ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Osteonecrosis in diabetes. X-ray of a section through the left foot of a 62-year-old diabetic patient, showing osteonecrosis of the tip of the big toe (upper right) caused by arteritis. Osteonecrosis is tissue death (necrosis) of bone caused by an interruption to the blood supply. Here, it resulted from inflammation of the arteries (arteritis).
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