Aneurysmal Bone Cyst : Imaging - Case 1

Aneurysmal Bone Cyst (ABC) - Imaging: Bone scan demonstrates the "doughnut sign" of ABC : peripheral uptake with a photopenic center. Note the increased radionuclide uptake at the epiphyseal growth plates. Images 3-9 are from the same ABC. Case courtesy of Dr Alexandra Stanislavsky, Radiopaedia.org. From the case rID: 14333