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Metacarpal Aneurysmal Bone Cyst En Bloc Resection Reconstructed With Osteoarticular Allograft
Aneurysmal bone cysts are large lytic lesions that appear most often around metaphyseal bone. The lesions are locally aggressive with high recurrence rates. Therefore, wide resection is commonly necessary, leading to challenging reconstruction of the defect, especially when the articular surface is involved. We present a case of an aneurysmal bone cyst of the fourth metacarpal, treated with an en bloc resection and reconstruction with a metacarpal osteoarticular allograft. At 8 years after surgery, the patient has shown no signs of recurrence, but radiographic articular reabsorption was noted.
