What morphologic criteria do you use to call prostate cancer N1 on imaging?
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2 Answers
Mednet Member
Radiation Oncology · VA New Jersey Healthcare System - East Orange campus.
Good question. By old CT standards from the 90s that include not only prostate but NSCLC as well, the criteria for positive LNs was a short axis LN diameter of 1cm or greater. Some have used CT with MRI imaging and lowered to as low as 5-7 mm, too.