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Spontaneous, progessive and often total disappearance of bone has been reported under various names, such as massive osteolysis, vanishing bones, disappearing bones and Gorhamâ€™s disease. The first report of such a case came from Jackson in 1838. His was a case of boneless arm. Since then about seventy five cases have been reported in world literature. This report is of a case of massive osteolysis involving the right clavicle and part of the right scapula.