, Volume 4, Issue 3, pp 154-156

Vertebral vacuum phenomenon

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Gas lucency within intervertebral disc spaces, the vertebral vacuum phenomenon (VVP) was visible radiographically in 12/42 (28%) women with adenocarcinoma of the breast metastatic to bone. In 7/12 (17%) the VVP occurred adjacent to vertebra involved with metastatic tumor and free of significant degenerative changes. Vertebral collapse occurred in all seven women, but was minimal in some when the VVP was prominent. Metastatic malignancy should be considered along with degenerative disease when the VVP is observed.