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Whole-Body Imaging for Cancer Staging—Reply
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In Reply: We agree with Dr Osman that the brain is an important site of potential metastatic spread. The head was part of the imaging field of view in all patients, and data analysis included assessment of the brain and skull. Thus, metastases to the brain and skull contributed to the assessment of the M-stage by the 2 imaging procedures. While bone metastases (including metastases to the skull) were evaluated separately in addition to the overall M-stage, the number of patients with metastases to the brain was too small for separate data analysis.
We also agree that the current use of the term whole body is somewhat misleading, as in most instances it refers to an imaging field of view covering the region from head to upper thighs, thus not including the lower extremities completely. Technically, inclusion of the lower extremities can easily be implemented in the scan protocols at . . . [Full Text of this Article]
Gerald Antoch, MD;
Stefan G. Ruehm, MD
Department of Diagnostic and Interventional Radiology
University Hospital Essen
Essen, Germany
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