Vertebra plana seen in -a) Eosinophilia granulomab) Traumac) Paget's diseased) Malignancye) Ewing's sarcoma

Vertebra plana This term is used to describe uniform collapse of a vertebral body into a thin, flat disc. The most common cause is eosinophilic granuloma, with the thoracic vertebrae most frequently affected. Causes are :- Histocytosis - X (Eosinophilic granuloma) Leukemia TB Metastasis, Multiple myeloma, Ewing's sarcoma, lymphoma Osteochondritis of vertebral body (Calve's disease) Hemangioma Trauma Steroids