Osteoid Osteoma Flashcards
1
Q
What benign bone lesion presents with night pain that is relieved with NSAIDs?
A
Osteoid osteoma
Can also have worse pain with EtOH use
2
Q
In a spine osteoid osteoma that induces muscle spasm causing scoliosis, where is the lesion located?
A
On the concave side at the apex of the curve
3
Q
What imaging characteristics are represented in osteoid osteoma?
A
1) distinct demarcation between nidus and reactive bone
2) Nidus is <1.5cm
3) always hot on bone scan
4
Q
What is the most common location for osteoid osteoma?
A
Diaphysis and metaphysis of long bones; proximal femur> tibial diaphysis> posterior spine
5
Q
What is the treatment for osteoid osteoma?
A
NSAIDs is first line
Can treat with RF ablation
6
Q
What is the epidemiology of osteoid osteoma?
A
M:F; 2:1
age 5-30y
