Hand osteoarthritis 插畫檔

Finger osteoarthritis. Left: healthy joint. Middle: moderate osteoarthritis. The cartilage is worn, the cartilaginous debris causes inflammation of the joint. Right: erosive osteoarthritis. The cartilage has completely disappeared, there is disc pinching with bone erosion. The joint is very inflamed and swollen. Bone remodeling occurs: condensation of the bone (osteocondensation) in places and geodes (cavities) in the contiguous regions. Osteophytes (bony growths) appear causing a Heberden's node (cyst)