Blar i NTNU Open på forfatter "Johannessen, Tom Børge"
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Children treated for medulloblastoma and supratentorial primitive neuroectodermal tumor in Norway from 1974 through 2013: Unexplainable regional differences in survival
Stensvold, Einar; Myklebust, Tor Åge; Cappelen, Johan; Due-Tønnessen, Bernt Johan; Due-Tønnessen, Paulina; Kepka, Aleksandra; Johannessen, Tom Børge; Krossnes, Bård Kronen; Lundar, Tryggve; Maric, Snezana; Miletic, Hrvoje; Moholdt, Viggo; Myrmel, Kristin Smistad; Nordberg, Terje; Rydland, Jana; Stokland, Tore; Solem, Kristin; Solheim, Ole; Torsvik, Ingrid Kristin; Wikran, Gry Charlotte; Zeller, Bernward; Wesenberg, Finn; Bechensteen, Anne Grete; Brandal, Petter (Peer reviewed; Journal article, 2019)Background: A previous study based on Norwegian Cancer Registry data suggested regional differences in overall survival (OS) after treatment for medulloblastoma (MB) and supratentorial primitive neuroectodermal tumor ... -
Chondrosarcoma in Norway 1990-2013; an epidemiological and prognostic observational study of a complete national cohort
Thorkildsen, Joachim; Taksdal, Ingeborg; Bjerkehagen, Bodil; Haugland, Hans Kristian; Johannessen, Tom Børge; Viset, Trond; Norum, Ole-Jacob Anderssen; Bruland, Øyvind; Zaikova, Olga (Peer reviewed; Journal article, 2019)Background: Knowledge of chondrosarcoma (CS) of bone to date is based on institutional reports and registry publications with limits in reporting, detail and quality of data. Method: We have performed a retrospective ... -
Impact of prebiopsy MRI on prostate cancer staging: Results from the Norwegian Prostate Cancer Registry
Haug, Erik Skaaheim; Myklebust, Tor Åge; Juliebø-Jones, Patrick; Reisæter, Lars Anders Rokne; Aas, Kirsti; Berg, Arne Stenrud; Muller, Christoph Rainer; Hofmann, Bjørn Morten; Størkersen, Øystein; Nilsen, Kim L.; Johannessen, Tom Børge; Beisland, Christian (Peer reviewed; Journal article, 2023)The aim of this study is to evaluate the 2015 introduction of prebiopsy magnetic resonance imaging of the prostate (MRI-P) as the standard of care for diagnosing prostate cancer (PCa) by the Norwegian public health care ... -
Incidence and survival of multiple myeloma: a population-based study of 10 524 patients diagnosed 1982–2017
Langseth, Øystein Olstad; Myklebust, Tor Åge; Johannessen, Tom Børge; Hjertner, Øyvind; Waage, Anders (Peer reviewed; Journal article, 2020)Population‐based studies from high‐quality nationwide cancer registries provide an important alternative to clinical trials in the assessment of the impact of modern myeloma treatment. Based on data from the Cancer Registry ... -
Patterns of previous and secondary malignancies in patients with multiple myeloma
Langseth, Øystein Olstad; Myklebust, Tor Åge; Johannessen, Tom Børge; Hjertner, Øyvind; Waage, Anders (Peer reviewed; Journal article, 2021)Objectives: In contrast to secondary primary malignancies (SPM) following multiple myeloma (MM), less is known about previous malignancies. We therefore conducted a population-based study to assess the patterns of previous ... -
Risk of multiple myeloma and other malignancies among first- and second-degree relatives of patients with multiple myeloma: A population-based study
Langseth, Øystein Olstad; Myklebust, Tor Åge; Johannessen, Tom Børge; Hjertner, Øyvind; Waage, Anders (Peer reviewed; Journal article, 2022)Objectives We conducted a population-based study to assess the risk for multiple myeloma (MM) and other cancers in first- and second-degree relatives of MM patients, and to investigate whether evidence of anticipation is ... -
Stable glioma incidence and increased patient survival over the past two decades in Norway: a nationwide registry-based cohort study
Skaga, Erlend; Trewin-Nybråten, Cassia Bree; Niehusmann, Pitt; Johannessen, Tom Børge; Marienhagen, Kirsten; Oltedal, Leif; Schipmann, Stephanie; Skjulsvik, Anne Jarstein; Solheim, Ole Skeidsvoll; Solheim, Tora S; Sundstrøm, Terje; Vik-Mo, Einar Osland; Brandal, Petter; Ingebrigtsen, Tor (Journal article; Peer reviewed, 2024)Background: Surveillance of incidence and survival of central nervous system tumors is essential to monitor disease burden and epidemiological changes, and to allocate health care resources. Here, we describe glioma incidence ...