Common causes of veebra plana

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