Vol. 6, Issue 4 (2020)

Abstract: Aneurysmal bone cysts (ABCs) are benign but locally destructive, blood filled reactive lesions of the bone. Although a wider age group may be affected, most commonly they are seen in patients younger than 20 years of age, with a slight female preponderance. Most common sites include metaphysis of femur followed by tibia and then humerus. Vertebral lesions involving the posterior elements are common. Aneurysmal bone cyst of proximal fibula is a rare and uncommon. Here, we report a case of 32 year old male with classic histologic, clinical, and radiographic findings that was treated by en bloc resection.