Marit Valla
About
- Associate professor in pathology at IKOM, NTNU
- Consultant pathologist at St. Olavs Hospital, Trondheim University hospital
- Research: Artificial intelligence in breast cancer, molecular pathology in breast cancer, gynaecological pathology
- Supervision of PhD candidates and medical students
- Leader of the teaching unit Anatomy, Pathology and Forensic medicine
- Teaching histology and pathology
Qualifications and fields of interest
- Pathologist with special interest in breast and gynaecological pathology
- Use of artificial intelligence in pathology, molecular pathology
- Multidisciplinary work
- Member of the Research group and board member of the Norwegian Pathology Society
- Member of the Nordic Network of Gynecologic Pathologists
Publications
2022
- 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.
- 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).
- 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.
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.
- 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.
- 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.
- 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).
- 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).
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.
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.
- 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).
- 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.
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).
- 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).
- 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.
- 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).
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).
- 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).
- 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).
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).
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.
Journal publications
- 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.
- 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).
- 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.
- 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.
- 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.
- 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.
- 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).
- 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).
- 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.
- 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.
- 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).
- 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.
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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.
Part of book/report
- 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.