What morphologic criteria do you use to call prostate cancer N1 on imaging?

Assuming no advanced imaging is available, what lymph node morphologic criteria (ie. lack of fatty hilum, size, number of nodes, etc.) do you use to upgrade patients to N1 (clinical) for prostate cancer?

Answer from: Radiation Oncologist at Community Practice

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.Source: The diagnostic accuracy of CT and MRI in the...

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Radiation Oncologist at Anderson Regional Cancer Center
What are your thoughts on the scenario where post-...

Radiation Oncologist at VA New Jersey Healthcare System - East Orange campus.
GM. Great question. Clinic stuff! Enlarged post p...

Answer from: Radiation Oncologist at Community Practice

This is a very good literature review of the matter written here.

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What morphologic criteria do you use to call prostate cancer N1 on imaging?

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