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Abstract #1381

Grey-Level Co-Occurrence Matrix Texture Analysis of T2, Adiabatic T1ρ, Adiabatic T2ρ and Dual-Echo Steady-State Magnetic Resonance Imaging Contrasts in Osteoarthritic Knee Articular Cartilage

Ines Barros1,2, Arttu Peuna2, Victor Casula1,3, Marianne Haapea1,2, Eveliina Lammentausta2, and Miika T. Nieminen1,2,3

1Research Unit of Medical Imaging, Physics and Technology, University of Oulu, Oulu, Finland, 2Department of Diagnostic Radiology, Oulu University Hospital, Oulu, Finland, 3Medical Research Center, University of Oulu and Oulu University Hospital, Oulu, Finland

Grey-level co-occurrence matrix (GLCM) based texture analysis is a sensitive image processing tool for the evaluation of cartilage in knee osteoarthritis (OA). Texture analysis of T2, Adiabatic T (AdT), Adiabatic T (AdT) relaxation time maps as well as Dual-Echo Steady-State (DESS) images showed the ability to distinguish OA patients and asymptomatic volunteers. Moreover, texture analysis turned out to be more sensitive to cartilage degeneration than mean relaxation time values. Texture analysis can therefore supplement existing quantitative MRI techniques of articular cartilage.

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