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Ann Thorac Surg 1997;64:769
© 1997 The Society of Thoracic Surgeons

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Discussion

Discussion

The first 20% of the full text of this article appears below.

See also page 765.

DR WALTER J. SCOTT (Omaha, NE): Our group has had a lot of experience with lung cancer and positron emission tomographic (PET) scans. Do you perform transmission scans as well as emission scans when you do the abdominal studies?

DR LUKETICH: Are you talking about dynamic imaging?

DR SCOTT: No, I mean some type of an attenuation correction study.

DR LUKETICH: Yes, we do that.

DR SCOTT: So both the chest and abdomen had attenuation corrections?

DR LUKETICH: The dynamic images acquired over the chest were attenuation corrected, but the whole-body images were not.

DR SCOTT: Do you have any idea what the standardized uptake values of the lymph nodes were?

DR LUKETICH: The ones that were missed on PET scan but positive on biopsy?

DR SCOTT: Right.

DR LUKETICH: They tend to be close to 1, 1 to 1.5, or you do not see them at all. The problem with the standardized uptake value is that when there is not a subjective call, there is nothing to . . . [Full Text of this Article]

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