Public defence of doctoral dissertation

MSc Jari Rautiainen will defend his doctoral dissertation titled
Novel magnetic resonance imaging techniques for articular cartilage and subchondral bone : studies on MRI Relaxometry and short echo time imaging
on March 20 starting at 12.00, in Auditorium MD100, Mediteknia Building of the University of Eastern Finland.
The opponent of the dissertation is Professor Bernard J. Dardzinski from University of Pennsylvania and the custodian is Professor Miika Nieminen from University of Oulu.

Seven abstracts accepted for the ISMRM annual meeting

Hanni M, Nissi MJ, Rautiainen J, Saarakkala S, Ellermann J, and Nieminen MT. Determination of correlation time in articular cartilage by T1rho relaxation dispersion. (oral)

Nissi MJ, Michaeli S, Mangia S, Auerbach E, Ellermann J, Lammentausta E, and Nieminen MT. Reduction of magic angle effect for quantitative MRI of articular cartilage in vivo. (poster)

Rautiainen J, Nissi MJ, Salo E-N, Kokkonen H, Michaeli S, Mangia S, Gröhn O, Töyräs J, and Nieminen MT. Response of Quantitative MRI to Artificial Collagen Cross-linking of articular Cartilage. (oral)

Peuna A, Hekkala J, Haapea M, Podlipska J, Nieminen MT, Saarakkala S, and Lammentausta E. Gray level co-occurrence matrix approach for T2 analysis of cartilage in knee osteoarthritis. (oral)

Casula V, Nissi MJ, Autio J, Michaeli S, Mangia S, Auerbach E, Ellermann J, Lammentausta E, and Nieminen MT. Optimization of adiabatic T1ρ and T2ρ for quantification of articular cartilage at 3T. (poster)

Casula V, Autio J, Nissi MJ, Lammentausta E, Michaeli S, Mangia S, Auerbach E, Ellermann J, and Nieminen MT. Validation of adiabatic T1ρ and T2ρ mapping of articular cartilage at 3T. (poster)

Räsänen LP, Zbyn S, Nieminen MT, Lammentausta E, Deligianni X, Bieri O, Trattnig S, Korhonen RK. Importance of Biexponential T2* and Partial Volume Effect Corrections on Quantification of Sodium Concentrations and Fixed Charge Density of Articular Cartilage with 23Na-MRI at 7T. (poster)

Research article published

Kallio-Pulkkinen S, Haapea M, Liukkonen E, Huumonen S, Tervonen O, Nieminen MT.
Comparison between DICOM-calibrated and uncalibrated consumer grade and 6-MP displays under different lighting conditions in panoramic radiography.
Dentomaxillofac Radiol. 2015; 44(5).

Four abstracts for the ORS 2015 annual meeting accepted

Hirvasniemi J, Adjei Y, Thevenot J, Määttä M, Pulkkinen P, Ojala R, Korpelainen R, Saarakkala S, Jämsä T. Femoral Geometry and BMD in Patients With Hip Osteoarthritis and Those With Hip Fracture During a Six-year Follow-up. (poster)

Karhula SS, Finnilä MA, Kauppinen S, Nieminen HJ and Saarakkala S. Effects of Articular Cartilage Constituents on Phosphotungstic Acid Enhanced Micro-CT Imaging. (poster)

Oinas, JMT; Finnila, MAJ; Rieppo, L; Kauppinen, S; Valkealahti, M; Lehenkari, P; Saarakkala, S. Fourier Transform Infrared (FTIR) Microspectroscopy of Human Articular Cartilage With Different Grades of Osteoarthritis. (poster)

Wajiha, B; Podlipská, J; Oinas, J; Karhula, S; Saarakkala, S. Effects of Soft Tissue on Ultrasound Characterization of Articular Cartilage Degeneration: Experimental Study With Clinical Ultrasound Device. (poster)

Two abstracts for the 2015 OARSI world congress accepted (1 oral, 1 poster)

Podlipská, J; Guermazi, A; Liukkonen, E; Lammentausta E; Niinimäki J; Nieminen MT; Tervonen, O; Koski, JM; Saarakkala, S. Diagnostic Performance of Semi-Quantitative Knee Ultrasonography – Comparison with Magnetic Resonance Imaging Osteoarthritis Knee Score (MOAKS): Data from the Oulu Osteoarthritis Study. (oral)

Hirvasniemi, J; Kokkonen H; Thevenot, J; Finnilä, M; Venäläinen, M; Jämsä, T; Korhonen, R; Töyräs, J; Saarakkala, S. Comparison of subchondral bone density and structure of tibia measured from plain radiograph with micro-computed tomography. (poster)

Research article published

Munukka M, Waller B, Multanen J, Rantalainen T, Häkkinen A, Nieminen MT, Lammentausta E, Kujala UM, Paloneva J, Kautiainen H, Kiviranta I, Heinonen A.
Relationship between lower limb neuromuscular performance and bone strength in postmenopausal women with mild knee osteoarthritis.
J Musculoskelet Neuronal Interact. 2014; 14(4):418-24.

Public defence of doctoral dissertation

MSc Anna-Leena Manninen will defend her doctoral dissertation titled
Clinical applications of radiophotoluminescence (RPL) dosimetry in evaluation of patient radiation exposure in radiology: determination of absorbed and effective dose
on November 28 starting at 12.00, in Auditorium 7 of Oulu University Hospital.
The opponent of the dissertation is Professor Sauli Savolainen from the University of Helsinki and the custodian is Professor Miika Nieminen.

Research article published

Rautiainen J, Nissi MJ, Liimatainen T, Herzog W, Korhonen RK, Nieminen MT.
Adiabatic rotating frame relaxation of MRI reveals early cartilage degeneration in a rabbit model of anterior cruciate ligament transection.
Osteoarthritis and Cartilage 2014:22:1444-1452

Jérôme Thevenot invited as a research collaborator as the ETH Zurich

Jérôme Thevenot, Ph.D., has been invited for a period of three weeks in the Institute for Biomechanics at the ETH Zurich (Switzerland). A travelling grant has been awarded for the whole stay.

Research article accepted for publication

Thevenot J, Chen J, Finnilä M, Nieminen M, Lehenkari P, Saarakkala S, Pietikäinen M.
Local Binary Patterns to Evaluate Trabecular Bone Structure from Micro-CT Data: Application to Studies of Human Osteoarthritis. Lecture Notes in Computer Science (2014).
Presented at the ECCV 2014 workshop in Zurich (oral presentation).