims in the United States From 2008 to 2012: Characteristics and Implications

scientific article published on 07 October 2015

Rapid identification of a major diffusion/perfusion mismatch in distal internal carotid artery or middle cerebral artery ischemic stroke

scientific article

Recent Endovascular Trials: Implications for Radiology Departments, Radiology Residency, and Neuroradiology Fellowship Training at Comprehensive Stroke Centers

scientific article published on March 2016

Recurrent scalp metastasis from glioblastoma following resection ⬇️

scientific article published on June 22, 2012

Regional Ischemia and Ischemic Injury in Patients With Acute Middle Cerebral Artery Stroke as Defined by Early Diffusion-Weighted and Perfusion-Weighted MRI ⬇️

scientific article published on May 1, 1998

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

scientific article

Reliability of cerebral blood volume maps as a substitute for diffusion-weighted imaging in acute ischemic stroke

scientific article

Restriction of ACGME fellowships to candidates completing US and Canadian accredited residencies: level of support and expected consequences.

scientific article published on 6 April 2014

Retrospective assessment of prevalence of nephrogenic systemic fibrosis (NSF) after implementation of a new guideline for the use of gadobenate dimeglumine as a sole contrast agent for magnetic resonance examination in renally impaired patients

scientific article published on December 2009

Role of Acute Lesion Topography in Initial Ischemic Stroke Severity and Long-Term Functional Outcomes

scientific article

Role of recanalization in acute stroke outcome: rationale for a CT angiogram-based "benefit of recanalization" model.

scientific article

Severity of leukoaraiosis and susceptibility to infarct growth in acute stroke

scientific article

Significance of large vessel intracranial occlusion causing acute ischemic stroke and TIA.

scientific article published on 15 October 2009

Simultaneous Multislice-Based 5-Minute Lumbar Spine MRI Protocol: Initial Experience in a Clinical Setting.

scientific article published on 2 June 2017

Spatial Distribution of Intracranial Vessel Wall Enhancement in Hypertension and Primary Angiitis of the CNS

scientific article published on 17 December 2019

Stability of large diffusion/perfusion mismatch in anterior circulation strokes for 4 or more hours

scientific article

Stroke and stroke mimics: a pattern-based approach

scientific article

Structured Reports and Radiology Residents: Friends or Foes?

scientific article published on 04 November 2020

Subarachnoid gadolinium enhancement mimicking subarachnoid hemorrhage on FLAIR MR images. Fluid-attenuated inversion recovery

scientific article published on 01 November 1999

Susceptibility-weighted imaging reveals cerebral microvascular injury in severe COVID-19

scientific article

Sustainable Growth Rate Repealed, MACRA Revealed: Historical Context and Analysis of Recent Changes in Medicare Physician Payment Methodologies

scientific article

Systematic characterization of the computed tomography angiography spot sign in primary intracerebral hemorrhage identifies patients at highest risk for hematoma expansion: the spot sign score

scientific article

The Independent Payment Advisory Board

scientific article published on 17 October 2013

The Massachusetts General Hospital acute stroke imaging algorithm: an experience and evidence based approach

scientific article published on 14 March 2013

The peer review process: a primer for JNIS readers

scientific article published on 17 April 2015

The spot sign score in primary intracerebral hemorrhage identifies patients at highest risk of in-hospital mortality and poor outcome among survivors

scientific article

Time and diffusion lesion size in major anterior circulation ischemic strokes

scientific article published on 4 September 2014

Time course of lesion development in patients with acute stroke: serial diffusion- and hemodynamic-weighted magnetic resonance imaging

scientific article published on 01 November 1998

Ultrafast Brain MRI: Clinical Deployment and Comparison to Conventional Brain MRI at 3T.

scientific article

Unilateral temporal lobe stroke causing ischemic transient global amnesia: role for diffusion-weighted imaging in the initial evaluation

scientific article published on 01 July 2001

Unique linear and nodular MR enhancement pattern in schistosomiasis of the central nervous system: report of three patients

scientific article published on 01 December 2001

Unruptured intracranial aneurysms conservatively followed with serial CT angiography: could morphology and growth predict rupture?

scientific article

Validation of Highly Accelerated Wave-CAIPI SWI Compared with Conventional SWI and T2*-Weighted Gradient Recalled-Echo for Routine Clinical Brain MRI at 3T

scientific article published on 14 November 2019

Vessel Wall MRI Added to MR Angiography in the Evaluation of Suspected Vasculopathies

scientific article published on 13 February 2019

Vice Chair for Education: Twelve Roles to Provide a Framework for Success

scientific article published on 01 April 2020

Virtual TeleStroke support for the emergency department evaluation of acute stroke

scientific article published on 01 November 2004

White Matter Integrity and Early Outcomes After Acute Ischemic Stroke

scientific article published on 28 January 2019

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