This case illustrates the radiological findings of an aneurysmal bone cyst with the typical MRI fluid-fluid levels and septations separating the cysts.

Aneurysmal bone cysts are benign giant cell-rich lesions of unknown cause and are sometimes difficult to distinguish from other bone tumors ^1-6. The diagnosis of this lesion is possible by a combination of typical radiological and pathological features ^1-6.

Case courtesy:

Isabela Oliveira, MD - PGY-3, radiology resident, Department of Radiology
Patrícia Menandro, MD – PGY-3, radiology resident, Department of Radiology
Antonio Rodrigues de Aguiar Neto, MD - radiologist, Department of Radiology
Hospital da Restauração – Recife, PE – Brazil