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University of Oklahoma College of Medicine at Tulsa, 5524 E 106th Pl, Tulsa, OK 74137-7089
(Email: jamesfleckenstein@cox.net).
| The first 20% of the full text of this article appears below. |
To the Editor:
I read with interest the article by Bryant and colleagues [1] in which the uptake of 18-F (fluorine) fluorodeoxyglucose (FDG) was measured in mediastinal nodes of lung cancer patients. However, I was confused by the reported median value for maximal standard uptake value (maxSUV) in benign nodes. The median was said to be 0, whereas the range was 0 to 18.8. It is unclear how a value of zero is obtained from the formula used by them.
The equation, maxSUV = C(microCi/mL)/[ID(microCi)/w(kg)], in which "C" is the activity at a pixel within the tissue defined
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Ann. Thorac. Surg. 2007 84: 1798.
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R. J. Cerfolio and A. S. Bryant Reply Ann. Thorac. Surg., November 1, 2007; 84(5): 1798 - 1798. [Full Text] [PDF] |
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