Nonosteogenic fibroma is a relatively common benign tumor that occurs almost exclusively in a long bone. The majority of tumors are found incidentally, when the limb of a young person is roentgenographed for an unrelated problem, usually trauma. Most are easily recognized by their characteristic roentgenographic appearance.
The occurrence of this tumor in the clavicle must be exceedingly rare, for this is, to my knowledge, the first case of a nonos-teogenic fibroma in this bone recorded in the United States. Because of its atypical appearance, biopsy was required to confirm the diagnosis. Successful treatment was accomplished by thorough curettage and packing with bone chips.
Gardiner GA. Clavicular Nonosteogenic Fibroma: An Old Tumor in a New Location. Am J Dis Child. 1974;127(5):734–735. doi:10.1001/archpedi.1974.02110240120019
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