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Jon Þórir Oskarsson
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Journal Articles

Approaching Hypercalcemia in Monoclonal Gammopathy of Undetermined Significance: Insights from the iStopMM study

Ástrún Helga Jónsdóttir, Helga Ágústa Sigurjónsdóttir, Prof., Sigrun Thorsteinsdottir, Thorir Einarsson Long, Ingigerður Sólveig Sverrisdóttir, Elias Eythorsson, Jon Thorir Oskarsson, Runólfur Pálsson, Olafur Skuli Indridason, Bryjnar Vidarsson, Pall T Onundarson, Isleifur Olafsson, Ingunn Þorsteinsdóttir, Bjarni A Agnarsson, Margret Sigurdardottir, Asbjorn Jonsson, Malin L. Hultcrantz, Brian G.M. Durie, Stephen Harding, Carl Ola Landgren, Thorvardur Jon Love, Sigurdur Yngvi Kristinsson, Sæmundur Rögnvaldsson
Journal: Blood
Blood blood.2024025624.
https://doi.org/10.1182/blood.2024025624
Published: 2024
Includes: Supplemental data
Journal Articles

Differential Detection of Clonal Bone Marrow Plasma Cells in IgA Vs. IgG Monoclonal Gammopathy of Undetermined Significance and Its Association with Disease Progression

Jon Thorir Oskarsson, Sæmundur Rögnvaldsson, Sigrun Thorsteinsdottir, Andri Olafsson, Elias Eythorsson, Asbjorn Jonsson, Brynjar Vidarsson, Pall T. Onundarson, Bjarni Agnarsson, Margret Sigurdardottir, Ingunn Thorsteinsdottir, Isleifur Olafsson, Stephen J. Harding, Brian G.M. Durie, Thorvardur Jon Love, Sigurdur Y Kristinsson
Journal: Blood
Blood (2024) 144 (Supplement 1): 1015.
https://doi.org/10.1182/blood-2024-200422
Published: 2024
Journal Articles

Predicting an Underlying Clonal Plasma Cell Population in Light-Chain Monoclonal Gammopathy of Undetermined Significance Using Free Light-Chain Ratio

Jon Thorir Oskarsson, Sæmundur Rögnvaldsson, Sigrun Thorsteinsdottir, Thorir E. Long, Gudrun Asta Sigurdardottir, Asdis Rosa Thordardottir, Gauti Gislason, Andri Olafsson, Jon Kristinn Sigurdsson, Elias Eythorsson, Asbjorn Jonsson, Brynjar Vidarsson, Pall T. Onundarson, Bjarni Agnarsson, Robert Palmason, Margret Sigurdardottir, Ingunn Thorsteinsdottir, Isleifur Olafsson, Stephen J. Harding, Brian GM Durie, Thorvardur Jon Love, Sigurdur Y. Kristinsson
Journal: Blood
Blood (2023) 142 (Supplement 1): 530.
https://doi.org/10.1182/blood-2023-182661
Published: 2023
Journal Articles

Risk Factors of Smoldering Multiple Myeloma: Results from the Screened Istopmm Study

Sigrun Thorsteinsdottir, Ingigerdur Sverrisdottir, Sæmundur Rögnvaldsson, Sara Ekberg, Malin Hultcrantz, Brynjar Vidarsson, Pall T. Onundarson, Bjarni Agnarsson, Margret Sigurdardottir, Ingunn Thorsteinsdottir, Isleifur Olafsson, Asdis Rosa Thordardottir, Jon Thorir Oskarsson, Gudrun Asta Sigurdardottir, Elias Eythorsson, Asbjorn Jonsson, Gauti Gislason, Andri Olafsson, Jon Kristinn Sigurdsson, Thorir Einarsson Long, Brian GM Durie, Stephen J. Harding, Ola Landgren, Thorvardur Jon Love, Sigurdur Y. Kristinsson
Journal: Blood
Blood (2023) 142 (Supplement 1): 3397.
https://doi.org/10.1182/blood-2023-188469
Published: 2023
Journal Articles

Transient M-Proteins: Epidemiology, Causes, and the Impact of Mass Spectrometry: The Istopmm Study

Robert Palmason, Oscar Berlanga, Jon Kristinn Sigurdsson, Sæmundur Rögnvaldsson, Sigrun Thorsteinsdottir, Sara Ekberg, Michael Crowther, Marina Levy, Elin Ruth Reed, Jon Þórir Oskarsson, Gudrun Asta Sigurdardottir, Brynjar Vidarsson, Pall Torfi Onundarson, Bjarni Agnar Agnarsson, Margret Sigurdardottir, Ingunn Thorsteinsdottir, Signy Vala Sveinsdottir, Fridbjorn Sigurdsson, Isleifur Olafsson, Asdis Rosa Thordardottir, Elias Eythorsson, Asbjorn Jonsson, Runolfur Palsson, Olafur Skuli Indridason, Thor Aspelund, Gauti Gislason, Andri Olafsson, Ingigerdur Solveig Sverrisdottir, Hlif Steingrimsdottir, Thorir Einarsson Long, Malin Hultcrantz, Ola Landgren, Stephen Harding, Brian G.M. Durie, Thorvardur Jon Love, Sigurdur Y Kristinsson
Journal: Blood
Blood (2022) 140 (Supplement 1): 2338–2340.
https://doi.org/10.1182/blood-2022-164758
Published: 2022
Journal Articles

Sars-Cov-2 Vaccinations Do Not Lead to Progression of Monoclonal Gammopathy of Undetermined Significance: Results from the Population-Based Istopmm Screening Study

Robert Palmason, Elias Eythorsson, Sæmundur Rögnvaldsson, Sigrun Thorsteinsdottir, Sara Ekberg, Michael Crowther, Elin Ruth Reed, Jon Þórir Oskarsson, Gudrun Asta Sigurdardottir, Thor Aspelund, Brynjar Vidarsson, Pall Torfi Onundarson, Bjarni Agnar Agnarsson, Margret Sigurdardottir, Ingunn Thorsteinsdottir, Signy Vala Sveinsdottir, Isleifur Olafsson, Asdis Rosa Thordardottir, Asbjorn Jonsson, Olafur Skuli Indridason, Gauti Gislason, Andri Olafsson, Jon Kristinn Sigurdsson, Hlif Steingrimsdottir, Thorir Einarsson Long, Malin Hultcrantz, Brian G.M. Durie, Stephen Harding, Ola Landgren, Runolfur Palsson, Thorvardur Jon Love, Sigurdur Y Kristinsson
Journal: Blood
Blood (2022) 140 (Supplement 1): 261–263.
https://doi.org/10.1182/blood-2022-157138
Published: 2022
Journal Articles

Circulating Tumor Plasma Cells in the Screened Istopmm Smoldering Multiple Myeloma Cohort

Sigrún Thorsteinsdóttir, Jon Þórir Oskarsson, Sæmundur Rögnvaldsson, Gauti Gíslason, Thor Aspelund, Gudrún Ásta Sigurdardóttir, Ásdis Rósa Thórdardottir, Brynjar Vidarsson, Páll Torfi Onundarson, Bjarni Agnar Agnarsson, Margrét Sigurdardóttir, Ingunn Thorsteinsdóttir, Ísleifur Ólafsson, Elias Eythorsson, Ásbjorn Jónsson, Malin Hultcrantz, Ola Landgren, Stephen Harding, Brian G.M. Durie, Thorvardur Jon Love, Sigurdur Y Kristinsson
Journal: Blood
Blood (2022) 140 (Supplement 1): 9923–9924.
https://doi.org/10.1182/blood-2022-168690
Published: 2022
Journal Articles

Monoclonal Gammopathy of Undetermined Significance (MGUS) with Multiple Paraproteins: Results from the Population-Based Istopmm Screening Study

Sæmundur Rögnvaldsson, Jon Þórir Oskarsson, Sigrun Thorsteinsdottir, Elin Ruth Reed, Gudrun Asta Sigurdardottir, Brynjar Vidarsson, Pall Torfi Onundarson, Margret Sigurdardottir, Bjarni Agnar Agnarsson, Isleifur Olafsson, Ingunn Thorsteinsdottir, Signy Vala Sveinsdottir, Robert Palmason, Fridbjorn Sigurdsson, Asdis Rosa Thordardottir, Elias Eythorsson, Asbjorn Jonsson, Runolfur Palsson, Olafur Skuli Indridason, Thor Aspelund, Gauti Gislason, Andri Olafsson, Jon Kristinn Sigurdsson, Ingigerdur S Sverrisdottir, Gudlaug Katrin Hakonardottir, Thorir Einarsson Long, Ragnar Danielsen, Malin Hultcrantz, Brian G.M. Durie, Stephen Harding, Ola Landgren, Thorvardur Jon Love, Sigurdur Y Kristinsson
Journal: Blood
Blood (2022) 140 (Supplement 1): 10024–10026.
https://doi.org/10.1182/blood-2022-168070
Published: 2022
Journal Articles

Determining Hemodilution in Diagnostic Bone Marrow Samples in Multiple Myeloma and Its Precursors By Next-Generation Flow Cytometry: Data from the Iceland Screens, Treats, or Prevents Multiple Myeloma (iStopMM) Study

Jón Þórir Óskarsson, Sæmundur Rögnvaldsson, Sigrún Thorsteinsdóttir, Hrafnhildur Una þórðardóttir, Gudlaug Katrin Hakonardottir, Steinar Bragi Gunnarsson, Gudrún Ásta Sigurdardóttir, Ásdis Rósa Thórdardottir, Gauti Gíslason, Andri Olafsson, Jon Kristinn Sigurdsson, Brynjar Vidarsson, Páll Torfi Onundarson, Bjarni Agnar Agnarsson, Robert Palmason, Margrét Sigurdardóttir, Ingunn Thorsteinsdóttir, Ísleifur Ólafsson, Juan Flores-Montero, Alberto Orfao, Brian G.M. Durie, Thorvardur Jon Love, Sigurdur Y Kristinsson
Journal: Blood
Blood (2022) 140 (Supplement 1): 7166–7167.
https://doi.org/10.1182/blood-2022-168741
Published: 2022
Journal Articles

Monitoring of Circulating Tumor Plasma Cells in Patients with Precursor Conditions of Multiple Myeloma: Data from the Prospective Iceland Screens, Treats, or Prevents Multiple Myeloma (iStopMM) Study

Jón Þórir Óskarsson, Iris Petursdottir, Sæmundur Rögnvaldsson, Sigrun Thorsteinsdottir, Gudrun Asta Sigurdardottir, Asdis Rosa Thordardottir, Gauti Kjartan Gislason, Andri Olafsson, Brynjar Vidarsson, Pall Torfi Onundarson, Bjarni Agnar Agnarsson, Robert Palmason, Margret Sigurdardottir, Ingunn Thorsteinsdottir, Isleifur Olafsson, Brian G.M. Durie, Thorvardur Jon Love, Sigurdur Y Kristinsson
Journal: Blood
Blood (2021) 138 (Supplement 1): 2645.
https://doi.org/10.1182/blood-2021-146363
Published: 2021