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Sakari S. Karhula

university of oulu

13H-index
57Paper Count
580Citation Count
Published Papers 29
Publication Date
Improved brain tumor diagnostics and follow-up with novel magnetic resonance imaging methods: A single center study protocol
err2025-11-14
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PREAI
errLohela, Jesse; Lehtio, Kaisa; Inget, Kalle; Karhula, Sakari S.; Piironen, Susanna; Suutari, Angelica; Knuutinen, Antti; Jankala, Miro; Lammentausta, Eveliina; Bode, Michaela K.; Nikkinen, Juha; Salokorpi, Niina; Keinanen, Tuija
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Usability of Amorphous Manganese Oxide for Assessing the Proteoglycan Content in Articular Cartilage
err2025-11-01
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errOAAI
errKorpi, Riikka M.; Ahola, Susanna; Behrouz, Gamzegul; Lammentausta, Eveliina; Karhula, Sakari S.; Saarakkala, Simo; Rieppo, Lassi; Finnila, Mikko; Stapf, Siegfried; Rosenholm, Jessica; Sequieros, Roberto Blanco; Nieminen, Miika T.; Telkki, Ville-Veikko
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MONITORING ACUTE CHANGES IN BRAIN ACTIVITY IN RADIOTHERAPY PATIENTS USING FNIRS
err2025-10-01
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errOAAI
errMiettinen, H.; Inget, K.; Lohela, J.; Arffman, S.; Karhula, S.; Myllyla, T.; Nikkinen, J.; Korhonen, V
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The effect of contouring instruments on immediate quality and porosity of direct restorations
err2025-04-22
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errOAAI
errSoler-Tornero, Carlos; Toivonen, Pekka; Suorsa, Jaakko; Karhula, Sakari S.; Saarakkala, Simo; Anttonen, Vuokko; Leinonen, Jukka
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Immediate Irradiation Induced Cerebral Water and Hemodynamic Response in Whole Brain Radiotherapy
err2024-12-04
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errOAAI
errMiettinen, Heli; Lohela, Jesse; Moradi, Sadegh; Inget, Kalle; Nikkinen, Juha; Myllyla, Teemu; Karhula, Sakari S.; Korhonen, Vesa
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Clinical Super-Resolution Computed Tomography of Bone Microstructure: Application in Musculoskeletal and Dental Imaging
err2024-02-15
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errOAAI
errRytky, Santeri J. O.; Tiulpin, Aleksei; Finnila, Mikko A. J.; Karhula, Sakari S.; Sipola, Annina; Kurttila, Vaino; Valkealahti, Maarit; Lehenkari, Petri; Joukainen, Antti; Kroger, Heikki; Korhonen, Rami K.; Saarakkala, Simo; Niinimaki, Jaakko
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Cerebral tissue oxygenation response to brain irradiation measured during clinical radiotherapy
err2023-01-31
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errOAAI
errMyllylae, Teemu; Korhonen, Vesa; Karthikeyan, Priya; Honka, Ulriika; Lohela, Jesse; Inget, Kalle; Ferdinando, Hany; Karhula, Sakari S.; Nikkinen, Juha
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Automating three-dimensional osteoarthritis histopathological grading of human osteochondral tissue using machine learning on contrast-enhanced micro-computed tomography
err2020-08-01
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errOAAI
errRytky, S. J. O.; Tiulpin, A.; Frondelius, T.; Finnila, M. A. J.; Karhula, S. S.; Leino, J.; Pritzker, K. P. H.; Valkealahti, M.; Lehenkari, P.; Joukainen, A.; Kroger, H.; Nieminen, H. J.; Saarakkala, S.
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Raman microspectroscopic analysis of the tissue-specific composition of the human osteochondral junction in osteoarthritis: A pilot study
err2020-04-01
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errOAAI
errDas Gupta, Shuvashis; Finnila, Mikko A. J.; Karhula, Sakari S.; Kauppinen, Sami; Joukainen, Antti; Kroger, Heikki; Korhonen, Rami K.; Thambyah, Ashvin; Rieppo, Lassi; Saarakkala, Simo
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Quantifying Subresolution 3D Morphology of Bone with Clinical Computed Tomography
err2019-10-03
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errOAAI
errKarhula, S. S.; Finnila, M. A. J.; Rytky, S. J. O.; Cooper, D. M.; Thevenot, J.; Valkealahti, M.; Pritzker, K. P. H.; Haapea, M.; Joukainen, A.; Lehenkari, P.; Kroger, H.; Korhonen, R. K.; Nieminen, H. J.; Saarakkala, S.
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An Automatic Regularization Method: An Application for 3-D X-Ray Micro-CT Reconstruction Using Sparse Data
err2019-02-01
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errOAAI
errPurisha, Zenith; Karhula, Sakari S.; Ketola, Juuso H.; Rimpelainen, Juho; Nieminen, Miika T.; Saarakkala, Simo; Kroger, Heikki; Siltanen, Samuli
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3D morphometric analysis of calcified cartilage properties using micro-computed tomography
err2019-01-01
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errOAAI
errKauppinen, S.; Karhula, S. S.; Thevenot, J.; Ylitalo, T.; Rieppo, L.; Kestila, I.; Haapea, M.; Hadjab, I.; Finnila, M. A.; Quenneville, E.; Garon, M.; Gahunia, H. K.; Pritzker, K. P. H.; Buschmann, M. D.; Saarakkala, S.; Nieminen, H. J.
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Effect of centrifugal force on the development of articular neocartilage with bovine primary chondrocytes
err2018-10-23
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errOAAI
errPrittinen, J.; Ylarinne, J.; Piltti, J.; Karhula, S. S.; Rieppo, L.; Ojanen, S. P.; Korhonen, R. K.; Saarakkala, S.; Lammi, M. J.; Qu, C.
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Iterative and discrete reconstruction in the evaluation of the rabbit model of osteoarthritis
err2018-08-13
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errOAAI
errKetola, Juuso H.; Karhula, Sakari S.; Finnila, Mikko A. J.; Korhonen, Rami K.; Herzog, Walter; Siltanen, Samuli; Nieminen, Miika T.; Saarakkala, Simo
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In vitro method for 3D morphometry of human articular cartilage chondrons based on micro-computed tomography
err2018-08-01
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errOAAI
errKestila, I.; Thevenot, J.; Finnila, M. A.; Karhula, S. S.; Hadjab, I.; Kauppinen, S.; Garon, M.; Quenneville, E.; Haapea, M.; Rieppo, L.; Pritzker, K. P.; Buschmann, M. D.; Nieminen, H. J.; Saarakkala, S.
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3D ANALYSIS OF LOCAL GREY-LEVEL VARIANCE FROM MICRO-CT IMAGES IS ASSOCIATED WITH OSTEOCYTE CELLULARITY IN HUMAN OSTEOARTHRITIC SUBCHONDRAL BONE
err2018-04-01
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errOAAI
errKarhula, S. S.; Finnila, M. A.; Cooper, D. M.; Miller, D.; Valkealahti, M.; Joukainen, A.; Lehenkari, P.; Kroger, H.; Korhonen, R. K.; Nieminen, H. J.; Saarakkala, S.
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3D OSTEOCYTE MORPHOLOGY AND VOLUME OF CHONDROCYTE CLUSTERS ARE MODULATED WITH OSTEOARTHRITIS SEVERITY
err2018-04-01
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errOAAI
errFinnila, M. A.; Karhula, S. S.; Cooper, D. M.; Valkealahti, M.; Joukainen, A. A.; Miller, D.; Nieminen, H.; Kroger, H.; Korhonen, R. K.; Lehenkari, P. P.; Saarakkala, S.
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Electromechanical properties of human osteoarthritic and asymptomatic articular cartilage are sensitive and early detectors of degeneration
err2018-03-01
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errOAAI
errHadjab, I.; Sim, S.; Karhula, S. S.; Kauppinen, S.; Garon, M.; Quenneville, E.; Lavigne, P.; Lehenkari, P. P.; Saarakkala, S.; Buschmann, M. D.
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3D histopathological grading of osteochondral tissue using contrast-enhanced micro-computed tomography
err2017-10-01
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errOAAI
errNieminen, H. J.; Gahunia, H. K.; Pritzker, K. P. H.; Ylitalo, T.; Rieppo, L.; Karhula, S. S.; Lehenkari, P.; Haeggstorm, E.; Saarakkala, S.
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AUTOMATIC 3D SELECTION, SEGMENTATION, AND ANALYSIS OF HUMAN ARTICULAR CARTILAGE CHONDRONS FROM MICRO-COMPUTED TOMOGRAPHY IN VITRO
err2017-04-01
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errOAAI
errKestila, I.; Thevenot, J. P.; Finnila, M. A.; Karhula, S. S.; Hadjab, I.; Kauppinen, S.; Garon, M.; Quenneville, E.; Rieppo, L.; Pritzker, K. P.; Buschmann, M. D.; Nieminen, H. J.; Saarakkala, S.
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