Publications by John K. Hald
66 publications found
Original articles
Risk of early failure of VP shunts implanted for hydrocephalus after craniotomies for brain tumors in adults
Neurosurg Rev, 45 (1), 479-490
DOI 10.1007/s10143-021-01549-7, PubMed 33905002
The Impact of MRI Features and Observer Confidence on the Treatment Decision-Making for Patients with Untreated Glioma
Sci Rep, 9 (1), 19898
DOI 10.1038/s41598-019-56333-x, PubMed 31882644
Dynamic susceptibility contrast and diffusion MR imaging identify oligodendroglioma as defined by the 2016 WHO classification for brain tumors: histogram analysis approach
Neuroradiology, 61 (5), 545-555
DOI 10.1007/s00234-019-02173-5, PubMed 30712139
The effect of tumor removal via craniotomies on preoperative hydrocephalus in adult patients with intracranial tumors
Neurosurg Rev, 43 (1), 141-151
DOI 10.1007/s10143-018-1021-6, PubMed 30120611
Survival Associations Using Perfusion and Diffusion Magnetic Resonance Imaging in Patients With Histologic and Genetic Defined Diffuse Glioma World Health Organization Grades II and III
J Comput Assist Tomogr, 42 (5), 807-815
DOI 10.1097/RCT.0000000000000742, PubMed 29901512
Risk factors for new-onset shunt-dependency after craniotomies for intracranial tumors in adult patients
Neurosurg Rev, 41 (2), 465-472
DOI 10.1007/s10143-017-0869-1, PubMed 28670657
Imaging spectrum of central nervous system complications of hematopoietic stem cell and solid organ transplantation
Neuroradiology, 59 (2), 105-126
DOI 10.1007/s00234-017-1804-4, PubMed 28255902
Benign Sphenoid Wing Meningioma Presenting with an Acute Intracerebral Hemorrhage - A Case Report
J Cent Nerv Syst Dis, 8, 1-4
DOI 10.4137/JCNSD.S33653, PubMed 27127413
Prognostic factors in patients with symptomatic spinal metastases and normal neurological function
Clin Oncol (R Coll Radiol), 27 (4), 213-21
DOI 10.1016/j.clon.2015.01.002, PubMed 25624156
A generic support vector machine model for preoperative glioma survival associations
Radiology, 275 (1), 228-34
DOI 10.1148/radiol.14140770, PubMed 25486589
Radiotherapy for spinal metastases from breast cancer with emphasis on local disease control and pain response using repeated MRI
J Bone Oncol, 3 (1), 5-9
DOI 10.1016/j.jbo.2014.02.003, PubMed 26909292
Machine learning in preoperative glioma MRI: survival associations by perfusion-based support vector machine outperforms traditional MRI
J Magn Reson Imaging, 40 (1), 47-54
DOI 10.1002/jmri.24390, PubMed 24753371
Limited utility of current MRI criteria for distinguishing multiple sclerosis from common mimickers: primary and secondary CNS vasculitis, lupus and Sjogren's syndrome
Mult Scler, 20 (1), 57-63
DOI 10.1177/1352458513491329, PubMed 23736535
MRI and neurological findings in patients with spinal metastases
Acta Radiol, 53 (10), 1164-72
DOI 10.1258/ar.2012.120442, PubMed 23047848
The pulmonary artery in patients with Marfan syndrome: a cross-sectional study
Genet Med, 14 (11), 922-7
DOI 10.1038/gim.2012.82, PubMed 22791209
Multiparametric analysis of magnetic resonance images for glioma grading and patient survival time prediction
Acta Radiol, 52 (9), 1052-60
DOI 10.1258/ar.2011.100510, PubMed 21969702
Assessment of pituitary adenoma volumetric change using longitudinal MR image registration
Neuroradiology, 54 (5), 435-43
DOI 10.1007/s00234-011-0894-7, PubMed 21647587
The expression of E-cadherin in somatotroph pituitary adenomas is related to tumor size, invasiveness, and somatostatin analog response
J Clin Endocrinol Metab, 95 (5), 2334-42
DOI 10.1210/jc.2009-2197, PubMed 20335450
Low frequency of VHL germline mutations in Norwegian patients presenting with isolated central nervous system hemangioblastomas--a population-based study
Acta Neurol Scand, 122 (2), 124-31
DOI 10.1111/j.1600-0404.2009.01274.x, PubMed 19814753
Automatic glioma characterization from dynamic susceptibility contrast imaging: brain tumor segmentation using knowledge-based fuzzy clustering
J Magn Reson Imaging, 30 (1), 1-10
DOI 10.1002/jmri.21815, PubMed 19557840
Dural ectasia in Marfan syndrome: a case control study
AJNR Am J Neuroradiol, 30 (8), 1534-40
DOI 10.3174/ajnr.A1620, PubMed 19461064
Automatic vessel removal in gliomas from dynamic susceptibility contrast imaging
Magn Reson Med, 61 (5), 1210-7
DOI 10.1002/mrm.21944, PubMed 19253390
Spindle cell oncocytoma of the adenohypophysis: report of a case with marked cellular atypia and recurrence despite adjuvant treatment
Clin Neuropathol, 28 (2), 91-5
DOI 10.5414/npp28091, PubMed 19353839
A piglet model for detection of hypoxic-ischemic brain injury with magnetic resonance imaging
Acta Radiol, 49 (9), 1049-57
DOI 10.1080/02841850802334224, PubMed 18720081
Predictive modeling in glioma grading from MR perfusion images using support vector machines
Magn Reson Med, 60 (4), 945-52
DOI 10.1002/mrm.21736, PubMed 18816815
Histogram analysis of MR imaging-derived cerebral blood volume maps: combined glioma grading and identification of low-grade oligodendroglial subtypes
AJNR Am J Neuroradiol, 29 (9), 1664-70
DOI 10.3174/ajnr.A1182, PubMed 18583405
Glioma grading by using histogram analysis of blood volume heterogeneity from MR-derived cerebral blood volume maps
Radiology, 247 (3), 808-17
DOI 10.1148/radiol.2473070571, PubMed 18487536
Preoperative octreotide treatment in newly diagnosed acromegalic patients with macroadenomas increases cure short-term postoperative rates: a prospective, randomized trial
J Clin Endocrinol Metab, 93 (8), 2984-90
DOI 10.1210/jc.2008-0315, PubMed 18492760
Low levels of raf kinase inhibitory protein in growth hormone-secreting pituitary adenomas correlate with poor response to octreotide treatment
J Clin Endocrinol Metab, 93 (4), 1211-6
DOI 10.1210/jc.2007-2272, PubMed 18230656
The clinical response to somatostatin analogues in acromegaly correlates to the somatostatin receptor subtype 2a protein expression of the adenoma
Clin Endocrinol (Oxf), 68 (3), 458-65
DOI 10.1111/j.1365-2265.2007.03065.x, PubMed 17941904
An injection from the past: fluoroscopic evidence of remote injections of radiopaque substances
Reg Anesth Pain Med, 31 (1), 82-5
DOI 10.1016/j.rapm.2005.07.193, PubMed 16418030
The vertebral body fracture in osteoporosis: restoration of height using percutaneous vertebroplasty
AJNR Am J Neuroradiol, 26 (3), 489-92
PubMed 15760853
Cerebral microbleeds: prevalence and associations with cardiovascular risk factors in the Framingham Study
Stroke, 35 (8), 1831-5
DOI 10.1161/01.STR.0000131809.35202.1b, PubMed 15155954
Delayed diffusion-weighted MR abnormality in a patient with an extensive acute cerebral hypoxic injury
Acta Radiol, 44 (3), 343-6
DOI 10.1080/j.1600-0455.2003.00050.x, PubMed 12752010
Isolated sulfite oxidase deficiency: MR imaging features
AJNR Am J Neuroradiol, 23 (3), 484-5
PubMed 11901024
CTA in patients with acute subarachnoid haemorrhage. A comparative study with selective, digital angiography and blinded, independent review
Acta Radiol, 42 (1), 43-9
DOI 10.1080/028418501127346224, PubMed 11167331
Improving postoperative MR imaging of pituitary macroadenomas: comparison of full and reduced dose of gadopentetate dimeglumine
Eur Radiol, 10 (7), 1068-72
DOI 10.1007/s003300000455, PubMed 11003399
Craniopharyngioma: radiologic and histologic findings and recurrence
AJNR Am J Neuroradiol, 17 (8), 1427-39
PubMed 8883637
Pre- and postoperative MR imaging of craniopharyngiomas
Acta Radiol, 37 (5), 806-12
DOI 10.1177/02841851960373P275, PubMed 8915298
Craniopharyngioma identification by CT and MR imaging at 1.5 T
Acta Radiol, 36 (2), 142-7
PubMed 7710792
Craniopharyngiomas--the utility of contrast medium enhancement for MR imaging at 1.5 T
Acta Radiol, 35 (6), 520-5
PubMed 7946671
MR imaging of pituitary region lesions with gadodiamide injection
Acta Radiol, 35 (1), 65-9
PubMed 8305277
Multiple spinal arteriovenous fistulas in Klippel-Trenaunay-Weber syndrome treated with platinum fibre coils
Neuroradiology, 35 (2), 163-5
DOI 10.1007/BF00593978, PubMed 8381922
Comparison of 12-bit and 8-bit gray scale resolution in MR imaging of the CNS. An ROC analysis
Acta Radiol, 33 (6), 505-11
PubMed 1449870
MR imaging of pituitary macroadenomas before and after transsphenoidal surgery
Acta Radiol, 33 (5), 396-9
PubMed 1389642
[Glutaric aciduria type I]
Tidsskr Nor Laegeforen, 112 (8), 1020-2
PubMed 1553724
Carotid-cavernous fistula treated with detachable balloon during bilateral transcranial Doppler monitoring of middle cerebral arteries. A case report
Acta Radiol, 33 (2), 145-8
PubMed 1562408
Evaluation of renal function with delayed CT after injection of nonionic monomeric and dimeric contrast media in healthy volunteers
Radiology, 182 (2), 419-24
DOI 10.1148/radiology.182.2.1732960, PubMed 1732960
Embolization of intracranial arteriovenous malformations and fistulas with polyvinyl alcohol particles and platinum fibre coils
Neuroradiology, 34 (4), 348-51
DOI 10.1007/BF00588202, PubMed 1528453
Coronal MR imaging of the normal 3rd, 4th, and 5th lumbar and 1st sacral nerve roots
Acta Radiol, 32 (3), 210-3
PubMed 2064865
Bilateral arachnoid cysts of the temporal fossa in four children with glutaric aciduria type I
AJNR Am J Neuroradiol, 12 (3), 407-9
PubMed 2058483
[Magnetic tomography and backache]
Tidsskr Nor Laegeforen, 110 (11), 1359-60
PubMed 2140209
Magnetic resonance imaging of an epidural spinal arachnoid cyst
Acta Radiol, 30 (5), 491-3
PubMed 2611055
Aneurysms of the vein of Galen: embryonic considerations and anatomical features relating to the pathogenesis of the malformation
Neuroradiology, 31 (2), 109-28
DOI 10.1007/BF00698838, PubMed 2664553
MRI in cervical disk herniation
Neuroradiology, 31 (5), 382-5
DOI 10.1007/BF00343860, PubMed 2594180
Experimental and human brain neoplasms: detection with in vivo sodium MR imaging
Radiology, 163 (1), 245-9
DOI 10.1148/radiology.163.1.3029803, PubMed 3029803
Clinical and experimental vasogenic edema: in vivo sodium MR imaging. Work in progress
Radiology, 160 (3), 821-5
DOI 10.1148/radiology.160.3.3090615, PubMed 3090615
[Percutaneous lung biopsy with a Tru-cut needle]
Tidsskr Nor Laegeforen, 104 (24), 1634-6
PubMed 6474439
Adverse reactions to intravenous cholangiography with Biligram
Eur J Radiol, 4 (3), 196-7
PubMed 6468411
Features resisting primary treatment of congenital club foot
Acta Orthop Scand, 54 (6), 850-7
DOI 10.3109/17453678308992921, PubMed 6670509
[Reactions to radiologic contrast media. Acute reactions induced by radiologic contrast media in urography and cholangiography]
Tidsskr Nor Laegeforen, 102 (12), 677-9
PubMed 7157245
Review articles
[Neurologic magnetic resonance tomography--indications and practical use]
Tidsskr Nor Laegeforen, 120 (11), 1342-6
PubMed 10868099
[Aneurysms of the vein of Galen. Angiographic study and morphogenetic considerations]
Neurochirurgie, 33 (4), 302-14
PubMed 3317094
Other articles
Author Correction: The Impact of MRI Features and Observer Confidence on the Treatment Decision-Making for Patients with Untreated Glioma
Sci Rep, 11 (1), 20287
DOI 10.1038/s41598-021-99776-x, PubMed 34620996
Adverse reactions to contrast media: related to medium or procedure? Observations on a case
Br J Radiol, 61 (724), 337-8
DOI 10.1259/0007-1285-61-724-337, PubMed 3370422
Theses
Pre- and postoperative contrast medium enhanced MR imaging of pituitary macroadenomas and craniopharyngiomas
Department of Radiology, Section of Neuroradiology, National Hospital, Oslo, 1 b. (flere pag.)
BIBSYS 990911896, ISBN 82-7722-101-0