Radionuclide bone scanning of osteosarcoma: falsely extended uptake patterns.

  title={Radionuclide bone scanning of osteosarcoma: falsely extended uptake patterns.},
  author={Felix S K Chew and Terry M. Hudson},
  journal={AJR. American journal of roentgenology},
  volume={139 1},
The pathologic specimens of 18 osteosarcomas of long bones were examined to correlate histologic abnormalities with abnormalities seen on preoperative 99mTc pyrophosphate or methylene diphosphonate bone scans. Seven scans accurately represented the extent of the tumor. Eleven scans disclosed increased activity extending beyond the radiographic abnormalities. In eight of these, there was no occult tumor extension and in the other three, the scan activity did not accurately portray the skip… CONTINUE READING
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