Chondroblastic osteosarcoma of the cuboid: a literature review and report of a rare case.

Unlabelled: Chondroblastic osteosarcoma accounts for about 25% of all cases of osteosarcoma, which is the most common primary malignancy of the skeleton. Currently, only a few cases of chondroblastic osteosarcoma have been reported to involve the bones of the foot. In this report, we describe the previously unreported occurrence of chondroblastic osteosarcoma involving the left tarsal cuboid in a 15-year-old male.