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Measurements of Blood Flow and Exchanging Water Space in Breast Tumors Using Positron Emission Tomography: A Rapid and Noninvasive Dynamic Method

Charles B. J. H. Wilson, Adriaan A. Lammertsma, Christopher G. McKenzie, Karol Sikora and Terry Jones
Charles B. J. H. Wilson
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Adriaan A. Lammertsma
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Christopher G. McKenzie
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Karol Sikora
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Terry Jones
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DOI:  Published March 1992
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Abstract

A noninvasive dynamic method for the measurement of blood flow, using 15O-labeled water and positron emission tomography, has been developed and used to study 20 patients with breast carcinoma. The mean tumor flow was 29.8 ± 17.0 (SE) ml/dl/min of tissue, while normal breast flow was 5.6 ± 1.4 ml/dl/min of tissue.

The exchanging water space of tissue known as the volume of distribution of the tracer (V4) was also derived. This is defined as the volume of water in tissue that exchanges with a unit volume of water in arterial blood during the period of the study (7 min). The mean tumor V4 was 0.56 ± 0.15 ml/ml while normal breast V4 was 0.14 ± 0.05 ml/ml. The low value in normal breast is partly due to the high fat content of the tissue. The mean flow per unit of exchangeable volume was similar in tumor (52.8 ± 22.0) and normal breast tissue (45.2 ± 20.0). This suggests that the major discrepancy seen in measured values of flow between breast tumors and normal breast principally reflects the different composition of the two tissues. This method is rapid and suited for studying the reactivity of human tumor vasculature, so extending studies are being performed on animal tumors.

Footnotes

  • ↵1 C. B. J. H. W. is an ICRF research fellow.

  • ↵2 To whom requests for reprints should be addressed, at Dept. of Radiotherapy, The Royal Marsden Hospital, Downs Road, Sutton, Surrey, United Kingdom.

  • Received April 17, 1991.
  • Accepted January 3, 1992.
  • ©1992 American Association for Cancer Research.
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March 1992
Volume 52, Issue 6
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Measurements of Blood Flow and Exchanging Water Space in Breast Tumors Using Positron Emission Tomography: A Rapid and Noninvasive Dynamic Method
Charles B. J. H. Wilson, Adriaan A. Lammertsma, Christopher G. McKenzie, Karol Sikora and Terry Jones
Cancer Res March 15 1992 (52) (6) 1592-1597;

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Measurements of Blood Flow and Exchanging Water Space in Breast Tumors Using Positron Emission Tomography: A Rapid and Noninvasive Dynamic Method
Charles B. J. H. Wilson, Adriaan A. Lammertsma, Christopher G. McKenzie, Karol Sikora and Terry Jones
Cancer Res March 15 1992 (52) (6) 1592-1597;
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