© 1999 by Oxford University Press
Journal of the National Cancer Institute, Vol. 91, No. 6, 494-495,
March 17, 1999
© 1999 Oxford University Press
EDITORIALS |
Measure Once or TwiceDoes It Really Matter?
Affiliation of authors: University of Texas Health Science Center at San Antonio and the Institute for Drug Development, San Antonio.
Correspondence to: Daniel D. Von Hoff, M.D., Institute for Drug Development, 14960 Omicron, San Antonio, TX 78245.
There is an old carpenter's dictum that one should measure twice (and cut once). Supposedly, this leads to fewer irreversible errorswith wood. The question is, do we have to measure a tumor twice in the practice of medical oncology?
In an article in this issue of the Journal, James et al. (1) conclude that a one-dimensional measurement of tumor maximum diameter (rather than a two-dimensional measurement) may be sufficient to assess the change in solid tumors following treatment. The authors are to be congratulated for taking a new look at the "conventional wisdom" of the way we measure tumors. The question one must ask is, are there any reasons for the general practice of oncology to adopt unidimensional measurement of tumors?
It is true, as pointed out
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