Browsing UiS Brage by Author "Janssen, Emiel"

Now showing items 1-20 of 42

    • Automatic diagnostic tool for predicting cancer grade in bladder cancer patients using deep learning 

      Wetteland, Rune; Engan, Kjersti; Eftestøl, Trygve Christian; Kvikstad, Vebjørn; Janssen, Emiel; Tøssebro, Erlend; Lillesand, Melinda (Peer reviewed; Journal article, 2021-08)
      The most common type of bladder cancer is urothelial carcinoma, which is among the cancer types with the highest recurrence rate and lifetime treatment cost per patient. Diagnosed patients are stratified into risk groups, ...

    • Balancing privacy and progress in artificial intelligence : Anonymization in histopathology for biomedical research and education 

      Kanwal, Neel; Janssen, Emiel; Engan, Kjersti (Frontiers of Artificial Intelligence, Ethics and Multidisciplinary Applications;, Chapter, 2024)
      The advancement of biomedical research heavily relies on access to large amounts of medical data. In the case of histopathology, Whole Slide Images (WSI) and clinicopathological information are valuable for developing ...

    • Better prognostic markers for nonmuscle invasive papillary urothelial carcinomas 

      Kvikstad, Vebjørn (PhD thesis UiS;, Doctoral thesis, 2022-04)
      Bladder cancer is a common type of cancer, especially among men in developed countries. Most cancers in the urinary bladder are papillary urothelial carcinomas. They are characterized by a high recurrence frequency (up to ...

    • Combined HER3-EGFR score in triple-negative breast cancer provides prognostic and predictive significance superior to individual biomarkers 

      Ogden, Angela; Bhattarai, Shristi; Sahoo, Bikram; Mongan, Nigel P.; Alsaleem, Mansour; Green, Andrew R.; Aleskandarany, Mohammed; Ellis, Ian O.; Pattni, Sonal; Li, Xiaoxian Bill; Moreno, Carlos S.; Krishnamurti, Uma; Janssen, Emiel; Jonsdottir, Kristin; Rakha, Emad; Rida, Padmashree; Aneja, Ritu (Peer reviewed; Journal article, 2020)
      Epidermal growth factor receptor (EGFR) and human epidermal growth factor receptor 3 (HER3) have been investigated as triple-negative breast cancer (TNBC) biomarkers. Reduced EGFR levels can be compensated by increases in ...

    • Detection and localization of melanoma skin cancer in histopathological whole slide images 

      Kanwal, Neel; Amundsen, Roger; Hardardottir, Helga; Tomasetti, Luca; Undersrud, Erling Sandøy; Janssen, Emiel; Engan, Kjersti (European Signal Processing Conference;, Chapter; Conference object, 2023)
      If melanoma is diagnosed and treated in its early stages can increase the survival rate. A projected increase in skin cancer incidents and a shortage of dermatopathologists have emphasized the need for computational pathology ...

    • Digital Image Analysis of Ki-67 Stained Tissue Microarrays and Recurrence in Tamoxifen-Treated Breast Cancer Patients 

      Egeland, Nina Gran; Jonsdottir, Kristin; Lauridsen, Kristina Lystlund; Skaland, Ivar; Hjorth, Cathrine F.; Gudlaugsson, Einar; Hamilton-Dutoit, Stephen Jacques; Lash, Timothy L.; Cronin-Fenton, Deidre; Janssen, Emiel (Peer reviewed; Journal article, 2020-07)
      Purpose: The proliferation marker Ki-67 has been used as a prognostic marker to separate low- and high-risk breast cancer subtypes and guide treatment decisions for adjuvant chemotherapy. The association of Ki-67 with ...

    • Discovery and Validation of Biomarkers in Breast Cancer 

      Egeland, Nina Gran (PhD thesis UiS;546, Doctoral thesis, 2020-09)
      Worldwide, breast cancer is the most common malignancy among women, and although treatment and prognosis have improved substantially over the last decades, for some patients the risk of recurrence remains for several years ...

    • Distinct Gene Expression Profiles of Matched Primary and Metastatic Triple-Negative Breast Cancers 

      Kaur, Jaspreet; Chandrashekar, Darshan S.; Varga, Zsuzsanna; Sobottka, Bettina; Janssen, Emiel; Kowalski, Jeanne; Kiraz, Umay; Varambally, Sooryanarayana; Aneja, Ritu (Peer reviewed; Journal article, 2022)
      Background: Although triple-negative breast cancer (TNBC) is associated with an increased risk of recurrence and metastasis, the molecular mechanisms underlying metastasis in TNBC remain unknown. To identify transcriptional ...

    • Effects of replacing PSA with Stockholm3 for diagnosis of clinically significant prostate cance in a health care system – the Stavanger Experience 

      Viste, Eirik; Vinje, Cathrine Alvær; Lid, Torgeir Gilje; Skeie, Svein; Evjen-Olsen, Øystein; Nordström, Tobias; Thorsen, Olav; Gilje, Bjørnar; Janssen, Emiel; Kjosavik, Svein Reidar (Peer reviewed; Journal article, 2020-08)
      Objective To describe early experience of replacing PSA with Stockholm3 for detection of prostate cancer in primary care. Design and methods Longitudinal observations, comparing outcome measures before and after the ...

    • Estimating diagnostic uncertainty in artificial intelligence assisted pathology using conformal prediction 

      Olsson, Henrik; Kartasalo, Kimmo; Mulliqi, Nita; Capuccini, Marco; Ruusuvuori, Pekka; Samaratunga, Hemamali; Delahunt, Brett; Lindskog, Cecilia; Janssen, Emiel; Blilie, Anders; Egevad, Lars; Spjuth, Ola; Eklund, Martin (Peer reviewed; Journal article, 2022)
      Unreliable predictions can occur when an artificial intelligence (AI) system is presented with data it has not been exposed to during training. We demonstrate the use of conformal prediction to detect unreliable predictions, ...

    • From Research to Clinical Diagnostics: Developing and Validating Biomarkers and Artificial Intelligence for Pathology 

      Rewcastle, Emma (PhD thesis UiS;, Doctoral thesis, 2024)
      In 2021, digital pathology was deployed in the hospitals of the western health region of Norway. Histological tissue specimens previously viewed under the microscope on glass slides, are now being scanned, and whole slide ...

    • High-Grade Cervical Intraepithelial Neoplasia (CIN) Associates with Increased Proliferation and Attenuated Immune Signaling 

      Øvestad, Irene Tveiterås; Engesæter, Birgit Øvstebø; Halle, Mari Kyllesø; Akbari, Saleha; Bicskei, Beatrix; Lapin, Morten; Austdal, Marie; Janssen, Emiel; Krakstad, Camilla; Lillesand, Melinda; Nordhus, Marit; Munk, Ane Cecilie Dæhli; Gudlaugsson, Einar (Peer reviewed; Journal article, 2021-12)
      Implementation of high-risk human papilloma virus (HPV) screening and the increasing proportion of HPV vaccinated women in the screening program will reduce the percentage of HPV positive women with oncogenic potential. ...

    • Homologous Recombination Deficiency Across Subtypes of Primary Breast Cancer 

      Yndestad, Synnøve; Engebrethsen, Christina; Herencia-Ropero, A.; Nikolaienko, Oleksii; Vintermyr, Olav Karsten; Lillestøl, Reidun Kristine; Minsaas, Laura; Leirvaag, Beryl; Iversen, Gjertrud Titlestad; Gilje, Bjørnar; Blix, Egil Støre; Espelid, Helge; Lundgren, Steinar; Geisler, Jürgen; Aase, Hildegunn Siv; Aas, Turid; Gudlaugsson, Einar; Llop-Guevara, Alba; Serra, Violeta; Janssen, Emiel; Lønning, Per Eystein; Knappskog, Stian; Eikesdal, Hans Petter (Peer reviewed; Journal article, 2023)
      Purpose Homologous recombination deficiency (HRD) is highly prevalent in triple-negative breast cancer (TNBC) and associated with response to PARP inhibition (PARPi). Here, we studied the prevalence of HRD in non-TNBC to ...

    • Impact of KRAS and BRAF mutations on treatment efficacy and survival in high-grade gastroenteropancreatic neuroendocrine neoplasms 

      Elvebakken, Hege; Hjortland, Geir Olav; Garresori, Herish; Andresen, Per Arne; Janssen, Emiel; Vintermyr, Olav Karsten; Lothe, Inger Marie Bowitz; Sorbye, Halfdan (Peer reviewed; Journal article, 2023)
      High-grade gastroenteropancreatic neuroendocrine neoplasms (HG GEP-NEN) typically disseminate early. Treatment of metastatic disease has limited benefit and prognosis is generally discouraging. Data on the clinical impact ...

    • Impact of Prosigna test on adjuvant treatment decision in lymph node-negative early breast cancer—a prospective national multicentre study (EMIT-1) 

      Ohnstad, Hege Oma; Blix, Egil Støre; Akslen, Lars Andreas; Gilje, Bjørnar; Raj, Sunil Xavier; Skjerven, Helle; Borgen, Elin; Janssen, Emiel; Mortensen, Elin Synnøve; Brekke, Marianne B.; Falk, Ragnhild Sørum; Schlichting, Ellen; Boge, Beate; Songe-Møller, Silje; Olsson, Pernilla Marie A.; Heie, Anette; Mannsåker, Bård; Vestlid, Magdalena Aas; Kursetgjerde, Torgunn; Gravdehaug, Berit; Suhrke, Pål; Sánchez, E.; Bublevic, J.; Røe, Oluf Dimitri; Geitvik, Gry; Halset, Eline Holli; Rypdal, Maria Christine; Langerød, Anita; Lømo, Jon; Garred, Øystein; Porojnicu, Alina Carmen; Engebraaten, O.; Geisler, Jürgen; Lyngra, Marianne; Hansen, M. H.; Søiland, Håvard; Nakken, T.; Asphaug, Lars; Kristensen, Vessela N.; Sørlie, Therese; Sørlie, T.; Nygård, Jan Franz; Kiserud, Cecilie E.; Reinertsen, Kristin Valborg; Russnes, Hege Elisabeth Giercksky; Naume, Bjørn (Peer reviewed; Journal article, 2024)
      Background EMIT-1 is a national, observational, single-arm trial designed to assess the value of the Prosigna, Prediction Analysis of Microarray using the 50 gene classifier (PAM50)/Risk of Recurrence (ROR), test as a ...

    • Importance of endocrine treatment adherence and persistence in breast cancer survivorship: a systematic review 

      Eliassen, Finn; Blåfjelldal, Vibeke; Helland, Thomas; Hjorth, Cathrine Fonnesbech; Hølland, Kari; Lode, Lise; Bertelsen, Bjørn-Erik; Janssen, Emiel; Mellgren, Gunnar; Kvaløy, Jan Terje; Søiland, Håvard; Lende, Tone Hoel (Peer reviewed; Journal article, 2023)
      Purpose Adjuvant endocrine treatment is essential for treating luminal subtypes of breast cancer, which constitute 75% of all breast malignancies. However, the detrimental side effects of treatment make it difficult for ...

    • Improving public cancer care by implementing precision medicine in Norway: IMPRESS-Norway 

      Helland, Åslaug; Russnes, Hege Elisabeth Giercksky; Fagereng, Gro Live; Al-Shibli, Khalid Ibrahim; Andersson, Yvonne; Berg, Thomas; Bjørge, Line; Blix, Egil Støre; Bjerkehagen, Bodil; Brabrand, Sigmund; CAMERON, MARTE; Dalhaug, Astrid; Dietzel, Dalia; Dønnem, Tom; Enerly, Espen; Flobak, Åsmund; Fluge, Sverre; Gilje, Bjørnar; Gjertsen, Bjørn Tore; Grønberg, Bjørn Henning; Grønås, Kari; Guren, Tormod Kyrre; Hamre, Hanne Mari; Haug, Åse; Heinrich, Daniel; Hjortland, Geir Olav; Hovig, Eivind; Hovland, Randi; Iversen, Ann-Charlotte; Janssen, Emiel; Kyte, Jon A; Gythfeldt, Hedda; Lothe, Ragnhild Adelheid; Lund, Jo-Åsmund; Meza, Leonardo Zepeda; Munthe-Kaas, Monica Cheng; Nguyen, Olav Toai Duc; Niehusmann, Pitt; Nilsen, Hilde; Puco, Katarina; Ree, Anne Hansen; Riste, Tonje Bøyum; Semb, Karin; Steinskog, Eli Sihn Samdal; Stensvold, Andreas; Suhrke, Pål; Tennøe, Øyvind Krohn; Tjønnfjord, Geir Erland; Vassbotn, Liv Jorunn; Aas, Eline; Aasebø, Kristine Øverås; Tasken, Kjetil; Smeland, Sigbjørn (Peer reviewed; Journal article, 2022)
      Background Matching treatment based on tumour molecular characteristics has revolutionized the treatment of some cancers and has given hope to many patients. Although personalized cancer care is an old concept, renewed ...

    • Influence of pre-operative oral carbohydrate loading vs. standard fasting on tumor proliferation and clinical outcome in breast cancer patients - a randomized trial 

      Lende, Tone Hoel; Austdal, Marie; Varhaugvik, Anne Elin; Skaland, Ivar; Gudlaugsson, Einar; Kvaløy, Jan Terje; Akslen, Lars A.; Søiland, Håvard; Janssen, Emiel; Baak, Jan P.A. (Journal article; Peer reviewed, 2019-11)
      Background Conflicting results have been reported on the influence of carbohydrates in breast cancer. Objective To determine the influence of pre-operative per-oral carbohydrate load on proliferation in breast ...

    • Integrating Genetic Alterations and Histopathological Features for Enhanced Risk Stratification in Non-Muscle-Invasive Bladder Cancer 

      Lillesand, Melinda; Kvikstad, Vebjørn; Gudlaugsson, Einar; Skaland, Ivar; Slewa Johannessen, Aida; Tesfahun, Almaz Nigatu; Sperstad, Sigmund; Janssen, Emiel; Austdal, Marie (Peer reviewed; Journal article, 2024)
      Background: Urothelial carcinoma presents as non-muscle-invasive bladder cancer (NMIBC) in ~75% of primary cases. Addressing the limitations of the TNM and WHO04/16 classification systems, this study investigates genetic ...

    • Invasive cancerous area detection in non-muscle invasive bladder cancer whole slide images 

      Fuster Navarro, Saul; Khoraminia, Farbod; Kiraz, Umay; Kanwal, Neel; Kvikstad, Vebjørn; Eftestøl, Trygve Christian; Zuiverloon, Tahlita C M; Janssen, Emiel; Engan, Kjersti (Chapter, 2022)
      Bladder cancer patients’ stratification into risk groups relies on grade, stage and clinical factors. For non-muscle invasive bladder cancer, T1 tumours that invade the subepithelial tissue are high-risk lesions with a ...