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Clinical Problem Solving: Radiology
December 2005

Radiology Quiz Case 1: Diagnosis

Author Affiliations


Arch Otolaryngol Head Neck Surg. 2005;131(12):1118. doi:10.1001/archotol.131.12.1118

Benign osteoblastoma, a rare benign tumor of the bone, was first described by Virchow1 in 1863. Osteoblastomas account for fewer than 1% of all bone tumors and 3% of all benign bone tumors.2 They usually occur in the vertebrae and in long tubular bones.3 The skull is involved in fewer than 15% of cases.4 The male-female ratio is 2:1, and most cases occur in the second decade of life.5

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