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Items: 45

1.

Delayed clearance of cerebrospinal fluid tracer from choroid plexus in idiopathic normal pressure hydrocephalus.

Eide PK, Valnes LM, Pripp AH, Mardal KA, Ringstad G.

J Cereb Blood Flow Metab. 2019 Sep 7:271678X19874790. doi: 10.1177/0271678X19874790. [Epub ahead of print]

PMID:
31495299
2.

Intrathecal Use of Gadobutrol for Glymphatic MR Imaging: Prospective Safety Study of 100 Patients.

Edeklev CS, Halvorsen M, Løvland G, Vatnehol SAS, Gjertsen Ø, Nedregaard B, Sletteberg R, Ringstad G, Eide PK.

AJNR Am J Neuroradiol. 2019 Aug;40(8):1257-1264. doi: 10.3174/ajnr.A6136. Epub 2019 Jul 18.

PMID:
31320462
3.

Respiratory influence on cerebrospinal fluid flow - a computational study based on long-term intracranial pressure measurements.

Vinje V, Ringstad G, Lindstrøm EK, Valnes LM, Rognes ME, Eide PK, Mardal KA.

Sci Rep. 2019 Jul 5;9(1):9732. doi: 10.1038/s41598-019-46055-5.

4.

The Human Visual Pathway Communicates Directly With the Subarachnoid Space.

Jacobsen HH, Ringstad G, Jørstad ØK, Moe MC, Sandell T, Eide PK.

Invest Ophthalmol Vis Sci. 2019 Jun 3;60(7):2773-2780. doi: 10.1167/iovs.19-26997.

PMID:
31247084
5.

Chiari malformation type 1 – diagnosis and treatment.

Fric R, Ringstad G, Eide PK.

Tidsskr Nor Laegeforen. 2019 Jun 11;139(10). doi: 10.4045/tidsskr.18.0455. Print 2019 Jun 25. Norwegian.

6.

"Bucket" cerebrospinal fluid bulk flow: when the terrain disagrees with the map.

Eide PK, Sorteberg A, Sorteberg W, Lindstrøm EK, Mardal KA, Ringstad G.

Acta Neurochir (Wien). 2019 Feb;161(2):259-261. doi: 10.1007/s00701-018-3775-6. Epub 2018 Dec 17. No abstract available.

PMID:
30560378
7.

Magnitude and direction of aqueductal cerebrospinal fluid flow: large variations in patients with intracranial aneurysms with or without a previous subarachnoid hemorrhage.

Lindstrøm EK, Ringstad G, Sorteberg A, Sorteberg W, Mardal KA, Eide PK.

Acta Neurochir (Wien). 2019 Feb;161(2):247-256. doi: 10.1007/s00701-018-3730-6. Epub 2018 Nov 15.

PMID:
30443816
8.

Are volume measurements of non-functioning pituitary adenomas reliable?

Øystese KAB, Hisanawi S, Zucknick M, Bollerslev J, Ringstad G.

Endocrine. 2019 Jan;63(1):171-176. doi: 10.1007/s12020-018-1752-8. Epub 2018 Sep 26.

PMID:
30259294
9.

Cerebrospinal fluid volumetric net flow rate and direction in idiopathic normal pressure hydrocephalus.

Lindstrøm EK, Ringstad G, Mardal KA, Eide PK.

Neuroimage Clin. 2018;20:731-741. doi: 10.1016/j.nicl.2018.09.006. Epub 2018 Sep 14.

10.

Aggressive melanoma in an infant with congenital melanocytic nevus syndrome and multiple, NRAS and BRAF mutation-negative nodules.

de la Rosa Carrillo D, Vindenes H, Kinsler VA, Rønnestad A, Ringstad G, Müller LO, Tafjord S, Tønseth KA, Kvamme B, Clausen OPF.

Pediatr Dermatol. 2018 Sep;35(5):e281-e285. doi: 10.1111/pde.13595. Epub 2018 Jul 12.

PMID:
29999207
11.

Brain-wide glymphatic enhancement and clearance in humans assessed with MRI.

Ringstad G, Valnes LM, Dale AM, Pripp AH, Vatnehol SS, Emblem KE, Mardal KA, Eide PK.

JCI Insight. 2018 Jul 12;3(13). pii: 121537. doi: 10.1172/jci.insight.121537.

12.

Magnetic resonance imaging provides evidence of glymphatic drainage from human brain to cervical lymph nodes.

Eide PK, Vatnehol SAS, Emblem KE, Ringstad G.

Sci Rep. 2018 May 8;8(1):7194. doi: 10.1038/s41598-018-25666-4.

13.

Delayed clearance of cerebrospinal fluid tracer from entorhinal cortex in idiopathic normal pressure hydrocephalus: A glymphatic magnetic resonance imaging study.

Eide PK, Ringstad G.

J Cereb Blood Flow Metab. 2019 Jul;39(7):1355-1368. doi: 10.1177/0271678X18760974. Epub 2018 Feb 27.

PMID:
29485341
14.

Comparison of phase-contrast MR and flow simulations for the study of CSF dynamics in the cervical spine.

Lindstrøm EK, Schreiner J, Ringstad GA, Haughton V, Eide PK, Mardal KA.

Neuroradiol J. 2018 Jun;31(3):292-298. doi: 10.1177/1971400918759812. Epub 2018 Feb 21.

15.

Non-invasive assessment of pulsatile intracranial pressure with phase-contrast magnetic resonance imaging.

Ringstad G, Lindstrøm EK, Vatnehol SAS, Mardal KA, Emblem KE, Eide PK.

PLoS One. 2017 Nov 30;12(11):e0188896. doi: 10.1371/journal.pone.0188896. eCollection 2017.

16.

The Evans' Index revisited: New cut-off levels for use in radiological assessment of ventricular enlargement in the elderly.

Brix MK, Westman E, Simmons A, Ringstad GA, Eide PK, Wagner-Larsen K, Page CM, Vitelli V, Beyer MK.

Eur J Radiol. 2017 Oct;95:28-32. doi: 10.1016/j.ejrad.2017.07.013. Epub 2017 Jul 20.

PMID:
28987681
17.

Glymphatic MRI in idiopathic normal pressure hydrocephalus.

Ringstad G, Vatnehol SAS, Eide PK.

Brain. 2017 Oct 1;140(10):2691-2705. doi: 10.1093/brain/awx191.

18.

Anatomical features of the cervical spinal canal in Chiari I deformity with presyrinx: A case-control study.

Gadde JA, Shah V, Liebo GB, Ringstad GA, Pomeraniec IJ, Bakke SJ, Fric R, Ksendzovsky A, Jane JA Jr, Schwartz ES, Haughton V.

Neuroradiol J. 2017 Oct;30(5):405-409. doi: 10.1177/1971400917718842. Epub 2017 Jul 10.

19.

Early postoperative growth in non-functioning pituitary adenomas; A tool to tailor safe follow-up.

Øystese KA, Zucknick M, Casar-Borota O, Ringstad G, Bollerslev J.

Endocrine. 2017 Jul;57(1):35-45. doi: 10.1007/s12020-017-1314-5. Epub 2017 May 17.

PMID:
28516382
20.

[Idiopathic intracranial hypertension as a cause of headache].

Farmen AH, Ringstad G, Kerty E.

Tidsskr Nor Laegeforen. 2016 Dec 6;136(22):1895-1898. eCollection 2016 Dec. Review. Norwegian.

21.

Results of surgery in symptomatic non-hydrocephalic pineal cysts: role of magnetic resonance imaging biomarkers indicative of central venous hypertension.

Eide PK, Ringstad G.

Acta Neurochir (Wien). 2017 Feb;159(2):349-361. doi: 10.1007/s00701-016-3029-4. Epub 2016 Nov 23.

PMID:
27878615
22.

Direct numerical simulation of transitional hydrodynamics of the cerebrospinal fluid in Chiari I malformation: The role of cranio-vertebral junction.

Jain K, Ringstad G, Eide PK, Mardal KA.

Int J Numer Method Biomed Eng. 2017 Sep;33(9). doi: 10.1002/cnm.2853. Epub 2017 Jan 13.

PMID:
27863152
24.

Computational Investigation of Cerebrospinal Fluid Dynamics in the Posterior Cranial Fossa and Cervical Subarachnoid Space in Patients with Chiari I Malformation.

Støverud KH, Langtangen HP, Ringstad GA, Eide PK, Mardal KA.

PLoS One. 2016 Oct 11;11(10):e0162938. doi: 10.1371/journal.pone.0162938. eCollection 2016.

25.

Increased pulsatile intracranial pressure in patients with symptomatic pineal cysts and magnetic resonance imaging biomarkers indicative of central venous hypertension.

Eide PK, Ringstad G.

J Neurol Sci. 2016 Aug 15;367:247-55. doi: 10.1016/j.jns.2016.06.028. Epub 2016 Jun 11.

PMID:
27423599
26.

Magnetic resonance imaging biomarkers indicate a central venous hypertension syndrome in patients with symptomatic pineal cysts.

Eide PK, Pripp AH, Ringstad GA.

J Neurol Sci. 2016 Apr 15;363:207-16. doi: 10.1016/j.jns.2016.02.038. Epub 2016 Feb 17.

PMID:
27000252
27.

Phase-contrast magnetic resonance imaging reveals net retrograde aqueductal flow in idiopathic normal pressure hydrocephalus.

Ringstad G, Emblem KE, Eide PK.

J Neurosurg. 2016 Jun;124(6):1850-7. doi: 10.3171/2015.6.JNS15496. Epub 2015 Dec 4.

PMID:
26636385
28.

MRI with intrathecal MRI gadolinium contrast medium administration: a possible method to assess glymphatic function in human brain.

Eide PK, Ringstad G.

Acta Radiol Open. 2015 Nov 17;4(11):2058460115609635. doi: 10.1177/2058460115609635. eCollection 2015 Nov.

29.

MRI T2 characteristics in somatotroph adenomas following somatostatin analog treatment in acromegaly.

Heck A, Emblem KE, Casar-Borota O, Ringstad G, Bollerslev J.

Endocrine. 2016 Jul;53(1):327-30. doi: 10.1007/s12020-015-0816-2. Epub 2015 Nov 28. No abstract available.

PMID:
26615593
30.

Radiological imaging in acute ischaemic stroke.

Kurz KD, Ringstad G, Odland A, Advani R, Farbu E, Kurz MW.

Eur J Neurol. 2016 Jan;23 Suppl 1:8-17. doi: 10.1111/ene.12849. Review.

PMID:
26563093
31.

Quantitative analyses of T2-weighted MRI as a potential marker for response to somatostatin analogs in newly diagnosed acromegaly.

Heck A, Emblem KE, Casar-Borota O, Bollerslev J, Ringstad G.

Endocrine. 2016 May;52(2):333-43. doi: 10.1007/s12020-015-0766-8. Epub 2015 Oct 16.

PMID:
26475495
32.

Reply: To PMID 25977480.

Ringstad G, Emblem KE, Geier O, Alperin N, Eide PK.

AJNR Am J Neuroradiol. 2015 Sep;36(9):1633-4. doi: 10.3174/ajnr.A4488. Epub 2015 Aug 6. No abstract available.

PMID:
26251437
Free Article
33.

Aqueductal Stroke Volume: Comparisons with Intracranial Pressure Scores in Idiopathic Normal Pressure Hydrocephalus.

Ringstad G, Emblem KE, Geier O, Alperin N, Eide PK.

AJNR Am J Neuroradiol. 2015 Sep;36(9):1623-30. doi: 10.3174/ajnr.A4340. Epub 2015 May 14.

34.

Usefulness of the endoscope in microvascular decompression for trigeminal neuralgia and MRI-based prediction of the need for endoscopy.

Sandell T, Ringstad GA, Eide PK.

Acta Neurochir (Wien). 2014 Oct;156(10):1901-9; discussion 1909. doi: 10.1007/s00701-014-2171-0. Epub 2014 Jul 10.

PMID:
25008460
35.

[Woman with recurrent uveitis and neurological symptoms].

Mochol M, Berg K, Midtvedt Ø, Ringstad G, Kerty E.

Tidsskr Nor Laegeforen. 2014 Jul 1;134(12-13):1245-8. doi: 10.4045/tidsskr.13.0433. eCollection 2014 Jul 1. Norwegian. No abstract available.

36.

Severe macrophage activation syndrome and central nervous system involvement in juvenile dermatomyositis.

Lilleby V, Haydon J, Sanner H, Krossness BK, Ringstad G, Flatø B.

Scand J Rheumatol. 2014;43(2):171-3. doi: 10.3109/03009742.2013.863968. No abstract available.

PMID:
24588361
37.

Attenuated RORC expression in the presence of EMT progression in somatotroph adenomas following treatment with somatostatin analogs is associated with poor clinical recovery.

Lekva T, Berg JP, Heck A, Lyngvi Fougner S, Olstad OK, Ringstad G, Bollerslev J, Ueland T.

PLoS One. 2013 Jun 25;8(6):e66927. doi: 10.1371/journal.pone.0066927. Print 2013.

38.

Epithelial splicing regulator protein 1 and alternative splicing in somatotroph adenomas.

Lekva T, Berg JP, Lyle R, Heck A, Ringstad G, Olstad OK, Michelsen AE, Casar-Borota O, Bollerslev J, Ueland T.

Endocrinology. 2013 Sep;154(9):3331-43. doi: 10.1210/en.2013-1051. Epub 2013 Jul 3.

PMID:
23825128
39.

An unusual case of the syndrome of cervical rib with subclavian artery thrombosis and cerebellar and cerebral infarctions.

Jusufovic M, Sandset EC, Popperud TH, Solberg S, Ringstad G, Kerty E.

BMC Neurol. 2012 Jun 28;12:48. doi: 10.1186/1471-2377-12-48.

40.

Intensity of pituitary adenoma on T2-weighted magnetic resonance imaging predicts the response to octreotide treatment in newly diagnosed acromegaly.

Heck A, Ringstad G, Fougner SL, Casar-Borota O, Nome T, Ramm-Pettersen J, Bollerslev J.

Clin Endocrinol (Oxf). 2012 Jul;77(1):72-8. doi: 10.1111/j.1365-2265.2011.04286.x.

PMID:
22066905
41.

[A 55-year old man with recurrent brain infarction].

Pihlstrøm L, Alfstad KÅ, Solyga V, Ringstad GA, Kerty E.

Tidsskr Nor Laegeforen. 2011 Jun 3;131(11):1089-91. doi: 10.4045/tidsskr.10.0162. Norwegian. No abstract available.

42.

Assessment of pituitary adenoma volumetric change using longitudinal MR image registration.

Ringstad GA, Emblem KE, Holland D, Dale AM, Bjornerud A, Hald JK.

Neuroradiology. 2012 May;54(5):435-43. doi: 10.1007/s00234-011-0894-7. Epub 2011 Jun 7.

PMID:
21647587
43.

An autostereoscopic 3D display can improve visualization of 3D models from intracranial MR angiography.

Abildgaard A, Witwit AK, Karlsen JS, Jacobsen EA, Tennøe B, Ringstad G, Due-Tønnessen P.

Int J Comput Assist Radiol Surg. 2010 Sep;5(5):549-54. doi: 10.1007/s11548-010-0509-5. Epub 2010 Jul 21.

PMID:
20652646
44.

Periodic abducens nerve palsy in adults caused by neurovascular compression.

Sandvand KA, Ringstad G, Kerty E.

J Neurol Neurosurg Psychiatry. 2008 Jan;79(1):100-2. Epub 2007 Aug 23.

PMID:
17717022
45.

[CT colonography: a new method for detecting colorectal cancer and polyps].

Ringstad G, Holmquist H, Brabrand K, Aaløkken TM, Hauge T.

Tidsskr Nor Laegeforen. 2006 May 25;126(11):1470-3. Review. Norwegian.

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