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Items: 1 to 50 of 190

1.

Nontraumatic Head and Neck Emergencies.

Kamalian S, Avery L, Lev MH, Schaefer PW, Curtin HD, Kamalian S.

Radiographics. 2019 Oct;39(6):1808-1823. doi: 10.1148/rg.2019190159.

PMID:
31589568
2.

Central Nervous System Vasculopathies.

Soun JE, Song JW, Romero JM, Schaefer PW.

Radiol Clin North Am. 2019 Nov;57(6):1117-1131. doi: 10.1016/j.rcl.2019.07.005. Epub 2019 Aug 16. Review.

PMID:
31582039
3.

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

Kelley BP, Caruso PA, Schaefer PW.

AJNR Am J Neuroradiol. 2019 Oct;40(10):E60-E61. doi: 10.3174/ajnr.A6196. Epub 2019 Sep 12. No abstract available.

PMID:
31515220
4.

Academic Performance-Based Compensation Models.

Mehan WA Jr, Schaefer PW, Hirsch JA.

J Am Coll Radiol. 2019 Jun 4. pii: S1546-1440(19)30609-X. doi: 10.1016/j.jacr.2019.05.021. [Epub ahead of print]

PMID:
31173743
5.

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

Winzeck S, Mocking SJT, Bezerra R, Bouts MJRJ, McIntosh EC, Diwan I, Garg P, Chutinet A, Kimberly WT, Copen WA, Schaefer PW, Ay H, Singhal AB, Kamnitsas K, Glocker B, Sorensen AG, Wu O.

AJNR Am J Neuroradiol. 2019 Jun;40(6):938-945. doi: 10.3174/ajnr.A6077. Epub 2019 May 30.

PMID:
31147354
6.

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

Song JW, Obusez EC, Raymond SB, Rafla SD, Schaefer PW, Romero JM.

J Neuroimaging. 2019 Jul;29(4):454-457. doi: 10.1111/jon.12607. Epub 2019 Feb 13.

PMID:
30761654
7.

High resolution vessel wall MR imaging in prestenotic intracranial atherosclerotic disease.

Song JW, Rafla SD, Obusez EC, Raymond SB, Gurol EM, Schaefer PW, Romero JM.

J Clin Neurosci. 2019 May;63:278-280. doi: 10.1016/j.jocn.2019.01.008. Epub 2019 Jan 22.

PMID:
30683465
8.

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

Leslie-Mazwi TM, Lev MH, Schaefer PW, Hirsch JA, González RG.

Neuroimaging Clin N Am. 2018 Nov;28(4):573-584. doi: 10.1016/j.nic.2018.06.003. Epub 2018 Sep 15. Review.

PMID:
30322594
9.

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

Taylor JB, Prager LM, Quijije NV, Schaefer PW.

N Engl J Med. 2018 Jul 12;379(2):182-189. doi: 10.1056/NEJMcpc1712229. No abstract available.

PMID:
29996076
10.

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

El-Jawahri AR, Schaefer PW, El Khoury JB, Martinez-Lage M.

N Engl J Med. 2018 Feb 15;378(7):659-669. doi: 10.1056/NEJMcpc1707556. No abstract available.

PMID:
29443669
11.

Patient selection for mechanical thrombectomy in posterior circulation emergent large-vessel occlusion.

Raymond S, Rost NS, Schaefer PW, Leslie-Mazwi T, Hirsch JA, Gonzalez RG, Rabinov J.

Interv Neuroradiol. 2018 Jun;24(3):309-316. doi: 10.1177/1591019917747253. Epub 2017 Dec 12.

12.

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

Copen WA, Yoo AJ, Rost NS, Morais LT, Schaefer PW, González RG, Wu O.

PLoS One. 2017 Nov 30;12(11):e0188891. doi: 10.1371/journal.pone.0188891. eCollection 2017.

13.

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

Lyons JL, Schaefer PW, Cho TA, Azar MM.

N Engl J Med. 2017 Nov 9;377(19):1878-1886. doi: 10.1056/NEJMcpc1707557. No abstract available.

PMID:
29117489
14.

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

Glover M 4th, Almeida RR, Schaefer PW, Lev MH, Mehan WA Jr.

J Am Coll Radiol. 2017 Nov;14(11):1498-1503. doi: 10.1016/j.jacr.2017.07.023. Epub 2017 Sep 13.

PMID:
28916177
15.

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

Longo MG, Fagundes J, Huang S, Mehan W, Witzel T, Bhat H, Heberlein K, Rosen BR, Rosenthal D, Gonzalez RG, Schaefer PW, Rapalino O.

J Neuroimaging. 2017 Sep;27(5):442-446. doi: 10.1111/jon.12453. Epub 2017 Jun 2.

PMID:
28574665
16.

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

Raymond SB, Schaefer PW.

Top Magn Reson Imaging. 2017 Apr;26(2):67-75. doi: 10.1097/RMR.0000000000000123. Review.

PMID:
28277461
17.

Other cerebrovascular occlusive disease.

Camargo ECS, Schaefer PW, Singhal AB.

Handb Clin Neurol. 2016;135:317-350. doi: 10.1016/B978-0-444-53485-9.00017-9. Review.

PMID:
27432673
18.

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

Fenves AZ, Schaefer PW, Luther J, Pierce VM.

N Engl J Med. 2016 Jul 14;375(2):163-71. doi: 10.1056/NEJMcpc1600838. No abstract available.

PMID:
27410926
19.

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

Hirsch JA, Harvey HB, Barr RM, Donovan WD, Duszak R Jr, Nicola GN, Schaefer PW, Manchikanti L.

AJNR Am J Neuroradiol. 2016 Feb;37(2):210-4. doi: 10.3174/ajnr.A4522. Epub 2015 Nov 19. No abstract available.

20.

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

Heit JJ, Gonzalez RG, Sabbag D, Brouwers HB, Ordonez Rubiano EG, Schaefer PW, Hirsch JA, Romero JM.

J Neurointerv Surg. 2016 Nov;8(11):1168-1172. doi: 10.1136/neurintsurg-2015-012082. Epub 2015 Nov 9.

PMID:
26553878
21.

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

Leslie-Mazwi TM, Hirsch JA, Falcone GJ, Schaefer PW, Lev MH, Rabinov JD, Rost NS, Schwamm L, González RG.

JAMA Neurol. 2016 Jan;73(1):43-9. doi: 10.1001/jamaneurol.2015.3000.

PMID:
26524074
22.

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

Harvey HB, Tomov E, Babayan A, Dwyer K, Boland S, Pandharipande PV, Halpern EF, Alkasab TK, Hirsch JA, Schaefer PW, Boland GW, Choy G.

J Am Coll Radiol. 2016 Feb;13(2):124-30. doi: 10.1016/j.jacr.2015.07.013. Epub 2015 Oct 9.

PMID:
26454772
23.

Multiple Procedure Payment Reduction: Health Policy Update.

Rehani B, Hirsch JA, Dillon WP, González RG, Lev MH, Schaefer PW.

AJNR Am J Neuroradiol. 2015 Nov;36(11):2007-9. doi: 10.3174/ajnr.A4523. Epub 2015 Sep 17.

24.

Acute ischemic stroke imaging: a practical approach for diagnosis and triage.

Young JY, Schaefer PW.

Int J Cardiovasc Imaging. 2016 Jan;32(1):19-33. doi: 10.1007/s10554-015-0757-0. Epub 2015 Sep 11. Review.

PMID:
26362874
25.

(7E,11E)-3,5,9,11-Tetramethyltridecadienal: Sex Pheromone of the Strepsipteran Xenos peckii.

Hrabar M, Zhai H, Gries R, Schaefer PW, Draper J, Britton R, Gries G.

J Chem Ecol. 2015 Aug;41(8):732-9. doi: 10.1007/s10886-015-0613-7. Epub 2015 Aug 14.

PMID:
26271674
26.

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

Wu O, Cloonan L, Mocking SJ, Bouts MJ, Copen WA, Cougo-Pinto PT, Fitzpatrick K, Kanakis A, Schaefer PW, Rosand J, Furie KL, Rost NS.

Stroke. 2015 Sep;46(9):2438-44. doi: 10.1161/STROKEAHA.115.009643. Epub 2015 Jul 21.

27.

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

Copen WA, Morais LT, Wu O, Schwamm LH, Schaefer PW, González RG, Yoo AJ.

PLoS One. 2015 Jul 20;10(7):e0133566. doi: 10.1371/journal.pone.0133566. eCollection 2015.

28.

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

Vachha BA, Schaefer PW.

Radiol Clin North Am. 2015 Jul;53(4):801-26, ix. doi: 10.1016/j.rcl.2015.02.012. Epub 2015 Mar 29. Review.

PMID:
26046512
29.

The peer review process: a primer for JNIS readers.

Hirsch JA, Manchikanti L, Albuquerque FC, Leslie-Mazwi TM, Lev MH, Linfante I, Mocco J, Rai AT, Schaefer PW, Tarr RW.

J Neurointerv Surg. 2017 Jul;9(e1):e3-e6. doi: 10.1136/neurintsurg-2015-011781. Epub 2015 Apr 17. Review.

PMID:
25888447
30.

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

Schaefer PW, Souza L, Kamalian S, Hirsch JA, Yoo AJ, Kamalian S, Gonzalez RG, Lev MH.

Stroke. 2015 Feb;46(2):419-24. doi: 10.1161/STROKEAHA.114.007117. Epub 2014 Dec 30.

31.

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

Copen WA, Deipolyi AR, Schaefer PW, Schwamm LH, González RG, Wu O.

AJNR Am J Neuroradiol. 2015 Apr;36(4):638-45. doi: 10.3174/ajnr.A4186. Epub 2014 Dec 11.

32.

Optimal brain MRI protocol for new neurological complaint.

Mehan WA Jr, González RG, Buchbinder BR, Chen JW, Copen WA, Gupta R, Hirsch JA, Hunter GJ, Hunter S, Johnson JM, Kelly HR, Larvie M, Lev MH, Pomerantz SR, Rapalino O, Rincon S, Romero JM, Schaefer PW, Shah V.

PLoS One. 2014 Oct 24;9(10):e110803. doi: 10.1371/journal.pone.0110803. eCollection 2014.

33.

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

Schaefer PW, Pulli B, Copen WA, Hirsch JA, Leslie-Mazwi T, Schwamm LH, Wu O, González RG, Yoo AJ.

AJNR Am J Neuroradiol. 2015 Feb;36(2):259-64. doi: 10.3174/ajnr.A4103. Epub 2014 Sep 25.

34.

Time and diffusion lesion size in major anterior circulation ischemic strokes.

Hakimelahi R, Vachha BA, Copen WA, Papini GD, He J, Higazi MM, Lev MH, Schaefer PW, Yoo AJ, Schwamm LH, González RG.

Stroke. 2014 Oct;45(10):2936-41. doi: 10.1161/STROKEAHA.114.005644. Epub 2014 Sep 4.

PMID:
25190444
35.

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

Timpone VM, Lev MH, Kamalian S, Morais LT, Franceschi AM, Souza L, Schaefer PW.

AJNR Am J Neuroradiol. 2015 Jan;36(1):40-5. doi: 10.3174/ajnr.A4091. Epub 2014 Sep 4.

36.

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

Cho TA, Chi AS, Schaefer PW.

N Engl J Med. 2014 Jun 26;370(26):2545. doi: 10.1056/NEJMc1404375. No abstract available.

PMID:
24963586
37.

Affordable care 2014: a tale of two boards.

Hirsch JA, Barr RM, McGinty G, Nicola GN, Schaefer PW, Silva E 3rd, Manchikanti L.

J Neurointerv Surg. 2014 Nov;6(9):718-20. doi: 10.1136/neurintsurg-2014-011322. Epub 2014 Jun 24.

PMID:
24962452
38.

3 Tesla intraoperative MRI for brain tumor surgery.

Ginat DT, Swearingen B, Curry W, Cahill D, Madsen J, Schaefer PW.

J Magn Reson Imaging. 2014 Jun;39(6):1357-65. Review.

PMID:
24921066
39.

Comparative effectiveness research.

Hirsch JA, Schaefer PW, Romero JM, Rabinov JD, Sanelli PC, Manchikanti L.

AJNR Am J Neuroradiol. 2014 Sep;35(9):1677-80. doi: 10.3174/ajnr.A3985. Epub 2014 May 29.

40.

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

Orru' E, Arenson RA, Schaefer PW, Mukherji SK, Yousem DM.

J Am Coll Radiol. 2014 Aug;11(8):796-801.e2. doi: 10.1016/j.jacr.2013.12.023. Epub 2014 Apr 6.

PMID:
24713500
41.

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

Cho TA, Chi AS, Schaefer PW, Louis DN.

N Engl J Med. 2014 Mar 13;370(11):1049-59. doi: 10.1056/NEJMcpc1214216. No abstract available. Erratum in: N Engl J Med. 2014 May 15;370(20):1962.

PMID:
24620869
42.

Imaging guidelines and findings of extracranial glioblastoma.

Ginat DT, Schaefer PW.

J Neurooncol. 2014 May;118(1):9-18. doi: 10.1007/s11060-014-1404-7. Epub 2014 Feb 21. Review.

PMID:
24557958
43.

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

Ginat DT, Walcott BP, Mordes D, Schaefer PW, Nahed B.

Clin Imaging. 2014 May-Jun;38(3):322-5. doi: 10.1016/j.clinimag.2013.12.003. Epub 2013 Dec 21.

PMID:
24456989
44.

Stroke and stroke mimics: a pattern-based approach.

Boulter DJ, Schaefer PW.

Semin Roentgenol. 2014 Jan;49(1):22-38. doi: 10.1053/j.ro.2013.10.005. Epub 2013 Nov 5. Review. No abstract available.

PMID:
24342673
45.

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

Borja MJ, Schaefer PW, Boulter DJ.

Semin Roentgenol. 2014 Jan;49(1):4-9. doi: 10.1053/j.ro.2013.11.004. Epub 2013 Nov 25. No abstract available.

PMID:
24342671
46.

Letter from the guest editor: brain imaging.

Schaefer PW.

Semin Roentgenol. 2014 Jan;49(1):3. doi: 10.1053/j.ro.2013.11.003. Epub 2013 Nov 11. No abstract available.

PMID:
24342670
47.

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

Mehan WA Jr, Romero JM, Hirsch JA, Sabbag DJ, Gonzalez RG, Heit JJ, Schaefer PW.

J Neurointerv Surg. 2014 Dec;6(10):761-6. doi: 10.1136/neurintsurg-2013-010944. Epub 2013 Nov 25.

PMID:
24275611
48.

The Independent Payment Advisory Board.

Hirsch JA, Donovan WD, Barr RM, Nicola GN, Rosman DA, Schaefer PW, Manchikanti L.

AJNR Am J Neuroradiol. 2014 Jun;35(6):1066-9. doi: 10.3174/ajnr.A3736. Epub 2013 Oct 17. No abstract available.

49.

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.

Wintermark M, Sanelli PC, Albers GW, Bello JA, Derdeyn CP, Hetts SW, Johnson MH, Kidwell CS, Lev MH, Liebeskind DS, Rowley HA, Schaefer PW, Sunshine JL, Zaharchuk G, Meltzer CC; American Society of Neuroradiology; American College of Radiology; Society of NeuroInterventional Surgery.

J Am Coll Radiol. 2013 Nov;10(11):828-32. doi: 10.1016/j.jacr.2013.06.019. Epub 2013 Aug 13.

50.

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.

Wintermark M, Sanelli PC, Albers GW, Bello J, Derdeyn C, Hetts SW, Johnson MH, Kidwell C, Lev MH, Liebeskind DS, Rowley H, Schaefer PW, Sunshine JL, Zaharchuk G, Meltzer CC.

AJNR Am J Neuroradiol. 2013 Nov-Dec;34(11):E117-27. doi: 10.3174/ajnr.A3690. Epub 2013 Aug 1.

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