Associate Professor of Radiology, Massachusetts General Hospital
Radiology
Dr. Michael H. Lev, MD
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Dr. Michael H. Lev practices Radiology. He graduated from Warren Alpert Medical School of Brown University. Michael is a published doctor. He has 101 publications published. The most current publication "Clinical diffusion mismatch better discriminates infarct growth than mean transit time-diffusion weighted imaging mismatch in patients with middle cerebral artery-M1 o..." Michael accepts Medicare payments and is registered with Medicare.gov.
Publications
- Endovascular Stroke Treatment Outcomes After Patient Selection Based on Magnetic Resonance Imaging and Clinical Criteria.
- Multiple Procedure Payment Reduction: Health Policy Update.
- Limited reliability of computed tomographic perfusion acute infarct volume measurements compared with diffusion-weighted imaging in anterior circulation stroke.
- Time and diffusion lesion size in major anterior circulation ischemic strokes.
- Percentage Insula Ribbon Infarction of >50% Identifies Patients Likely to Have Poor Clinical Outcome Despite Small DWI Infarct Volume.
- Two-dimensional imaging in a lightweight portable MRI scanner without gradient coils.
- Prognosis of untreated strokes due to anterior circulation proximal intracranial arterial occlusions detected by use of computed tomography angiography.
- Emergency department CT screening of patients with nontraumatic neurological symptoms referred to the posterior fossa: comparison of thin versus thick slice images.
- Improving Door-to-Needle Times: A Single Center Validation of the Target Stroke Hypothesis.
- Variable selection and prediction using a nested, matched case-control study: Application to hospital acquired pneumonia in stroke patients.
- Revascularization grading: the devil is in the details.
- Clot Length Distribution and Predictors in Anterior Circulation Stroke: Implications for Intra-arterial Therapy.
- Good Outcome Rate of 35% in IV-tPA-Treated Patients With Computed Tomography Angiography Confirmed Severe Anterior Circulation Occlusive Stroke.
- Admission Insular Infarction >25% Is the Strongest Predictor of Large Mismatch Loss in Proximal Middle Cerebral Artery Stroke.
- Recommendations on Angiographic Revascularization Grading Standards for Acute Ischemic Stroke: A Consensus Statement.
- Imaging Recommendations for Acute Stroke and Transient Ischemic Attack Patients: A Joint Statement by the American Society of Neuroradiology, the American College of R...
- Acute Stroke Imaging Research Roadmap II.
- Imaging-based selection for intra-arterial stroke therapies.
- Burden of Intracranial Steno-Occlusive Lesions on Initial Computed Tomography Angiography Predicts Poor Outcome in Patients With Acute Stroke.
- The Massachusetts General Hospital acute stroke imaging algorithm: an experience and evidence based approach.
- Contrast Extravasation on CT Angiography Predicts Hematoma Expansion and Mortality in Acute Traumatic Subdural Hemorrhage.
- Case records of the Massachusetts General Hospital. Case 2-2013. A 20-year-old man with recurrent ear pain, fever, and headache.
- Perfusion imaging of acute stroke: its role in current and future clinical practice.
- Rapid identification of a major diffusion/perfusion mismatch in distal internal carotid artery or middle cerebral artery ischemic stroke.
- Virtual Monochromatic Reconstruction of Dual-Energy Unenhanced Head CT at 65-75 keV Maximizes Image Quality Compared with Conventional Polychromatic CT.
- Acute Stroke Imaging: What Is Sufficient for Triage to Endovascular Therapies?
- Infarct Volume Is a Pivotal Biomarker After Intra-Arterial Stroke Therapy.
- Acute Ischemic Stroke: Infarct Core Estimation on CT Angiography Source Images Depends on CT Angiography Protocol.
- Admission CT Perfusion Is an Independent Predictor of Hemorrhagic Transformation in Acute Stroke with Similar Accuracy to DWI.
- CT angiography spot sign predicts in-hospital mortality in patients with secondary intracerebral hemorrhage.
- CT Angiography Source Images Acquired with a Fast-Acquisition Protocol Overestimate Infarct Core on Diffusion Weighted Images in Acute Ischemic Stroke.
- CT Cerebral Blood Flow Maps Optimally Correlate With Admission Diffusion-Weighted Imaging in Acute Stroke but Thresholds Vary by Postprocessing Platform.
- CT Perfusion Imaging in Acute Stroke.
- Regional ischemic vulnerability of the brain to hypoperfusion: the need for location specific computed tomography perfusion thresholds in acute stroke patients.
- Intracranial large vessel occlusion as a predictor of decline in functional status after transient ischemic attack.
- The Prognosis for Aphasia in Stroke.
- The pattern of leptomeningeal collaterals on CT angiography is a strong predictor of long-term functional outcome in stroke patients with large vessel intracranial occ...
- Prevalence of traumatic dural venous sinus thrombosis in high-risk acute blunt head trauma patients evaluated with multidetector CT venography.
- Arterial input function placement for accurate CT perfusion map construction in acute stroke.
- WebParc: a tool for analysis of the topography and volume of stroke from MRI.
- Glioma recurrence versus radiation necrosis? A pilot comparison of arterial spin-labeled, dynamic susceptibility contrast enhanced MRI, and FDG-PET imaging.
- Computed tomography angiography of the carotid and cerebral circulation.
- Comparison of hematoma shape and volume estimates in warfarin versus non-warfarin-related intracerebral hemorrhage.
- The spot sign score in primary intracerebral hemorrhage identifies patients at highest risk of in-hospital mortality and poor outcome among survivors.
- CT perfusion imaging of acute stroke: the need for arrival time, delay insensitive, and standardized postprocessing algorithms?
- On the Measurement of Electrical Impedance Spectroscopy (EIS) of the Human Head.
- Multidetector CT angiography in the evaluation of acute blunt head and neck trauma: a proposed acute craniocervical trauma scoring system.
- Significance of large vessel intracranial occlusion causing acute ischemic stroke and TIA.
- National Institutes of Health Stroke Scale score is poorly predictive of proximal occlusion in acute cerebral ischemia.
- Systematic characterization of the computed tomography angiography spot sign in primary intracerebral hemorrhage identifies patients at highest risk for hematoma expan...
- Collateral vessels on CT angiography predict outcome in acute ischemic stroke.
- Concordance of bilateral vestibular schwannoma growth and hearing changes in neurofibromatosis 2: neurofibromatosis 2 natural history consortium.
- Avoiding "pseudo-reversibility" of CT-CBV infarct core lesions in acute stroke patients after thrombolytic therapy: the need for algorithmically "delay-...
- CT angiography for intracerebral hemorrhage does not increase risk of acute nephropathy.
- Acute stroke triage to intravenous thrombolysis and other therapies with advanced CT or MR imaging: pro CT.
- Theoretic basis and technical implementations of CT perfusion in acute ischemic stroke, part 2: technical implementations.
- Arterial wall enhancement overlying carotid plaque on CT angiography correlates with symptoms in patients with high grade stenosis.
- Theoretic basis and technical implementations of CT perfusion in acute ischemic stroke, part 1: Theoretic basis.
- Contrast-enhanced MR angiography is not more accurate than unenhanced 2D time-of-flight MR angiography for determining > or = 70% internal carotid artery stenosis.
- Intra-arterial nicardipine infusion improves CT perfusion-measured cerebral blood flow in patients with subarachnoid hemorrhage-induced vasospasm.
- Hyperdense basilar artery sign on unenhanced CT predicts thrombus and outcome in acute posterior circulation stroke.
- CT angiography-source image hypoattenuation predicts clinical outcome in posterior circulation strokes treated with intra-arterial therapy.
- Quantitative assessment of core/penumbra mismatch in acute stroke: CT and MR perfusion imaging are strongly correlated when sufficient brain volume is imaged.
- Regarding "Symptomatic acute occlusion of the internal carotid artery: Reappraisal of urgent vascular reconstruction based on current stroke imaging".
- Three-dimensional volumetrics for tracking vestibular schwannoma growth in neurofibromatosis type II.
- Redundant publications in radiology: shades of gray in a seemingly black-and-white issue.
- Acute stroke imaging research roadmap.
- Functional CT and MR imaging for evaluation of acute stroke.
- Distribution of nonvestibular cranial nerve schwannomas in neurofibromatosis 2.
- Contrast extravasation on CT angiography predicts hematoma expansion in intracerebral hemorrhage.
- Acute brain infarct: detection and delineation with CT angiographic source images versus nonenhanced CT scans.
- CT/NIHSS mismatch for detection of salvageable brain in acute stroke triage beyond the 3-hour time window: overrated or undervalued?
- Case records of the Massachusetts General Hospital. Case 1-2007. A 40-year-old woman with epistaxis, hematemesis, and altered mental status.
- Cerebral blood flow thresholds in acute stroke triage.
- Computed tomography angiography and computed tomography perfusion in ischemic stroke: A step-by-step approach to image acquisition and three-dimensional postprocessing.
- Case records of the Massachusetts General Hospital. Case 16-2006. A 72-year-old woman admitted to the emergency department because of a sudden change in mental status.
- Diffusion-weighted imaging in acute stroke.
- Permeability versus cerebral blood volume measurement in brain tumor evaluation: comparative clinical value and advice to authors.
- Noncontrast CT in acute stroke.
- CT: history, technology, and clinical aspects.
- 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...
- Radiation necrosis versus glioma recurrence: conventional MR imaging clues to diagnosis.
- Hypoattenuation on CT angiographic source images predicts risk of intracerebral hemorrhage and outcome after intra-arterial reperfusion therapy.
- CT perfusion in acute stroke.
- Noninvasive evaluation of carotid artery stenosis: indications, strategies, and accuracy.
- Arterial occlusion revealed by CT angiography predicts NIH stroke score and acute outcomes after IV tPA treatment.
- ASPECTS on CTA source images versus unenhanced CT: added value in predicting final infarct extent and clinical outcome.
- The effect of varying user-selected input parameters on quantitative values in CT perfusion maps.
- Gadolinium-enhanced CT angiography of the circle of Willis and neck.
- Comparison of image quality between conventional and low-dose nonenhanced head CT.
- Glial tumor grading and outcome prediction using dynamic spin-echo MR susceptibility mapping compared with conventional contrast-enhanced MR: confounding effect of ele...
- Magnetic resonance imaging improves detection of intracerebral hemorrhage over computed tomography after intra-arterial thrombolysis.
- Dynamic magnetic resonance perfusion imaging of brain tumors.
- Flow voids in time-of-flight MR angiography of carotid artery stenosis? It depends on the TE!
- CT versus MR for acute stroke imaging: is the "obvious" choice necessarily the correct one?
- Correlation of early dynamic CT perfusion imaging with whole-brain MR diffusion and perfusion imaging in acute hemispheric stroke.
- Total occlusion versus hairline residual lumen of the internal carotid arteries: accuracy of single section helical CT angiography.
- Clinical diffusion mismatch better discriminates infarct growth than mean transit time-diffusion weighted imaging mismatch in patients with middle cerebral artery-M1 o...
- Intracranial hemorrhage alters scalp potential distribution in bioimpedance cerebral monitoring: Preliminary results from FEM simulation on a realistic head model and ...
- An Electrocorticography Grid with Conductive Nanoparticles in a Polymer Thick Film on an Organic Substrate Improves CT and MR Imaging.
Schools
The Warren Alpert Medical School Of Brown University
Boston University Hospital
Massachusetts General Hospital
Mass Gen Hospital
Doctors Specialties
- Neuroradiology
- Radiology
Accepted Insurances
Education
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Massachusetts General Hospital -
Boston University Medical Center -
Warren Alpert Medical School of Brown University
Hospital
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Massachusetts General Hospital
Helpful Reviews
Medicare Facts
| National Provider Identifier [NPI] | 1962492033 |
| Last Name Of The Provider | LEV |
| First Name Of The Provider | MICHAEL |
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