Research article published


Nissi MJ1, Lehto LJ, Corum CA, Idiyatullin D, Ellermann JM, Gröhn OH, Nieminen MT.
Measurement of T1 relaxation time of osteochondral specimens using VFA-SWIFT.
Magn. Reson. Med.(2014).







Research article published


Rautiainen J, Nissi MJ, Salo E-N, Tiitu V, Finnilä MAJ, Aho O-M, Saarakkala S, Lehenkari P, Ellermann J, Nieminen MT.
Multiparametric MRI assessment of human articular cartilage degeneration: Correlation with quantitative histology and mechanical properties.
Magn. Reson. Med.(2014).







Joonas Oinas selected as a new doctoral student to DIOS group


Joonas Oinas, M.Sc., has been selected as the new doctoral student to the DIOS group (Saarakkala group). There were 14 applicants to the recent open call.







Research article accepted for publication


Hirvasniemi J, Thevenot J, Immonen V, Liikavainio T, Pulkkinen P, Jämsä T, Arokoski J, Saarakkala S.
Quantification of differences in bone texture from plain radiographs in knees with and without osteoarthritis. Osteoarthritis and Cartilage 2014. DOI: 10.1016/j.joca.2014.06.021.







Master’s Thesis accepted


Joonas Oinas’s Master’s Thesis was accepted. Title: The cluster analysis of the infrared spectrums of cartilage tissue and comparison of the articular cartilage samples with different stages of osteoarthritis using univariate method. Supervisors: Mikko Finnilä and Matti Weckström.







ISMRM abstract awarded with Magna Cum Laude Merit Award


Rautiainen J, Salo E-N, Tiitu V, Finnilä MAJ, Aho O-M, Saarakkala S, Lehenkari P, Ellermann J, Nissi MJ, Nieminen MT. Assessment of Human Articular Cartilage Using Novel Quantitative MRI Relaxation Parameters with Correlation to Histology and Biomechanical Properties.







ISMRM Musculoskeletal MR study group invites to present an abstract


Rautiainen J, Salo E-N, Tiitu V, Finnilä MAJ, Aho O-M, Saarakkala S, Lehenkari P, Ellermann J, Nissi MJ, and Nieminen MT. Assessment of Human Articular Cartilage Using Novel Quantitative MRI Relaxation Parameters with Correlation to Histology and Biomechanical Properties. (e-poster presentation at ISMRM 2014 MSK MR study group meeting)







Five abstracts for the 2014 OARSI world congress accepted


Heikki J. Nieminen, Tuomo Ylitalo, Sami Kauppinen, Edward Hæggström, Mikko Finnilä, Simo Saarakkala.Spatial collagen quantification in articular cartilage with contrast-enhanced μCT. (poster)

Mikko Finnilä, Olli-Matti Aho, Virpi Tiitu, Jérôme Thevenot, Jari Rautiainen, Miika Nieminen, Maarit Valkealahti, Petri Lehenkari, Simo Saarakkala. Correlation of subchondral bone morphometry and OARSI grade in osteoarthritic human knee samples. (poster).

Jukka Hirvasniemi, Jérôme Thevenot, Ville Immonen, Tuomas Liikavainio, Pasi Pulkkinen, Timo Jämsä, Jari Arokoski, Simo Saarakkala. Quantification of Differences in Bone Texture from Plain Radiographs in Knees With and Without Osteoarthritis. (poster)

Jana Podlipská, Juhani Koski, Esa Liukkonen, Osmo Tervonen, Jari Arokoski, Simo Saarakkala. Non-Invasive Semi-Quantitative and Quantitative Ultrasonography Findings in Knee Osteoarthritis: Preliminary Study. (poster)

Jérôme Thevenot, Mikko Finnilä, Olli-Matti Aho, Virpi Tiitu, Jari Rautiainen, Miika Nieminen, Maarit Valkealahti, Petri Lehenkari, Simo Saarakkala. Evaluation of human subchondral bone structure using volumetric local binary patterns method. (poster)







Five abstracts were presented in the ORS 2014 annual meeting


Heikki J. Nieminen, Mikko A. Finnilä, Sami Kauppinen, Tuomo Ylitalo, Edward Hæggström, Simo Saarakkala. Determining Collagen Distribution in Articular Cartilage by X-ray Microcomputed Tomography. (oral presentation)

Mikko Finnilä, Olli-Matti Aho, Virpi Tiitu, Jari Rautiainen, Miika Nieminen, Maarit Valkealahti, Petri Lehenkari, Simo Saarakkala. Subchondral Bone Sclerosis Increases In Both Trabecular Bone And Subchondral Plate In Human Knee Osteoarthritis: Relationship With Histology. (poster).

Jukka Hirvasniemi, Jérôme Thevenot, Ville Immonen, Tuomas Liikavainio, Pasi Pulkkinen, Timo Jämsä, Jari Arokoski, Simo Saarakkala. Quantification of Differences in Bone Texture from Plain Radiographs in Knees With and Without Osteoarthritis. (poster)

Jana Podlipská, Juhani Koski, Esa Liukkonen, Osmo Tervonen, Jari Arokoski, Simo Saarakkala. Comparison of Non-invasive Ultrasonography Findings between Subjects With Knee Symptoms and Asymptomatic Controls: Focus on Cartilage and Bone Roughness. (poster)

Heikki J. Nieminen, Jussi-Petteri Suuronen, Ari Salmi, Krista Rahunen, Simo Saarakkala, Ritva Serimaa, Edward Hæggström. Feasibility of MHz High-Intensity Focused Ultrasound (HIFU) to Deliver Agents Locally into Articular Cartilage. (poster)







Research article published


Thevenot J, Hirvasniemi J, Pulkkinen P, Määttä M, Korpelainen R, Saarakkala S, Jämsä T.
Assessment of Risk of Femoral Neck Fracture with Radiographic Texture Parameters: A Retrospective Study. Radiology 2014 Jul;272(1):184-91.