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Start Over Author "A. Hirvasniemi" Journal european radiology
3 results on '"A. Hirvasniemi"'

3. Differences in tibial subchondral bone structure evaluated using plain radiographs between knees with and without cartilage damage or bone marrow lesions - the Oulu Knee Osteoarthritis study

Author

Simo Saarakkala, Jérôme Thevenot, Miika T. Nieminen, Jana Podlipská, Ali Guermazi, Frank W. Roemer, and Jukka Hirvasniemi

Subjects
Adult, Cartilage, Articular, Male, musculoskeletal diseases, medicine.medical_specialty, Knee Joint, Entropy, Radiography, Osteoarthritis, Structural Analysis, 030218 nuclear medicine & medical imaging, 03 medical and health sciences, 0302 clinical medicine, Bone Marrow, medicine, Humans, Knee, Radiology, Nuclear Medicine and imaging, Tibia, Bone, Aged, 030203 arthritis & rheumatology, Orthodontics, medicine.diagnostic_test, business.industry, Magnetic resonance imaging, General Medicine, Middle Aged, Osteoarthritis, Knee, Articular cartilage damage, musculoskeletal system, medicine.disease, Magnetic Resonance Imaging, Cross-Sectional Studies, Fractals, medicine.anatomical_structure, Musculoskeletal, Eburnation, Cancellous Bone, Female, Radiology, business, Cancellous bone
Abstract

Objectives To investigate whether subchondral bone structure from plain radiographs is different between subjects with and without articular cartilage damage or bone marrow lesions (BMLs). Methods Radiography-based bone structure was assessed from 80 subjects with different stages of knee osteoarthritis using entropy of Laplacian-based image (ELap) and local binary patterns (ELBP), homogeneity index of local angles (HIAngles,mean), and horizontal (FDHor) and vertical fractal dimensions (FDVer). Medial tibial articular cartilage damage and BMLs were scored using the magnetic resonance imaging osteoarthritis knee score. Level of statistical significance was set to p

Published
2017
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