Marit Valla
Om
Arbeidsoppgaver
- Førsteamanuensis ved IKOM og overlege ved Avdeling for patologi, St. Olavs hospital
- Forskningen omhandler anvendelse av dyplæringsmetoder (kunstig intelligens) ved brystkreft, molekylpatologiske studier i brystkreft og gynekologisk patologi.
- Veileder PhD-stipendiater og hovedoppgavestudenter på medisinstudiet
- Undervisningsenhetsleder i enheten anatomi, patologi og rettsmedisin
- Underviser medisinstudenter.
Kompetanse og interesseområder
- Spesialist i patologi med spesiell kompetanse innen mammapatologi og gynekologisk patologi.
- Bruk av kunstig intelligens i patologi, molekylærpatologi
- Tverrfaglig arbeid
- Medlem av Forskningsutvalget og styremedlem i den norske patologforening
- Medlem av Nordic Network of Gynecologic Pathologists.
Publikasjoner
2022
-
Klæstad, Elise;
Opdahl, Signe;
Raj, Sunil Xavier;
Valla, Marit;
Bofin, Anna M..
(2022)
Long term trends of breast cancer incidence according to proliferation status.
BMC Cancer.
volum 22 (1).
Vitenskapelig artikkel
-
Pedersen, Andre;
Reinertsen, Ingerid Reime;
Janssen, Emiel;
Valla, Marit.
(2022)
Artificial Intelligence in Studies of Malignant Tumours.
Biomarkers of the Tumor Microenvironment.
Faglig kapittel
-
Pedersen, André;
Smistad, Erik;
Rise, Tor Vikan;
Dale, Vibeke Grotnes;
Pettersen, Henrik P Sahlin;
Nordmo, Tor-Arne Schmidt;
Bouget, David Nicolas Jean-Mar;
Reinertsen, Ingerid;
Valla, Marit.
(2022)
H2G-Net: A multi-resolution refinement approach for segmentation of breast cancer region in gigapixel histopathological images.
Frontiers in medicine.
volum 9.
Vitenskapelig artikkel
-
Skjervold, Anette Hansen;
Pettersen, Henrik P Sahlin;
Valla, Marit;
Opdahl, Signe;
Bofin, Anna Mary.
(2022)
Visual and digital assessment of Ki-67 in breast cancer tissue - a comparison of methods.
Diagnostic Pathology.
volum 17 (1).
Vitenskapelig artikkel
-
Valla, Marit;
Klæstad, Elise;
Ytterhus, Borgny;
Bofin, Anna M..
(2022)
CCND1 amplification in breast cancer -associations with proliferation, histopathological grade, molecular subtype and prognosis.
Journal of mammary gland biology and neoplasia.
volum 27.
Vitenskapelig artikkel
2021
-
Bofin, Anna M.;
Ytterhus, Borgny;
Klæstad, Elise;
Valla, Marit.
(2021)
FGFR1 copy number in breast cancer: associations with proliferation, histopathological grade and molecular subtypes.
Journal of Clinical Pathology.
Vitenskapelig artikkel
-
Klæstad, Elise;
Sawicka, Joanna Ewa;
Engstrøm, Monica J;
Ytterhus, Borgny;
Valla, Marit;
Bofin, Anna M..
(2021)
ZNF703 gene copy number and protein expression in breast cancer; associations with proliferation, prognosis and luminal subtypes.
Breast Cancer Research and Treatment.
Vitenskapelig artikkel
-
Pedersen, André;
Valla, Marit;
Bofin, Anna Mary;
Perez de Frutos, Javier;
Reinertsen, Ingerid;
Smistad, Erik.
(2021)
FastPathology: An open-source platform for deep learning-based research and decision support in digital pathology.
IEEE Access.
volum 9.
Vitenskapelig artikkel
-
Sandvei, Marie Søfteland;
Opdahl, Signe;
Valla, Marit;
Lagiou, Pagona;
Vesterfjell, Ellen Veronika;
Rise, Tor Vikan;
Overrein, Tina Syvertsen;
Skjervold, Anette Hansen;
Engstrøm, Monica J;
Bofin, Anna M.;
Vatten, Lars J..
(2021)
The association of women’s birth size with risk of molecular breast cancer subtypes: a cohort study.
BMC Cancer.
volum 21 (1).
Vitenskapelig artikkel
-
Valla, Marit;
Opdahl, Signe;
Ytterhus, Borgny;
Bofin, Anna M..
(2021)
DTX3 copy number increase in breast cancer: a study of associations to molecular subtype, proliferation and prognosis.
Breast Cancer Research and Treatment.
volum 187 (1).
Vitenskapelig artikkel
2020
-
Klæstad, Elise;
Opdahl, Signe;
Engstrøm, Monica J;
Ytterhus, Borgny;
Wik, Elisabeth;
Bofin, Anna Mary;
Valla, Marit.
(2020)
MRPS23 amplification and gene expression in breast cancer; association with proliferation and the non-basal subtypes.
Breast Cancer Research and Treatment.
volum 180.
Vitenskapelig artikkel
2018
-
Kraby, Maria Ryssdal;
Valla, Marit;
Opdahl, Signe;
Haugen, Olav Anton;
Sawicka, Joanna Ewa;
Engstrøm, Monica J;
Bofin, Anna M..
(2018)
The prognostic value of androgen receptors in breast cancer subtypes.
Breast Cancer Research and Treatment.
Vitenskapelig artikkel
-
Steigedal, Tonje S.;
Toraskar, Jimita Prashant;
Redvers, Richard P.;
Valla, Marit;
Magnussen, Synnøve;
Bofin, Anna M.;
Opdahl, Signe;
Lundgren, Steinar;
Eckhardt, Bedrich L.;
Lamar, John Michael;
Doherty, Judy;
Hynes, Richard O.;
Anderson, Robin L.;
Svineng, Gunbjørg.
(2018)
Nephronectin is Correlated with Poor Prognosis in Breast Cancer and Promotes Metastasis via its Integrin-Binding Motifs.
Neoplasia.
volum 20 (4).
Vitenskapelig artikkel
-
Valla, Marit;
Mjønes, Patricia;
Engstrøm, Monica J;
Ytterhus, Borgny;
Bordin, Diana Lilian;
van Loon, Barbara;
Akslen, Lars A.;
Vatten, Lars Johan;
Opdahl, Signe;
Bofin, Anna M..
(2018)
Characterization of FGD5 expression in primary breast cancers and lymph node metastases.
Journal of Histochemistry and Cytochemistry.
Vitenskapelig artikkel
2017
-
Engstrøm, Monica J;
Valla, Marit;
Bofin, Anna M..
(2017)
Basal markers and prognosis in luminal breast cancer.
Breast Cancer Research and Treatment.
volum 163 (2).
Vitenskapelig artikkel
-
Nastic, Denis;
Shanwell, Emma;
Keng-Ling, Wallin;
Valla, Marit;
Måsbäck, Anna;
Mateoiu, Claudia;
Lidang, Marianne;
Liakka, Annikki;
Lappi-Blanco, Elisa;
Grove, Anni;
Davidson, Ben;
Carpen, Olli;
Bertelsen, Bjørn;
Bak, Julia;
Abusland, Anne Britt;
Selling, Jonas;
Carlson, Joseph W..
(2017)
A selective biomarker panel increases reproducibility and accuracy in endometrial biopsy diagnosis.
International Journal of Gynecological Pathology.
volum 36 (4).
Vitenskapelig artikkel
-
Pedersen, André;
Reinertsen, Ingerid;
Janssen, Emiel;
Valla, Marit.
(2017)
Artificial Intelligence in Studies of Malignant Tumours.
Biomarkers of the Tumor Microenvironment: Basic Studies and Practical Applications.
Faglig kapittel
-
Valla, Marit;
Engstrøm, Monica J;
Ytterhus, Borgny;
Hansen, Åse Kristin Skain;
Akslen, Lars A.;
Vatten, Lars Johan;
Opdahl, Signe;
Bofin, Anna M..
(2017)
FGD5 amplification in breast cancer patients is associated with tumor proliferation and a poorer prognosis.
Breast Cancer Research and Treatment.
volum 162 (2).
Vitenskapelig artikkel
2016
-
Baasland, Ingrid;
Hagen, Bjørn;
Vogt, Christina;
Valla, Marit;
Romundstad, Pål Richard.
(2016)
Colposcopy and additive diagnostic value of biopsies from colposcopy-negative areas to detect cervical dysplasia.
Acta Obstetricia et Gynecologica Scandinavica.
volum 95 (11).
Vitenskapelig artikkel
-
Hagen, Bjørn;
Valla, Marit;
Aune, Guro;
Ravlo, Merethe;
Abusland, Anne Britt;
Araya, Elisabeth;
Sundset, Marit;
Tingulstad, Solveig.
(2016)
Indocyanine green fluorescence imaging of lymph nodes during robotic-assisted laparoscopic operation for endometrial cancer. A prospective validation study using a sentinel lymph node surgical algorithm.
Gynecologic Oncology.
volum 143 (3).
Vitenskapelig artikkel
-
Valla, Marit;
Vatten, Lars Johan;
Engstrøm, Monica J;
Haugen, Olav Anton;
Akslen, Lars A.;
Bjørngaard, Johan Håkon;
Hagen, Anne Irene;
Ytterhus, Borgny;
Bofin, Anna M.;
Opdahl, Signe.
(2016)
Molecular subtypes of breast cancer: Long-term incidence trends and prognostic differences.
Cancer Epidemiology, Biomarkers and Prevention.
volum 25 (12).
Vitenskapelig artikkel
2012
-
Valla, Marit;
Mjønes, Patricia Gjertrud;
Knopp, Synne.
(2012)
Implementation of step sectioning in the examination of sentinel lymph nodes to improve the detection of micrometastases in breast cancer patients.
APMIS - Journal of Pathologiy, Microbiology and Immunology.
volum 120 (7).
Vitenskapelig artikkel
2005
-
Paulsen, Dag;
Stamnes, Helene Lysne;
Valla, Marit;
Rolie, Jon Peter.
(2005)
Omorganisering innen kirurgi har følger for nyremedisinsk virksomhet.
Tidsskrift for Den norske legeforening.
volum 125.
Vitenskapelig artikkel
Vitenskapelige artikler
-
Klæstad, Elise;
Opdahl, Signe;
Raj, Sunil Xavier;
Valla, Marit;
Bofin, Anna M..
(2022)
Long term trends of breast cancer incidence according to proliferation status.
BMC Cancer.
volum 22 (1).
Vitenskapelig artikkel
-
Pedersen, André;
Smistad, Erik;
Rise, Tor Vikan;
Dale, Vibeke Grotnes;
Pettersen, Henrik P Sahlin;
Nordmo, Tor-Arne Schmidt;
Bouget, David Nicolas Jean-Mar;
Reinertsen, Ingerid;
Valla, Marit.
(2022)
H2G-Net: A multi-resolution refinement approach for segmentation of breast cancer region in gigapixel histopathological images.
Frontiers in medicine.
volum 9.
Vitenskapelig artikkel
-
Skjervold, Anette Hansen;
Pettersen, Henrik P Sahlin;
Valla, Marit;
Opdahl, Signe;
Bofin, Anna Mary.
(2022)
Visual and digital assessment of Ki-67 in breast cancer tissue - a comparison of methods.
Diagnostic Pathology.
volum 17 (1).
Vitenskapelig artikkel
-
Valla, Marit;
Klæstad, Elise;
Ytterhus, Borgny;
Bofin, Anna M..
(2022)
CCND1 amplification in breast cancer -associations with proliferation, histopathological grade, molecular subtype and prognosis.
Journal of mammary gland biology and neoplasia.
volum 27.
Vitenskapelig artikkel
-
Bofin, Anna M.;
Ytterhus, Borgny;
Klæstad, Elise;
Valla, Marit.
(2021)
FGFR1 copy number in breast cancer: associations with proliferation, histopathological grade and molecular subtypes.
Journal of Clinical Pathology.
Vitenskapelig artikkel
-
Klæstad, Elise;
Sawicka, Joanna Ewa;
Engstrøm, Monica J;
Ytterhus, Borgny;
Valla, Marit;
Bofin, Anna M..
(2021)
ZNF703 gene copy number and protein expression in breast cancer; associations with proliferation, prognosis and luminal subtypes.
Breast Cancer Research and Treatment.
Vitenskapelig artikkel
-
Pedersen, André;
Valla, Marit;
Bofin, Anna Mary;
Perez de Frutos, Javier;
Reinertsen, Ingerid;
Smistad, Erik.
(2021)
FastPathology: An open-source platform for deep learning-based research and decision support in digital pathology.
IEEE Access.
volum 9.
Vitenskapelig artikkel
-
Sandvei, Marie Søfteland;
Opdahl, Signe;
Valla, Marit;
Lagiou, Pagona;
Vesterfjell, Ellen Veronika;
Rise, Tor Vikan;
Overrein, Tina Syvertsen;
Skjervold, Anette Hansen;
Engstrøm, Monica J;
Bofin, Anna M.;
Vatten, Lars J..
(2021)
The association of women’s birth size with risk of molecular breast cancer subtypes: a cohort study.
BMC Cancer.
volum 21 (1).
Vitenskapelig artikkel
-
Valla, Marit;
Opdahl, Signe;
Ytterhus, Borgny;
Bofin, Anna M..
(2021)
DTX3 copy number increase in breast cancer: a study of associations to molecular subtype, proliferation and prognosis.
Breast Cancer Research and Treatment.
volum 187 (1).
Vitenskapelig artikkel
-
Klæstad, Elise;
Opdahl, Signe;
Engstrøm, Monica J;
Ytterhus, Borgny;
Wik, Elisabeth;
Bofin, Anna Mary;
Valla, Marit.
(2020)
MRPS23 amplification and gene expression in breast cancer; association with proliferation and the non-basal subtypes.
Breast Cancer Research and Treatment.
volum 180.
Vitenskapelig artikkel
-
Kraby, Maria Ryssdal;
Valla, Marit;
Opdahl, Signe;
Haugen, Olav Anton;
Sawicka, Joanna Ewa;
Engstrøm, Monica J;
Bofin, Anna M..
(2018)
The prognostic value of androgen receptors in breast cancer subtypes.
Breast Cancer Research and Treatment.
Vitenskapelig artikkel
-
Steigedal, Tonje S.;
Toraskar, Jimita Prashant;
Redvers, Richard P.;
Valla, Marit;
Magnussen, Synnøve;
Bofin, Anna M.;
Opdahl, Signe;
Lundgren, Steinar;
Eckhardt, Bedrich L.;
Lamar, John Michael;
Doherty, Judy;
Hynes, Richard O.;
Anderson, Robin L.;
Svineng, Gunbjørg.
(2018)
Nephronectin is Correlated with Poor Prognosis in Breast Cancer and Promotes Metastasis via its Integrin-Binding Motifs.
Neoplasia.
volum 20 (4).
Vitenskapelig artikkel
-
Valla, Marit;
Mjønes, Patricia;
Engstrøm, Monica J;
Ytterhus, Borgny;
Bordin, Diana Lilian;
van Loon, Barbara;
Akslen, Lars A.;
Vatten, Lars Johan;
Opdahl, Signe;
Bofin, Anna M..
(2018)
Characterization of FGD5 expression in primary breast cancers and lymph node metastases.
Journal of Histochemistry and Cytochemistry.
Vitenskapelig artikkel
-
Engstrøm, Monica J;
Valla, Marit;
Bofin, Anna M..
(2017)
Basal markers and prognosis in luminal breast cancer.
Breast Cancer Research and Treatment.
volum 163 (2).
Vitenskapelig artikkel
-
Nastic, Denis;
Shanwell, Emma;
Keng-Ling, Wallin;
Valla, Marit;
Måsbäck, Anna;
Mateoiu, Claudia;
Lidang, Marianne;
Liakka, Annikki;
Lappi-Blanco, Elisa;
Grove, Anni;
Davidson, Ben;
Carpen, Olli;
Bertelsen, Bjørn;
Bak, Julia;
Abusland, Anne Britt;
Selling, Jonas;
Carlson, Joseph W..
(2017)
A selective biomarker panel increases reproducibility and accuracy in endometrial biopsy diagnosis.
International Journal of Gynecological Pathology.
volum 36 (4).
Vitenskapelig artikkel
-
Valla, Marit;
Engstrøm, Monica J;
Ytterhus, Borgny;
Hansen, Åse Kristin Skain;
Akslen, Lars A.;
Vatten, Lars Johan;
Opdahl, Signe;
Bofin, Anna M..
(2017)
FGD5 amplification in breast cancer patients is associated with tumor proliferation and a poorer prognosis.
Breast Cancer Research and Treatment.
volum 162 (2).
Vitenskapelig artikkel
-
Baasland, Ingrid;
Hagen, Bjørn;
Vogt, Christina;
Valla, Marit;
Romundstad, Pål Richard.
(2016)
Colposcopy and additive diagnostic value of biopsies from colposcopy-negative areas to detect cervical dysplasia.
Acta Obstetricia et Gynecologica Scandinavica.
volum 95 (11).
Vitenskapelig artikkel
-
Hagen, Bjørn;
Valla, Marit;
Aune, Guro;
Ravlo, Merethe;
Abusland, Anne Britt;
Araya, Elisabeth;
Sundset, Marit;
Tingulstad, Solveig.
(2016)
Indocyanine green fluorescence imaging of lymph nodes during robotic-assisted laparoscopic operation for endometrial cancer. A prospective validation study using a sentinel lymph node surgical algorithm.
Gynecologic Oncology.
volum 143 (3).
Vitenskapelig artikkel
-
Valla, Marit;
Vatten, Lars Johan;
Engstrøm, Monica J;
Haugen, Olav Anton;
Akslen, Lars A.;
Bjørngaard, Johan Håkon;
Hagen, Anne Irene;
Ytterhus, Borgny;
Bofin, Anna M.;
Opdahl, Signe.
(2016)
Molecular subtypes of breast cancer: Long-term incidence trends and prognostic differences.
Cancer Epidemiology, Biomarkers and Prevention.
volum 25 (12).
Vitenskapelig artikkel
-
Valla, Marit;
Mjønes, Patricia Gjertrud;
Knopp, Synne.
(2012)
Implementation of step sectioning in the examination of sentinel lymph nodes to improve the detection of micrometastases in breast cancer patients.
APMIS - Journal of Pathologiy, Microbiology and Immunology.
volum 120 (7).
Vitenskapelig artikkel
-
Paulsen, Dag;
Stamnes, Helene Lysne;
Valla, Marit;
Rolie, Jon Peter.
(2005)
Omorganisering innen kirurgi har følger for nyremedisinsk virksomhet.
Tidsskrift for Den norske legeforening.
volum 125.
Vitenskapelig artikkel
Del av bok/rapport
-
Pedersen, Andre;
Reinertsen, Ingerid Reime;
Janssen, Emiel;
Valla, Marit.
(2022)
Artificial Intelligence in Studies of Malignant Tumours.
Biomarkers of the Tumor Microenvironment.
Faglig kapittel
-
Pedersen, André;
Reinertsen, Ingerid;
Janssen, Emiel;
Valla, Marit.
(2017)
Artificial Intelligence in Studies of Malignant Tumours.
Biomarkers of the Tumor Microenvironment: Basic Studies and Practical Applications.
Faglig kapittel
Formidling
2020
-
Vitenskapelig foredragKlæstad, Elise; Valla, Marit; Bofin, Anna M.. (2020) ZNF703 copy number and protein expression in breast cancer. 32nd congress of the ESP and XXXIII International Congress of the IAP 2020 . European Society of Pathology/International Academy of Path; Glasgow - virtual congress. 2020-12-06 - 2020-12-08.
-
PosterSkjervold, Anette Hansen; Pettersen, Henrik Sahlin; Ytterhus, Borgny; Valla, Marit; Bofin, Anna M.. (2020) Cell counts in visual and digital assessment of Ki-67 in breast cancer. 32nd congress of the ESP and XXXIII International Congress of the IAP 2020 . European Society of Pathology/International Academy of Path; Glasgow - virtual congress. 2020-12-06 - 2020-12-08.
2019
-
Faglig foredragValla, Marit. (2019) Artificial intelligence in pathology. 4th Scandinavian Seminar on Translational Pathology . Centre for Cancer Biomarkers, UIB; Solstrand, Os. 2019-10-23 - 2019-10-24.
-
Faglig foredragValla, Marit. (2019) Har kunstig intelligens en plass i patologifaget?. Kurs i kliniks molekylærpatologi . Universitetet i Bergen; Bergen. 2019-11-04 - 2019-11-05.
-
Vitenskapelig foredragValla, Marit. (2019) Kunstig intelligens i brystkreftforskningen. Tema mamma Trondheim 2019 . Pierre Fabre Pharma Norden AB; Trondheim. 2019-11-01 - 2019-11-01.
2016
-
PosterOpdahl, Signe; Valla, Marit; Horn, Julie; Engstrøm, Monica J; Bofin, Anna M.; Vatten, Lars Johan. (2016) Menopausal hormone use and molecular breast cancer subtypes – a cohort study from Norway. The 3rd international molecular pathological epidemiology meeting (2016), Dana Farber Cancer Institute, Boston (MA), USA. The 3rd international molecular pathological epidemiology meeting . Dana Farber Cancer Institute; Boston (MA). 2016-05-12 - 2016-05-13.
-
Vitenskapelig foredragValla, Marit; Engstrøm, Monica J; Ytterhus, Borgny; Hansen, Åse Kristin Skain; Akslen, Lars A.; Vatten, Lars Johan; Opdahl, Signe; Bofin, Anna M.. (2016) FGD5 amplification in breast cancer patients is associated with tumour proliferation and a poorer prognosis. Annual Workshop on Breast Cancer . Oslo Breast Cancer Research Consortium; Kongsvold. 2016-09-13 - 2016-09-14.
-
PosterValla, Marit; Vatten, Lars Johan; Engstrøm, Monica J; Haugen, Olav Anton; Akslen, Lars A.; Bjørngaard, Johan Håkon; Hagen, Anne Irene; Ytterhus, Borgny; Bofin, Anna M.; Opdahl, Signe. (2016) Molecular subtypes of breast cancer: Long term incidence trends and prognostic differences. The third international molecular pathological epidemiology (MPE) meeting . Shuji Ogino, Brigham and Women's Hospital, Boston; Dana-Farber Cancer Institute, Boston. 2016-05-12 - 2016-05-13.
-
Vitenskapelig foredragValla, Marit; Vatten, Lars Johan; Engstrøm, Monica J; Haugen, Olav Anton; Akslen, Lars A.; Bjørngaard, Johan Håkon; Hagen, Anne Irene; Ytterhus, Borgny; Bofin, Anna M.; Opdahl, Signe. (2016) Molecular subtypes of breast cancer: long-term incidence trends and prognostic differences. Scandinavian Pathology Seminar, Sotra . CCBIO, UIB; Sotra. 2016-08-30 - 2016-08-31.
2015
-
PosterHagen, Bjørn; Valla, Marit; Tingulstad, Solveig; Ravlo, Merethe; Færø, Erik; Mathew, Seema; Abusland, Anne Britt; Aune, Guro. (2015) IDENTIFICATION OF SENTINEL LYMPH NODES WITH NEAR-INFRARED LIGHT (NRI) INDO-CYANINE GREEN (ICG) FLUORESCENCE DURING ROBOT-ASSISTED LAPAROSCOPIC OPERATION IN ENDOMETRIAL CANCER PATIENTS. 19th International Meeting of the European Society of Gynaecological Oncology . The European Society of Gynaecological Oncology; Nice. 2015-10-24 - 2015-10-29.
-
PosterValla, Marit; Engstrøm, Monica J; Bofin, Anna M.. (2015) Molecular Subtypes and prognosis in Two Cohorts of Norwegian Breast Cancer Patients. Dublin Pathology 2015 . International Academy og Pathology/Pathology Society of Grea; Doubletree by Hilton Hotel, Dublin, Ireland. 2015-06-23 - 2015-07-25.