The calcaneus is not a common site for a unicameral solitary bonecyst. Little is known about the etiology and natural history of these lesions. The author reports an adult man with a solitary bonecyst of the os calcis which was confirmed radiologically and histologically and successfully treated with curretage and bone grafting.
Skeletal bone
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Unicameral bone cyst
;
Cysts
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Small
;
seconds