Osteoid Osteoma in the Sacrum: A Case Report / 대한척추외과학회지

Osteoid osteomas occur most commonly in the lumbar spine. However, they rarely occur in the sacrum, and there is no report of such a case in Korea. We report a case of osteoid osteoma in the sacrum in a 15-year-old boy who was treated by a surgical excision with a satisfactory outcome. Although unusual, an osteoid osteoma should be considered when making a differential diagnosis of benign tumors in the sacral areas.

Osteochondroma of the Cervical Spine: A Case Report / 대한정형외과학회잡지

A solitary osteochondroma needs to be considered when making a differential diagnosis of an expansile posterior spinal lesion along with an aneurysmal bone cyst, osteoblastoma and giant cell tumor. An osteochondroma can be found in the cervical spine even though it is considered to be very rare. We report a case of an osteochondroma that was in the posterior element of the cervical spine. Although unusual, an osteochondroma should be considered when making a differential diagnosis of benign appearing tumors in the cervical spine.