Aneurysmal Bone Cyst of the 2nd Metacarpal in Children : A Case Report

Aneurysmal bone cysts are benign, rare tumorthat mainly affects childrenand young adults. It a large lytic lesion that appear most often around metaphyseal bone, principally located in the long bones, pelvis, and spine and rarely in other anatomical district such as the hand.The lesions are locally aggressive with high recurrence rates, treated with radical excision and filling of the residual cavity with bone substitute. The patient has shown no signs of recurrence. However, the patient showed an excellent outcome with a satisfactory active range of motion and grip strength. Many treatment modalities have been reported in literature, However, controversy exists in the literature regarding optimal treatment, including radiation, curettage and bone grafting, cryotherapy, and excision. Due to its rarity in the hand, no evidence-based treatment regimen has been established.