Abstract #0580
Gray level co-occurrence matrix approach for T2 analysis of cartilage in knee osteoarthritis
Arttu Peuna 1 , Joonas Hekkala 2 , Marianne Haapea 3 , Jana Podlipska 1,2 , Miika T Nieminen 1,3 , Simo Saarakkala 2,3 , and Eveliina Lammentausta 1,3
1
Medical Research Center Oulu, Oulu
University Hospital and University of Oulu, Oulu,
Finland,
2
Department
of Medical Technology, University of Oulu, Oulu,
Finland,
3
Department
of Diagnostic Radiology, Oulu University Hospital, Oulu,
Finland
Gray level co-occurrence matrix texture analysis is an
effective way to analyze relaxation time maps.
Parameters such as entropy and contrast can be used to
depict the spatial structure of data. In this study,
texture parameters were calculated from T2 maps of
asymptomatic and osteoarthritic subjects using a
rotating reference orientation, based on the natural
curvature of the articular surface. Texture analysis
showed significant differences between groups even when
compartmental mean T2 values were unable to
differentiate the groups. GLCM analysis of T2 maps can
provide complementary information on early cartilage
changes in knee OA.
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