Case Report

Osteoblastoma and Osteoid Osteoma of the Mandible: Review of the Literature and Report of Two Cases

Table 1

Characteristics of osteoblastoma and osteoid osteoma as previously summarized [7, 8, 10] comparing to current cases.

SexChief complaintImaging featuresSize (cm)

Osteoblastoma [7, 8, 10]Mild to moderate pain. Less relief from aspirin (unlike osteoid osteoma).Mixed to radiopaque, variable. Surrounded by sclerotic bone. Expansile, erosive. Arises in medullary bone.≥1.5-2
Case #1MProgressively worsening pain and swelling. Pain managed by NSAID.Mostly radiopaque mass. Surrounded by sclerotic bone. Expansile, erosive. Arises in medullary bone.2.1
Osteoid osteoma [7, 8, 10]Moderate to severe pain. Progressive pain worsening at night and responds well to NSAIDs.Lucent or mixed nidus. Surrounded by sclerotic bone. Arises in cortical bone.<1.5-2
Case #2MProgressively worsening pain beginning 8 months post surgical extraction. Shooting pain worse at night and controlled with ibuprofen.Lucent nidus with patchy mineralization. Arises in lingual cortex.1