ABSTRACT
[Objective] Aneurysmal bone cyst of the ealeaneus is an uncommon entity. The purpose of the report is to describe aneurysmal bone cyst of the ealcaneus seen in a child.[ Methods] The clinical, radiological and histopathologic findings of a boy with aneurysmal bone cyst of the calcaneus were retrospectively analyzed with reference to literature. [ Results ]The tumor mainly involved the right calcaneus. He was treated successfully after the curettage and bone grafting. Histopathological examination revealed an aneurysmal bone cyst of the right calcaneus. He is now disease-free for 2 years, and no sign of recurrence was found. [ Conclusion] Aneurysmal bone cyst of the calcaneus is an uncommon entiy. To simple aneurysmal bone cyst,curettage and bone grafting are effective therapic method.