BSIP VEM / SCIENCE PHOTO LIBRARY BSIP VEM / SCIENCE PHOTO LIBRARY
Osteoarthritis. Coloured X-ray of the hand of a patient suffering from osteoarthritis. The bones of the knuckles of the fingers (at centre) and the wrist (at bottom) are damaged near the joints, and there is also a decrease in the spaces between the joints. Bony outgrowths (osteophytes) are seen in the thumb, and at the base of the thumb. In osteoarthritis there is degeneration of the cartilage that lines the joints, and formation of bony outgrowths. Osteoarthritis is a common joint disease that is aggravated by joint overuse. It occurs most commonly in the elderly. It causes pain, swelling, stiffness, typically of the hips, knees and spine, and affects more women than men.
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