Publications
Academic article
- Rut Anne Thomassen; Janne Anita Kvammen; Beint Sigmund Bentsen et al. (2025). Improving well-being in children with intestinal failure: Impact of Prebiotics on Gastrointestinal Symptoms and Quality of Life, A Randomized Study. (external link)
- Friedemann Georg Erchinger; Erling Tjora; Ingrid Kvåle Nordaas et al. (2022). Pancreatic enzyme treatment in chronic pancreatitis: Quality of management and adherence to guidelines–A cross-sectional observational study. (external link)
- Trond Engjom; Erling Tjora; Friedemann Georg Erchinger et al. (2020). Secretin-stimulated magnetic resonance imaging reveals variable diagnostic accuracy according to etiology in pancreatic disease. (external link)
- Karianne Fjeld; Frank Ulrich Weiss; Denise Lasher et al. (2015). A recombined allele of the lipase gene CEL and its pseudogene CELP confers susceptibility to chronic pancreatitis. (external link)
- Søren Schou Olesen; Jakob Lykke Poulsen; Srdan Novovic et al. (2020). Multiple risk factors for diabetes mellitus in patients with chronic pancreatitis: A multicentre study of 1117 cases. (external link)
- Trond Engjom; Friedemann Georg Erchinger; Birger Norderud Lærum et al. (2015). Ultrasound echo-intensity predicts severe Pancreatic affection in cystic fibrosis patients. (external link)
- Khanh Do-Cong Pham; Sigurd Lauritzen; Erling Tjora et al. (2022). The outcome of primary per oral endoscopic myotomy (POEM) for treatment of achalasia: Norwegian single-center experience with long-term follow-up. (external link)
- Khadija el Jellas; Petra Dušátková; Ingfrid S. Haldorsen et al. (2022). Two New Mutations in the CEL Gene Causing Diabetes and Hereditary Pancreatitis: How to Correctly Identify MODY8 Cases. (external link)
- Adrian Kee Keong Teo; Hwee Hui Lau; Ivan Achel Valdez et al. (2016). Early Developmental Perturbations in a Human Stem Cell Model of MODY5/HNF1B Pancreatic Hypoplasia. (external link)
- Rut Anne Thomassen; Janne Anita Kvammen; Beint Sigmund Bentsen et al. (2025). Effect of prebiotics on gastrointestinal symptoms and quality of life in children with intestinal failure: A pilot study. (external link)
- Wenche Marie Fjeldsbø; Stein Magnus Aukland; Erling Tjora (2014). Medisin i bilder; “Farlig tiltrekning”.. (external link)
- Trond Engjom; Ingrid Kvåle Nordaas; Erling Tjora et al. (2021). Aetiological risk factors are associated with distinct imaging findings in patients with chronic pancreatitis: A study of 959 cases from the Scandinavian Baltic Pancreatic Club (SBPC) imaging database. (external link)
- Gaya Thanabalasingham; Jennifer Huffman; Jayesh J. Kattla et al. (2013). Mutations in HNF1A result in marked alterations of plasma glycan profile. (external link)
- Gaya Thanabalasingham; Nabi Shah; Martine Vaxillaire et al. (2011). A large multi-centre European study validates high-sensitivity C-reactive protein (hsCRP) as a clinical biomarker for the diagnosis of diabetes subtypes. (external link)
- Yngvild Bjørlykke; Heidrun Vethe; Marc Vaudel et al. (2014). Carboxyl-ester lipase maturity-onset diabetes of the young disease protein biomarkers in secretin-stimulated duodenal juice. (external link)
- Friedemann Erchinger; Trond Engjom; Erling Tjora et al. (2013). Quantification of pancreatic function using a clinically feasible short endoscopic secretin test. (external link)
- Friedemann Georg Erchinger; Trond Engjom; Erling Tjora et al. (2017). Analysis of amylase in duodenal juice - Automated kinetic spectrophotometric analysis versus manual colorimetric endpoint assay. (external link)
- Christine Haugen; Vegard Lysne; Ingfrid S. Haldorsen et al. (2022). MRI adipose tissue segmentation and quantification in R (RAdipoSeg). (external link)
- Marko Tijardović; Tamara Štambuk; Agata Juszczak et al. (2022). Fucosylated AGP glycopeptides as biomarkers of HNF1A-Maturity onset diabetes of the young. (external link)
- Ingrid Kvåle Nordaas; Erling Tjora; Georg Gjorgji Dimcevski et al. (2022). Structural imaging findings are related to clinical complications in chronic pancreatitis. (external link)
- Laura Kind; Janne Molnes; Erling Tjora et al. (2024). Molecular mechanism of HNF-1A–mediated HNF4A gene regulation and promoter-driven HNF4A-MODY diabetes. (external link)
- Erling Tjora; Anny Gravdal; Trond Engjom et al. (2021). Protein misfolding in combination with other risk factors in CEL-HYB1-mediated chronic pancreatitis. (external link)
- Christoffer Drabløs Velde; Hallvard Reigstad; Erling Tjora et al. (2023). Medfødt hyperinsulinisme. (external link)
- Bente Berg Johansson; Janniche Torsvik; Lise Bjørkhaug et al. (2011). Diabetes and pancreatic exocrine dysfunction due to mutations in the carboxyl ester lipase gene-maturity onset diabetes of the young (CEL-MODY) A PROTEIN MISFOLDING DISEASE. (external link)
- Trond Engjom; Erling Tjora; Gaute Kjellevold Wathle et al. (2017). Secretin-stimulated ultrasound estimation of pancreatic secretion in cystic fibrosis validated by magnetic resonance imaging. (external link)
- Adnan Madzak; Trond Engjom; Gaute Kjellevold Wathle et al. (2016). Secretin-stimulated MRI assessment of exocrine pancreatic function in patients with cystic fibrosis and healthy controls. (external link)
- Friedemann Georg Erchinger; Trond Engjom; Oddrun Anita Gudbrandsen et al. (2016). Automated spectrophotometric bicarbonate analysis in duodenal juice compared to the back titration method. (external link)
- Man Hung Choi; Erling Tjora; Rakel Brendsdal Forthun et al. (2021). KRAS mutation analysis by droplet digital PCR of duodenal juice from patients with MODY8 and other pancreatic diseases. (external link)
- Tæraneh Jouleh; Spiros Kotopoulis; Georg Dimcevski et al. (2025). Comparison of two- and three-dimensional ultrasound for volume estimation of the meal-stimulated gallbladder. (external link)
- Pernille Svalastoga; Alba Kaci; Janne Molnes et al. (2023). Characterisation of HNF1A variants in paediatric diabetes in Norway using functional and clinical investigations to unmask phenotype and monogenic diabetes. (external link)
- Adrian K.K. Teo; Rebecca Windmueller; Bente Berg Johansson et al. (2013). Derivation of Human Induced Pluripotent Stem Cells from Patients with Maturity Onset Diabetes of the Young. (external link)
- Helge Ræder; Fiona E. McAllister; Erling Tjora et al. (2014). Carboxyl-ester lipase maturity-onset diabetes of the young is associated with development of pancreatic cysts and upregulated MAPK signaling in secretin-stimulated duodenal fluid. (external link)
- Gaute K Wathle; Erling Tjora; Lars Ersland et al. (2014). Assessment of Exocrine Pancreatic Function by Secretin-Stimulated Magnetic Resonance Cholangiopancreaticography and Diffusion-Weighted Imaging in Healthy Controls. (external link)
- Sondre V. Meling; Erling Tjora; Heike Eichele et al. (2023). The Composite Autonomic Symptom Score 31 Questionnaire: A Sensitive Test to Detect Risk for Autonomic Neuropathy. (external link)
- Erling Tjora; Gaute K Wathle; Trond Engjom et al. (2013). Severe pancreatic dysfunction but compensated nutritional status in monogenic pancreatic disease caused by carboxyl-ester lipase mutations. (external link)
- Manuel Carrasco Fernandez; Chencheng Wang; Anne Mette Søviknes et al. (2022). Spatial Environment Affects HNF4A Mutation-Specific Proteome Signatures and Cellular Morphology in hiPSC-Derived β-Like Cells. (external link)
- Friedemann Georg Erchinger; Anne Kristine Nordby Øvre; Marita Malene Aarseth et al. (2018). Fecal fat and energy loss in pancreas exocrine insufficiency: the role of pancreas enzyme replacement therapy. (external link)
- Friedemann Georg Erchinger; Trond Engjom; Palwasha Jurmy et al. (2017). Fecal fat analyses in chronic pancreatitis importance of fat ingestion before stool collection. (external link)
- Nancy S. Elbarbary; Erling Tjora; Janne Molnes et al. (2013). An Egyptian family with H syndrome due to a novel mutation in SLC29A3 illustrating overlapping features with pigmented hypertrichotic dermatosis with insulin-dependent diabetes and Faisalabad histiocytosis. (external link)
- Ingrid Kvåle Nordaas; Audun Magerøy Trelsgård; Erling Tjora et al. (2024). Pancreatic atrophy is a predictor for exocrine pancreatic dysfunction: Data from a large cohort of patients with chronic pancreatitis. (external link)
- Øyvind Holme; Erling Tjora; Lars Aabakken (2011). Eosinofil øsofagitt. (external link)
- Erling Tjora; Friedemann Georg Erchinger; Trond Engjom et al. (2018). Analysis of lipase activity in duodenal juice. Comparison of an automated spectrophotometric assay to a fluorometric microplate assay, and factors affecting sample stability. (external link)
- Trond Engjom; Giedre Kavaliauskiene; Erling Tjora et al. (2018). Sonographic pancreas echogenicity in cystic fibrosis compared to exocrine pancreatic function and pancreas fat content at Dixon-MRI. (external link)
- Erling Tjora; Gaute K Wathle; Friedemann Erchinger et al. (2013). Exocrine pancreatic function in hepatocyte nuclear factor 1 beta-maturity-onset diabetes of the young (HNF1B-MODY) is only moderately reduced: compensatory hypersecretion from a hypoplastic pancreas. (external link)
- Trond Engjom; Friedemann Georg Erchinger; Erling Tjora et al. (2015). Diagnostic accuracy of secretin-stimulated ultrasonography of the pancreas assessing exocrine pancreatic failure in cystic fibrosis and chronic pancreatitis. (external link)
- Trond Engjom; Friedemann Georg Erchinger; Birger Norderud Lærum et al. (2015). Diagnostic accuracy of a short endoscopic secretin test in patients with cystic fibrosis. (external link)
- Erling Tjora; Dag Moster; Trond Markestad et al. (2010). Early severe weight loss in newborns after discharge from regular nurseries. (external link)
- Sondre V. Meling; Erling Tjora; Heike Eichele et al. (2023). Rectal sensitivity correlated with gastrointestinal-mediated glucose disposal, but not the incretin effect. (external link)
- Erling Tjora; Georg Gjorgji Dimcevski; Stephan L. Haas et al. (2020). Patient reported exposure to smoking and alcohol abuse are associated with pain and other complications in patients with chronic pancreatitis. (external link)
- Sondre V. Meling; Erling Tjora; Heike Eichele et al. (2023). The PanGut-study: Evoked potentials following rectal balloon distention, a way of evaluating diabetic autonomic neuropathy in the gut?. (external link)
- Friedemann Georg Erchinger; Trond Engjom; Georg Gjorgji Dimcevski et al. (2022). Exocrine pancreas insufficiency in chronic pancreatitis – Risk factors and associations with complications. A multicentre study of 1869 patients. (external link)
Media feature article
Conference abstract
- Gaute K Wathle; Erling Tjora; Pål Rasmus Njølstad et al. (2013). Assessment of exocrine pancreatic funtion by secretin-stimulated MRCP and DWI in healthy controls and in patients with monogenic diabetes. (external link)
- Friedemann Erchinger; Trond Engjom; Erling Tjora et al. (2011). A Short Endoscopic Pancreas Function Test to Diagnose Chronic Pancreatitis. (external link)
- Taraneh Jouleh; Ingrid Kvåle Nordaas; Erling Tjora et al. (2023). Gallbladder Function in Diabetes Assessed by Ultrasound. (external link)
Conference lecture
- Friedemann Georg Erchinger; Oddrun Anita Gudbrandsen; Trond Engjom et al. (2015). Ved sammenlikning av to metoder er korrelasjonskoeffisient ikke nok - Bruk også Bland-Altman plot. (external link)
- Friedemann Georg Erchinger; Oddrun Anita Gudbrandsen; Trond Engjom et al. (2015). Automatisering av enzymmålinger i duodenalsaft ved kort endoskopisk sekretintest. (external link)
- Trond Engjom; Friedemann Erchinger; Georg Gjorgji Dimcevski et al. (2011). Transabdominal ultrasound of the pancreas after secretin-stimulation. (external link)
- Dag André Sangnes; Trond Engjom; Kristian Løvaas et al. (2023). Epidemiologi og patofysiologi ved diabetisk diaré (DIAREPA). (external link)
Conference poster
- Roald Flesland Havre; Erling Tjora (2023). Per Oral Endoscopic Myotomy using super pulsed thulium fiber laser - preliminary data. (external link)
- Trond Engjom; Friedemann Georg Erchinger; Georg Gjorgji Dimcevski et al. (2012). Ultrasond of the pancreas in cystic fibrosis. (external link)
- Liv Aasmul; Erling Tjora; Oddrun Anita Gudbrandsen et al. (2014). From Manual to Automated Analysis of Lipase and Amylase in Duodenal Juice. (external link)
- Gaute Kjellevold Wathle; Trond Engjom; Birger Norderud Lærum et al. (2015). Secretin stimulated MRCP in the evaluation of exocrine pancreatic function in cystic fibrosis. (external link)
- Tæraneh Jouleh; Spiros Kotopoulis; Georg Dimcevski et al. (2024). Gallbladder Volumes Estimated by 2D Versus 3D Ultrasound. (external link)
- Trond Engjom; Friedemann Erchinger; Georg Gjorgji Dimcevski et al. (2013). Parenchymal and functional ultrasonographic characteristics of the pancreas in cystic fibrosis. The correlation of image modalities to exocrine pancreatic function. (external link)
- Friedemann Georg Erchinger; Oddrun Anita Gudbrandsen; Trond Engjom et al. (2014). Quantification of exocrine ductal pancreatic function using a short endoscopic secretin test and automatic duodenal bicarbonate measurement. (external link)
- Khanh Do-Cong Pham; Roald Flesland Havre; Erling Tjora (2023). Per Oral Endoscopic Myotomy using super pulsed thulium fiber laser - preliminary data. (external link)
- Tæraneh Jouleh; Ingrid Kvåle Nordaas; Erling Tjora et al. (2024). Gallbladder 3D Volumetry in Type 2 Diabetes Mellitus. (external link)