ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Melorheostosis of the shoulder. X-ray of 59-year-old patient's shoulder, showing damage (dense white, upper right) caused by melorheostosis. Melorheostosis is the abnormal development (dysplasia) of mesenchyma connective tissue that causes the bony cortex to widen and become hyperdense.
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