Osteoid Osteoma

1. Shares a common presenting complaint with what process?

   1. Brodie’s Abscess

      1. The radiolucent nidus of Brodie’s is much larger (>1 or 2cm)

      2. Hole will be in the marrow

      3. The halo rim of sclerosis surrounding the nidus is much thicker and more irregular

2. Key clinical features.

   1. Pain at night relieved by aspirin

   2. A “blister” on the bone between the cortex and the periosteum. Might show up as a hole or nidus, which is lucent.

3. Key radiologic features.

   1. The nidus or hole is usually surrounded by sclerosis.

Category: Orthopedics Notes , Tumors Revision