Jon Berg-Johnsen

Adjunct Professor - Department of Neurosurgery
Image of Jon Berg-Johnsen
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Phone +47 23074844
Mobile phone +47 97075758


  • Kolnes, Anders Jensen; Øystese, Kristin Astrid; Dahlberg, Daniel; Berg-Johnsen, Jon; Niehusmann, Pitt; Pahnke, Jens; Bollerslev, Jens & Jørgensen, Anders Palmstrøm (2020). Cut-off values for sufficient cortisol response to low dose Short Synacthen Test after surgery for non-functioning pituitary adenoma. Acta Neurochirurgica.  ISSN 0001-6268.  162(4), s 845- 852 . doi: 10.1007/s00701-019-04068-z Full text in Research Archive.
  • Kolnes, Anders Jensen; Øystese, Kristin Astrid; Olarescu, Nicoleta Cristina; Ringstad, Geir Andre; Berg-Johnsen, Jon; Casar-Borota, Olivera; Bollerslev, Jens & Jørgensen, Anders Palmstrøm (2020). FSH Levels Are Related to E-cadherin Expression and Subcellular Location in Nonfunctioning Pituitary Tumors. Journal of Clinical Endocrinology and Metabolism.  ISSN 0021-972X.  105(8), s 1- 8 . doi: 10.1210/clinem/dgaa281 Full text in Research Archive.
  • Berg-Johnsen, Jon & Høgestøl, Einar August (2018). Supplementary motor area syndrome after surgery for parasagittal meningiomas. Acta Neurochirurgica.  ISSN 0001-6268.  160(3), s 583- 587 . doi: 10.1007/s00701-018-3474-3
  • Ramm-Pettersen, Jon-Terje; Fric, Radek & Berg-Johnsen, Jon (2017). Long-term follow-up after endoscopic trans-sphenoidal surgery or initial observation in clivus chordomas. Acta Neurochirurgica.  ISSN 0001-6268.  159(10), s 1849- 1855 . doi: 10.1007/s00701-017-3236-7
  • Sundseth, Jarle Østberg; Sundseth, Antje; Jacobsen, Eva Astrid; Pripp, Are Hugo; Sorteberg, Wilhelm; Altmann, Marianne; Lindegaard, Karl-Fredrik; Berg-Johnsen, Jon & Thommessen, Bente (2017). Predictors of early in-hospital Death after decompressive craniectomy in swollen middle cerebral artery infarction. Acta Neurochirurgica.  ISSN 0001-6268.  159(2), s 301- 306 . doi: 10.1007/s00701-016-3049-0
  • Høgestøl, Einar August & Berg-Johnsen, Jon (2016). Regression of Intracranial Meningioma during Treatment with α1-Adrenoceptor Blocker. Journal of Neurological Surgery Reports.  ISSN 2193-6358.  77(1), s e62- e65 . doi: 10.1055/s-0035-1571204
  • Normann, Kjersti Ringvoll; Øystese, Kristin Astrid Berland; Berg, Jens Petter; Lekva, Tove; Berg-Johnsen, Jon; Bollerslev, Jens & Olarescu, Nicoleta Cristina (2016). Selection and validation of reliable reference genes for RT-qPCR analysis in a large cohort of pituitary adenomas. Molecular and Cellular Endocrinology.  ISSN 0303-7207.  437, s 183- 189 . doi: 10.1016/j.mce.2016.08.030
  • Ramm-Pettersen, Jon-Terje; Halvorsen, Helene; Evang, Johan Arild; RØNNING, PÅL ANDRE; Hol, Per Kristian; Bollerslev, Jens; Berg-Johnsen, Jon & Helseth, Eirik (2015). Low immediate postoperative serum-cortisol nadir predicts the short-term, but not long-term, remission after pituitary surgery for Cushing's disease. BMC Endocrine Disorders.  ISSN 1472-6823.  15:62 . doi: 10.1186/s12902-015-0055-9 Show summary
  • Sundseth, Jarle; Sundseth, Antje; Thommessen, Bente; Johnsen, Lars Gunnar; Altmann, Marianne; Sorteberg, Wilhelm; Lindegaard, Karl-Fredrik & Berg-Johnsen, Jon (2015). Long-term outcome and quality of life after craniectomy in speech-dominant swollen middle cerebral artery infarction. Neurocritical Care.  ISSN 1541-6933.  22(1), s 6- 14 . doi: 10.1007/s12028-014-0056-y
  • Berg-Johnsen, Jon; Helseth, Eirik & Langmoen, Iver Arne (2014). Cerebral revascularization for skull base tumors. World Neurosurgery.  ISSN 1878-8750.  82(5), s 575- 576 . doi: 10.1016/j.wneu.2013.03.052
  • Berg-Johnsen, Jon; Ilstad, Eivind; Kolstad, Frode; Züchner, Mark & Sundseth, Jarle (2014). Idiopathic ventral spinal cord herniation - an increasingly recognized cause of thoracic myelopathy. Journal of central nervous system disease.  ISSN 1179-5735.  6, s 85- 91 . doi: 10.4137/JCNSD.S16180 Full text in Research Archive.
  • Halvorsen, Helene; Ramm-Pettersen, Jon-Terje; Josefsen, Roger; RØNNING, PÅL ANDRE; Reinlie, Sissel; Meling, Torstein; Berg-Johnsen, Jon; Bollerslev, Jens & Helseth, Eirik (2014). Surgical complications after transsphenoidal microscopic and endoscopic surgery for pituitary adenoma: A consecutive series of 506 procedures. Acta Neurochirurgica.  ISSN 0001-6268.  156(3), s 441- 449 . doi: 10.1007/s00701-013-1959-7
  • Sundseth, Jarle; Sundseth, Antje; Berg-Johnsen, Jon; Sorteberg, Wilhelm & Lindegaard, Karl-Fredrik (2014). Cranioplasty with autologous cryopreserved bone after decompressive craniectomy. Complications and risk factors for developing surgical site infection. Acta Neurochirurgica.  ISSN 0001-6268.  156(4), s 805- 811 . doi: 10.1007/s00701-013-1992-6
  • Sundseth, Jarle & Berg-Johnsen, Jon (2013). Prefabricated patient-matched cranial implants for reconstruction of large skull defects. Journal of central nervous system disease.  ISSN 1179-5735.  5, s 19- 24 . doi: 10.4137/jcnsd.s11106
  • Sundseth, Jarle; Berg-Johnsen, Jon; Skaar-Holme, Sigrun; Zuchner, Mark & Kolstad, Frode (2013). Atlantoaksial rotasjonsfiksasjon - en årsak til torticollis. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  133(5), s 519- 523 . doi: 10.4045/tidsskr.11.1540
  • Ramm-Pettersen, Jon-Terje; Berg-Johnsen, Jon; Hol, Per Kristian; Roy, Sumit K; Bollerslev, Jens; Schreiner, Thomas & Helseth, Eirik (2011). Intra-operative MRI facilitates tumour resection during trans-sphenoidal surgery for pituitary adenomas. Acta Neurochirurgica.  ISSN 0001-6268.  153(7), s 1367- 1373 . doi: 10.1007/s00701-011-1004-7
  • Bains, Ravi; Moe, Morten Carsten; Vinje, Morten Larsen & Berg-Johnsen, Jon (2009). Isoflurane-induced depolarization of neural mitochondria increases with age. Acta Anaesthesiologica Scandinavica.  ISSN 0001-5172.  53(1), s 85- 92 . doi: 10.1111/j.1399-6576.2008.01823.x
  • Bains, Ravi; Moe, Morten Carsten; Vinje, Morten Larsen & Berg-Johnsen, Jon (2009). Sevoflurane and propofol depolarize mitochondria in rat and human cerebrocortical synaptosomes by different mechanisms. Acta Anaesthesiologica Scandinavica.  ISSN 0001-5172.  53(10), s 1354- 1360 . doi: 10.1111/j.1399-6576.2009.02047.x
  • Varghese, Mercy; Ølstørn, Håvard; Berg-Johnsen, Jon; Moe, Morten Carsten; Murrell, Wayne & Langmoen, Iver Arne (2009). Isolation of Human Multipotent Neural Progenitors from Adult Filum Terminale. Stem Cells and Development.  ISSN 1547-3287.  18(4), s 603- 613 . doi: 10.1089/scd.2008.0144
  • Larsen, Geir Arne; Skjellegrind, Håvard Kjesbu; Vinje, Morten Larsen & Berg-Johnsen, Jon (2008). Mitochondria are More Resistant to Hypoxic Depolarization in the Newborn than in the Adult Brain. Neurochemical Research.  ISSN 0364-3190. . doi: 10.1007/s11064-008-9664-2 Show summary
  • Varghese, Mercy; Ølstørn, Håvard; Sandberg, Cecilie; Vik-Mo, Einar O.; Noordhuis, Paul; Nistér, Monica; Berg-Johnsen, Jon; Moe, Morten Carsten & Langmoen, Iver Arne (2008). A COMPARISON BETWEEN STEM CELLS FROM THE ADULT HUMAN BRAIN AND FROM BRAIN TUMORS. Neurosurgery.  ISSN 0148-396X.  63(6), s 1022- 1033 . doi: 10.1227/01.NEU.0000335792.85142.B0
  • Larsen, Geir Arne; Skjellegrind, Håvard; Berg-Johnsen, Jon; Moe, Morten Carstens & Vinje, Morten (2006). Depolarization of mitochondria in isolated CA1 neurons during hypoxia, glucose deprivation and glutamate excitotoxicity. Brain Research.  ISSN 0006-8993.  1077, s 153- 160
  • Westerlund, U; Svensson, M; Moe, Morten Carsten; Varghese, Mercy; Gustavsson, B.; Wallstedt, Lars; Berg-Johnsen, Jon & Langmoen, Iver Arne (2005). Endoscopically harvested stem cells: a putative method in future autotransplantation. Neurosurgery.  ISSN 0148-396X.  57(4), s 779- 784
  • Moe, Morten Carstens; Varghese, Mercy; Danilov, AI; Westerlund, U; Ramm-Pettersen, J.; Brundin, L; Svensson, M; Berg-Johnsen, Jon & Langmoen, Iver Arne (2005). Multipotent progenitor cells from the adult human brain: neurophysiological differentiation to mature neurons. Brain.  ISSN 0006-8950.  128

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  • Berg-Johnsen, Jon (2012). Introduksjon til nevrokirurgi. Legeforlaget AS.  ISBN 978-82-92934-08-1.  215 s.

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  • Berg-Johnsen, Jon (2014). En uvanlig årsak til svelgvansker. Tidsskrift for Den norske legeforening.  ISSN 0029-2001.  22, s 2166
  • Ramm-Pettersen, Jon-Terje; Halvorsen, Helene; Josefsen, Roger; RØNNING, PÅL ANDRE; Reinlie, Sissel; Meling, Torstein Ragnar; Berg-Johnsen, Jon; Bollerslev, Jens & Helseth, Eirik (2014). Endoscopic or microscopic transsphenoidal surgery?.
  • Langmoen, Iver Arne & Berg-Johnsen, Jon (2012). The Brain-Computer Interface. World Neurosurgery.  ISSN 1878-8750.  78(6), s 573- 575 . doi: 10.1016/j.wneu.2011.10.021
  • Skjellegrind, Håvard Kjesbu; Larsen, Geir Arne; Vinje, Morten & Berg-Johnsen, Jon (2006). Mitochondrial tolerance to hypoxia in neonatal and adult isolated neurons.
  • Skjellegrind, Håvard Kjesbu; Larsen, Geir Arne; Vinje, Morten & Berg-Johnsen, Jon (2005). Mitochondrial survival during hypoxia-reoxygenation is developmentally regulated.

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Published Apr. 13, 2011 2:54 PM - Last modified May 27, 2011 4:05 PM