Publications 2024

Abusdal M, Normann KR, Nyman TA, Øystese KAB, Sundaram AYM, Dahlberg D, Lekva T, Bollerslev J, Berg JP, Olarescu NC (2024)
PCSK1N as a tumor size marker and an ER stress response protein in corticotroph pituitary adenomas
J Clin Endocrinol Metab (in press)
DOI 10.1210/clinem/dgae643, PubMed 39288010

Atai S, Knudtzon Andersen M, Wiedmann M, Dahlberg D, Øystese KAB, Bollerslev J, Ringstad G, Heck A (2024)
Unravelling pituitary tumours in medically treated patients with acromegaly: the impact of systematic MRI reassessment
Acta Radiol, 65 (7), 753-758
DOI 10.1177/02841851241246107, PubMed 38659302

Øystese KA, Olarescu NC, Lindskog C, Xheka F, Berg-Johnsen J, Petter Berg J, Bollerslev J, Casar-Borota O (2024)
Stem cell-associated transcription factors in non-functioning pituitary neuroendocrine tumours
Free Neuropathol, 5
DOI 10.17879/freeneuropathology-2024-5396, PubMed 38845811

Publications 2023

Kolnes AJ, Øystese KAB, Sjöstedt E, Olarescu NC, Heck A, Pahnke J, Dahlberg D, Berg-Johnsen J, Ringstad G, Casar-Borota O, Bollerslev J, Jørgensen AP (2023)
TGFBR3L is associated with gonadotropin production in non-functioning gonadotroph pituitary neuroendocrine tumours
Pituitary, 26 (2), 227-236
DOI 10.1007/s11102-023-01310-x, PubMed 36952069

Publications 2022

Seljelid B, Varsi C, Solberg Nes L, Øystese KA, Børøsund E (2022)
Feasibility of a Digital Patient-Provider Communication Intervention to Support Shared Decision-Making in Chronic Health Care, InvolveMe: Pilot Study
JMIR Form Res, 6 (4), e34738
DOI 10.2196/34738, PubMed 35389356

Øystese KAB, Casar-Borota O, Berg-Johnsen J, Berg JP, Bollerslev J (2022)
Distribution of E- and N-cadherin in subgroups of non-functioning pituitary neuroendocrine tumours
Endocrine, 77 (1), 151-159
DOI 10.1007/s12020-022-03051-6, PubMed 35674926

Publications 2021

Seljelid B, Varsi C, Solberg Nes L, Øystese KA, Børøsund E (2021)
A Digital Patient-Provider Communication Intervention (InvolveMe): Qualitative Study on the Implementation Preparation Based on Identified Facilitators and Barriers
J Med Internet Res, 23 (4), e22399
DOI 10.2196/22399, PubMed 33830063

Voll M, Øystese KA, Høiskar E, Johansen O, Nyvold C, Norheim I, von Lueder TG, Andersen GØ (2021)
Case report: a patient with thyroid storm, refractory cardiogenic shock, and cardiac arrest treated with Lugol's iodine solution and veno-arterial extra corporal membrane oxygenation support
Eur Heart J Case Rep, 5 (2), ytab017
DOI 10.1093/ehjcr/ytab017, PubMed 33569532

Publications 2020

Eieland AK, Normann KR, Sundaram AYM, Nyman TA, Øystese KAB, Lekva T, Berg JP, Bollerslev J, Olarescu NC (2020)
Distinct Pattern of Endoplasmic Reticulum Protein Processing and Extracellular Matrix Proteins in Functioning and Silent Corticotroph Pituitary Adenomas
Cancers (Basel), 12 (10)
DOI 10.3390/cancers12102980, PubMed 33066652

Kolnes AJ, Øystese KA, Dahlberg D, Berg-Johnsen J, Niehusmann P, Pahnke J, Bollerslev J, Jørgensen AP (2020)
Cut-off values for sufficient cortisol response to low dose Short Synacthen Test after surgery for non-functioning pituitary adenoma
Acta Neurochir (Wien), 162 (4), 845-852
DOI 10.1007/s00701-019-04068-z, PubMed 31907611

Kolnes AJ, Øystese KAB, Olarescu NC, Ringstad G, Berg-Johnsen J, Casar-Borota O, Bollerslev J, Jørgensen AP (2020)
FSH Levels Are Related to E-cadherin Expression and Subcellular Location in Nonfunctioning Pituitary Tumors
J Clin Endocrinol Metab, 105 (8), 2587-94
DOI 10.1210/clinem/dgaa281, PubMed 32421791

Sjöstedt E, Kolnes AJ, Olarescu NC, Mitsios N, Hikmet F, Sivertsson Å, Lindskog C, Øystese KAB, Jørgensen AP, Bollerslev J, Casar-Borota O (2020)
TGFBR3L-An Uncharacterised Pituitary Specific Membrane Protein Detected in the Gonadotroph Cells in Non-Neoplastic and Tumour Tissue
Cancers (Basel), 13 (1)
DOI 10.3390/cancers13010114, PubMed 33396509

Publications 2019

Godang K, Lekva T, Normann KR, Olarescu NC, Øystese KAB, Kolnes A, Ueland T, Bollerslev J, Heck A (2019)
Hip Structure Analyses in Acromegaly: Decrease of Cortical Bone Thickness After Treatment: A Longitudinal Cohort Study
JBMR Plus, 3 (12), e10240
DOI 10.1002/jbm4.10240, PubMed 31844828

Publications 2018

Øystese KAB, Berg JP, Normann KR, Zucknick M, Casar-Borota O, Bollerslev J (2018)
The role of E and N-cadherin in the postoperative course of gonadotroph pituitary tumours
Endocrine, 62 (2), 351-360
DOI 10.1007/s12020-018-1679-0, PubMed 30051197

Øystese KAB, Hisanawi S, Zucknick M, Bollerslev J, Ringstad G (2018)
Are volume measurements of non-functioning pituitary adenomas reliable?
Endocrine, 63 (1), 171-176
DOI 10.1007/s12020-018-1752-8, PubMed 30259294

Publications 2017

Falch CM, Sundaram AYM, Øystese KA, Normann KR, Lekva T, Silamikelis I, Eieland AK, Andersen M, Bollerslev J, Olarescu NC (2017)
Gene expression profiling of fast- and slow-growing non-functioning gonadotroph pituitary adenomas
Eur J Endocrinol, 178 (3), 295-307
DOI 10.1530/EJE-17-0702, PubMed 29259037

Øystese KA, Casar-Borota O, Normann KR, Zucknick M, Berg JP, Bollerslev J (2017)
Estrogen Receptor α, a Sex-Dependent Predictor of Aggressiveness in Nonfunctioning Pituitary Adenomas: SSTR and Sex Hormone Receptor Distribution in NFPA
J Clin Endocrinol Metab, 102 (9), 3581-3590
DOI 10.1210/jc.2017-00792, PubMed 28911153

Øystese KA, Zucknick M, Casar-Borota O, Ringstad G, Bollerslev J (2017)
Early postoperative growth in non-functioning pituitary adenomas; A tool to tailor safe follow-up
Endocrine, 57 (1), 35-45
DOI 10.1007/s12020-017-1314-5, PubMed 28516382

Publications 2016

Casar-Borota O, Øystese KA, Sundström M, Melchior L, Popovic V (2016)
A high-throughput analysis of the IDH1(R132H) protein expression in pituitary adenomas
Pituitary, 19 (4), 407-14
DOI 10.1007/s11102-016-0720-7, PubMed 27097804

Normann KR, Øystese KAB, Berg JP, Lekva T, Berg-Johnsen J, Bollerslev J, Olarescu NC (2016)
Selection and validation of reliable reference genes for RT-qPCR analysis in a large cohort of pituitary adenomas
Mol Cell Endocrinol, 437, 183-189
DOI 10.1016/j.mce.2016.08.030, PubMed 27561203

Øystese KA, Evang JA, Bollerslev J (2016)
Non-functioning pituitary adenomas: growth and aggressiveness
Endocrine, 53 (1), 28-34
DOI 10.1007/s12020-016-0940-7, PubMed 27066792

Publications 2011

Meland E, Grønhaug S, Oystese K, Mildestvedt T (2011)
Examining the Matthew effect on the motivation and ability to stay at work after heart disease
Scand J Public Health, 39 (5), 517-24
DOI 10.1177/1403494811399650, PubMed 21343313