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Items: 1 to 50 of 81

1.

Ten-year analysis of saccular aneurysms in the Barrow Ruptured Aneurysm Trial.

Spetzler RF, McDougall CG, Zabramski JM, Albuquerque FC, Hills NK, Nakaji P, Karis JP, Wallace RC.

J Neurosurg. 2019 Mar 8:1-6. doi: 10.3171/2018.8.JNS181846. [Epub ahead of print]

PMID:
30849758
2.

Accurate Patient-Specific Machine Learning Models of Glioblastoma Invasion Using Transfer Learning.

Hu LS, Yoon H, Eschbacher JM, Baxter LC, Dueck AC, Nespodzany A, Smith KA, Nakaji P, Xu Y, Wang L, Karis JP, Hawkins-Daarud AJ, Singleton KW, Jackson PR, Anderies BJ, Bendok BR, Zimmerman RS, Quarles C, Porter-Umphrey AB, Mrugala MM, Sharma A, Hoxworth JM, Sattur MG, Sanai N, Koulemberis PE, Krishna C, Mitchell JR, Wu T, Tran NL, Swanson KR, Li J.

AJNR Am J Neuroradiol. 2019 Mar;40(3):418-425. doi: 10.3174/ajnr.A5981. Epub 2019 Feb 28.

PMID:
30819771
3.

Procedural Variables Influencing Stereotactic Accuracy and Efficiency in Deep Brain Stimulation Surgery.

Mirzadeh Z, Chen T, Chapple KM, Lambert M, Karis JP, Dhall R, Ponce FA.

Oper Neurosurg (Hagerstown). 2019 Jul 1;17(1):70-78. doi: 10.1093/ons/opy291.

PMID:
30339204
4.

Spinal Coccidioidomycosis: MR Imaging Findings in 41 Patients.

Crete RN, Gallmann W, Karis JP, Ross J.

AJNR Am J Neuroradiol. 2018 Nov;39(11):2148-2153. doi: 10.3174/ajnr.A5818. Epub 2018 Oct 4.

PMID:
30287458
5.

A 2D spiral turbo-spin-echo technique.

Li Z, Karis JP, Pipe JG.

Magn Reson Med. 2018 Nov;80(5):1989-1996. doi: 10.1002/mrm.27171. Epub 2018 Mar 9.

PMID:
29524248
6.

Reply.

Buller M, Karis JP.

AJNR Am J Neuroradiol. 2017 Nov;38(11):E89. doi: 10.3174/ajnr.A5325. Epub 2017 Jul 13. No abstract available.

7.

Improving the utility of 1H-MRS for the differentiation of glioma recurrence from radiation necrosis.

Crain ID, Elias PS, Chapple K, Scheck AC, Karis JP, Preul MC.

J Neurooncol. 2017 May;133(1):97-105. doi: 10.1007/s11060-017-2407-y. Epub 2017 May 29.

PMID:
28555423
8.

Introduction of a Dedicated Emergency Department MR Imaging Scanner at the Barrow Neurological Institute.

Buller M, Karis JP.

AJNR Am J Neuroradiol. 2017 Aug;38(8):1480-1485. doi: 10.3174/ajnr.A5210. Epub 2017 May 11.

9.

Radiogenomics to characterize regional genetic heterogeneity in glioblastoma.

Hu LS, Ning S, Eschbacher JM, Baxter LC, Gaw N, Ranjbar S, Plasencia J, Dueck AC, Peng S, Smith KA, Nakaji P, Karis JP, Quarles CC, Wu T, Loftus JC, Jenkins RB, Sicotte H, Kollmeyer TM, O'Neill BP, Elmquist W, Hoxworth JM, Frakes D, Sarkaria J, Swanson KR, Tran NL, Li J, Mitchell JR.

Neuro Oncol. 2017 Jan;19(1):128-137. doi: 10.1093/neuonc/now135. Epub 2016 Aug 8.

10.

A Spiral Spin-Echo MR Imaging Technique for Improved Flow Artifact Suppression in T1-Weighted Postcontrast Brain Imaging: A Comparison with Cartesian Turbo Spin-Echo.

Li Z, Hu HH, Miller JH, Karis JP, Cornejo P, Wang D, Pipe JG.

AJNR Am J Neuroradiol. 2016 Apr;37(4):642-7. doi: 10.3174/ajnr.A4600. Epub 2015 Nov 26.

11.

Multi-Parametric MRI and Texture Analysis to Visualize Spatial Histologic Heterogeneity and Tumor Extent in Glioblastoma.

Hu LS, Ning S, Eschbacher JM, Gaw N, Dueck AC, Smith KA, Nakaji P, Plasencia J, Ranjbar S, Price SJ, Tran N, Loftus J, Jenkins R, O'Neill BP, Elmquist W, Baxter LC, Gao F, Frakes D, Karis JP, Zwart C, Swanson KR, Sarkaria J, Wu T, Mitchell JR, Li J.

PLoS One. 2015 Nov 24;10(11):e0141506. doi: 10.1371/journal.pone.0141506. eCollection 2015.

12.

Impact of Software Modeling on the Accuracy of Perfusion MRI in Glioma.

Hu LS, Kelm Z, Korfiatis P, Dueck AC, Elrod C, Ellingson BM, Kaufmann TJ, Eschbacher JM, Karis JP, Smith K, Nakaji P, Brinkman D, Pafundi D, Baxter LC, Erickson BJ.

AJNR Am J Neuroradiol. 2015 Dec;36(12):2242-9. doi: 10.3174/ajnr.A4451. Epub 2015 Sep 10.

13.

Arterial spin labeled perfusion imaging using three-dimensional turbo spin echo with a distributed spiral-in/out trajectory.

Li Z, Schär M, Wang D, Zwart NR, Madhuranthakam AJ, Karis JP, Pipe JG.

Magn Reson Med. 2016 Jan;75(1):266-73. doi: 10.1002/mrm.25645. Epub 2015 Mar 5.

PMID:
25754947
14.

Sliding-slab three-dimensional TSE imaging with a spiral-In/Out readout.

Li Z, Wang D, Robison RK, Zwart NR, Schär M, Karis JP, Pipe JG.

Magn Reson Med. 2016 Feb;75(2):729-38. doi: 10.1002/mrm.25660. Epub 2015 Mar 7.

PMID:
25753219
15.

The effects of SENSE on PROPELLER imaging.

Chang Y, Pipe JG, Karis JP, Gibbs WN, Zwart NR, Schär M.

Magn Reson Med. 2015 Dec;74(6):1598-608. doi: 10.1002/mrm.25557. Epub 2014 Dec 17.

PMID:
25522132
16.

Finger displacement in Parkinson disease: up? down? sideways?

Lieberman A, Dhall R, Salins N, Sadreddin A, Moguel-Cobos G, Karis J, Krishnamurthi N.

Int J Neurosci. 2014 May;124(5):339-43. doi: 10.3109/00207454.2013.846341. Epub 2013 Dec 12.

PMID:
24053160
17.

Revised motion estimation algorithm for PROPELLER MRI.

Pipe JG, Gibbs WN, Li Z, Karis JP, Schar M, Zwart NR.

Magn Reson Med. 2014 Aug;72(2):430-7. doi: 10.1002/mrm.24929. Epub 2013 Sep 4.

PMID:
24006354
18.

Reevaluating the imaging definition of tumor progression: perfusion MRI quantifies recurrent glioblastoma tumor fraction, pseudoprogression, and radiation necrosis to predict survival.

Hu LS, Eschbacher JM, Heiserman JE, Dueck AC, Shapiro WR, Liu S, Karis JP, Smith KA, Coons SW, Nakaji P, Spetzler RF, Feuerstein BG, Debbins J, Baxter LC.

Neuro Oncol. 2012 Jul;14(7):919-30. doi: 10.1093/neuonc/nos112. Epub 2012 May 3.

19.

Case of the month. The uncontrollable shaking arm.

Schraml FV, Karis J, Mullen BR.

Br J Radiol. 2011 Dec;84(1008):1153-5. doi: 10.1259/bjr/31650853. No abstract available.

20.

Correlations between perfusion MR imaging cerebral blood volume, microvessel quantification, and clinical outcome using stereotactic analysis in recurrent high-grade glioma.

Hu LS, Eschbacher JM, Dueck AC, Heiserman JE, Liu S, Karis JP, Smith KA, Shapiro WR, Pinnaduwage DS, Coons SW, Nakaji P, Debbins J, Feuerstein BG, Baxter LC.

AJNR Am J Neuroradiol. 2012 Jan;33(1):69-76. doi: 10.3174/ajnr.A2743. Epub 2011 Nov 17.

21.

X-PROP: a fast and robust diffusion-weighted propeller technique.

Li Z, Pipe JG, Lee CY, Debbins JP, Karis JP, Huo D.

Magn Reson Med. 2011 Aug;66(2):341-7. doi: 10.1002/mrm.23033. Epub 2011 Jun 9.

22.

A parallel imaging technique using mutual calibration for split-blade diffusion-weighted PROPELLER.

Li Z, Pipe JG, Aboussouan E, Karis JP, Huo D.

Magn Reson Med. 2011 Mar;65(3):638-44. doi: 10.1002/mrm.22646. Epub 2010 Oct 6.

23.

Optimized preload leakage-correction methods to improve the diagnostic accuracy of dynamic susceptibility-weighted contrast-enhanced perfusion MR imaging in posttreatment gliomas.

Hu LS, Baxter LC, Pinnaduwage DS, Paine TL, Karis JP, Feuerstein BG, Schmainda KM, Dueck AC, Debbins J, Smith KA, Nakaji P, Eschbacher JM, Coons SW, Heiserman JE.

AJNR Am J Neuroradiol. 2010 Jan;31(1):40-8. doi: 10.3174/ajnr.A1787. Epub 2009 Sep 12.

24.

Anatomical and biomechanical analyses of the unique and consistent locations of sacral insufficiency fractures.

Linstrom NJ, Heiserman JE, Kortman KE, Crawford NR, Baek S, Anderson RL, Pitt AM, Karis JP, Ross JS, Lekovic GP, Dean BL.

Spine (Phila Pa 1976). 2009 Feb 15;34(4):309-15. doi: 10.1097/BRS.0b013e318191ea01.

25.

Turboprop IDEAL: a motion-resistant fat-water separation technique.

Huo D, Li Z, Aboussouan E, Karis JP, Pipe JG.

Magn Reson Med. 2009 Jan;61(1):188-95. doi: 10.1002/mrm.21825.

26.

Relative cerebral blood volume values to differentiate high-grade glioma recurrence from posttreatment radiation effect: direct correlation between image-guided tissue histopathology and localized dynamic susceptibility-weighted contrast-enhanced perfusion MR imaging measurements.

Hu LS, Baxter LC, Smith KA, Feuerstein BG, Karis JP, Eschbacher JM, Coons SW, Nakaji P, Yeh RF, Debbins J, Heiserman JE.

AJNR Am J Neuroradiol. 2009 Mar;30(3):552-8. doi: 10.3174/ajnr.A1377. Epub 2008 Dec 4.

27.

Epilepsy.

Karis JP; Expert Panel on Neurologic Imaging.

AJNR Am J Neuroradiol. 2008 Jun;29(6):1222-4. Review. No abstract available.

28.

Neurosurgical implications of mannitol accumulation within a meningioma and its peritumoral region demonstrated by magnetic resonance spectroscopy: case report.

Sankar T, Assina R, Karis JP, Theodore N, Preul MC.

J Neurosurg. 2008 May;108(5):1010-3. doi: 10.3171/JNS/2008/108/5/1010.

PMID:
18447720
29.

Incidence of Langerhans cell histiocytosis in children: a population-based study.

Stålemark H, Laurencikas E, Karis J, Gavhed D, Fadeel B, Henter JI.

Pediatr Blood Cancer. 2008 Jul;51(1):76-81. doi: 10.1002/pbc.21504.

PMID:
18266220
30.

Preliminary Experience with 3-Tesla MRI and Cushing's Disease.

Kim LJ, Lekovic GP, White WL, Karis J.

Skull Base. 2007 Jul;17(4):273-7. doi: 10.1055/s-2007-985196.

31.

MR imaging of papillary tumor of the pineal region.

Chang AH, Fuller GN, Debnam JM, Karis JP, Coons SW, Ross JS, Dean BL.

AJNR Am J Neuroradiol. 2008 Jan;29(1):187-9. Epub 2007 Oct 9.

32.

Noninvasive imaging of treated cerebral aneurysms, Part II: CT angiographic follow-up of surgically clipped aneurysms.

Wallace RC, Karis JP, Partovi S, Fiorella D.

AJNR Am J Neuroradiol. 2007 Aug;28(7):1207-12. Review.

33.

Noninvasive imaging of treated cerebral aneurysms, part I: MR angiographic follow-up of coiled aneurysms.

Wallace RC, Karis JP, Partovi S, Fiorella D.

AJNR Am J Neuroradiol. 2007 Jun-Jul;28(6):1001-8. Review.

34.

Elevated serum levels of the decoy receptor osteoprotegerin in children with Langerhans cell histiocytosis.

Rosso DA, Karis J, Braier JL, Henter JI, Fadeel B.

Pediatr Res. 2006 Feb;59(2):281-6.

PMID:
16439593
35.

Meningioma with pneumosinus dilatans.

Mai A, Karis J, Sivakumar K.

Neurology. 2003 Jun 10;60(11):1861. No abstract available.

PMID:
12796553
37.

Effects of zero-filled interpolation on cervical magnetic resonance angiographic measurement.

Forbes KP, Pipe JG, Karis JP, Heiserman JE.

AJNR Am J Neuroradiol. 2003 Mar;24(3):319-22.

38.

Improved image quality and detection of acute cerebral infarction with PROPELLER diffusion-weighted MR imaging.

Forbes KP, Pipe JG, Karis JP, Heiserman JE.

Radiology. 2002 Nov;225(2):551-5.

PMID:
12409594
39.

Radiologic assessment of temporal lobe epilepsy.

Leonard EL, Stoane JM, Karis JP.

Radiol Technol. 1999 Jan-Feb;70(3):270-7; quiz 278-80. Review.

PMID:
10451718
40.

Fast spin echo MR imaging.

Partovi S, Fram EK, Karis JP.

Neuroimaging Clin N Am. 1999 Aug;9(3):553-76. Review.

PMID:
10433645
41.

Bilateral temporal hypometabolism in epilepsy.

Blum DE, Ehsan T, Dungan D, Karis JP, Fisher RS.

Epilepsia. 1998 Jun;39(6):651-9.

42.

Differentiating recurrent tumor from radiation necrosis: time for re-evaluation of positron emission tomography?

Ricci PE, Karis JP, Heiserman JE, Fram EK, Bice AN, Drayer BP.

AJNR Am J Neuroradiol. 1998 Mar;19(3):407-13.

43.

Prospective investigation of positron emission tomography in lung nodules.

Lowe VJ, Fletcher JW, Gobar L, Lawson M, Kirchner P, Valk P, Karis J, Hubner K, Delbeke D, Heiberg EV, Patz EF, Coleman RE.

J Clin Oncol. 1998 Mar;16(3):1075-84.

PMID:
9508193
44.

Epilepsy for the neuroradiologist.

Fisher RS, Stein A, Karis J.

AJNR Am J Neuroradiol. 1997 May;18(5):851-63. Review. No abstract available.

45.

An alternative to GRASE: toward spin-echo-like contrast with independent reconstruction of gradient-echo images.

Keller PJ, Karis JP, Fram EK, Heiserman JE, Drayer BP.

Magn Reson Med. 1996 Nov;36(5):804-8.

PMID:
8916034
46.

Biological phenotype of HIV type 2 isolates correlates with V3 genotype.

Albert J, Stålhandske P, Marquina S, Karis J, Fouchier RA, Norrby E, Chiodi F.

AIDS Res Hum Retroviruses. 1996 Jun 10;12(9):821-8.

PMID:
8738434
47.

V3 sequences of paired HIV-1 isolates from blood and cerebrospinal fluid cluster according to host and show variation related to the clinical stage of disease.

Keys B, Karis J, Fadeel B, Valentin A, Norkrans G, Hagberg L, Chiodi F.

Virology. 1993 Oct;196(2):475-83.

PMID:
8372430
48.

Bilateral tension pneumothorax caused by a blocked bacterial filter in an anesthesia breathing circuit.

McEwan AI, Dowell L, Karis JH.

Anesth Analg. 1993 Feb;76(2):440-2. No abstract available.

PMID:
8424529
49.
50.

Hidden costs of disposables: is color coding desirable?

Karis JH.

Anesth Analg. 1990 Aug;71(2):203-4. No abstract available.

PMID:
2375524

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