Widespread inflammatory response to osteoblastoma: The flare phenomenon
- Author(s): Crim, JR
- Mirra, JM
- Eckardt, JJ
- Seeger, LL
- et al.
Published Web Locationhttps://doi.org/10.1148/radiology.177.3.2243998
A case of vertebral osteoblastoma caused a diffuse, reactive inflammatory infiltrate in two vertebrae, adjacent ribs, and the paraspinous soft tissues. The authors call this the flare phenomenon. On magnetic resonance images the diffuse inflammatory response caused a misleading appearance that simulated a malignant process (lymphoma or Ewing sarcoma). A computed tomographic myelogram was diagnostic.
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