picture frame appearance

A descriptor for vertebral involvement by Paget’s disease of bone—an isolated vertebral body is enlarged, centrally osteoporotic, and surrounded by a rim of osteosclerotic cortex, which involves the anterior and posterior margins, and vertebral end-plates; despite increased radiologic density, bone is fracture-prone

picture frame appearance

A descriptor for vertebral involvement by Paget's disease of bone–an isolated vertebral body is enlarged, centrally osteoporotic, and surrounded by a rim of osteosclerotic cortex, which involves the anterior and posterior margins, and vertebral end-plates; despite ↑ radiologic density, bone is fracture-prone