Aneurysmal Bone Cyst

-lesion consisting of a cystic cavity filled with blood.

1. Key clinical features?

   1. 75% 5-20 yoa

   2. Previous history of trauma. 80% occur in long bone (femur, tibia and spine)

2. Key radiological features

   1. Only benign bone tumor known to cross the epiphyseal plate

   2. Cortical ballooning or Blown-out appearance

   3. Periostel buttressing at the edge of the lesion is characteristic.

Category: Orthopedics Notes , Tumors Revision