Osteitis fibrosa cystica (Brown tumor)

• Cystic lesions within bone
• Excess osteoclastic resorption
• Cavities filled with fibrous tissue and osteoclasts, with necrosis and hemorrhagic liquefaction

Imaging

• Low-density, multiloculated cysts
• Any skeletal site
• Cause expansion of bones

Read more

Hong, Won Sun, et al. “Emphasis on the MR imaging findings of brown tumor: a report of five cases.” Skeletal radiology 40.2 (2011): 205-213.