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What time frame, number of PSAs, and calculator do you use for calculating PSA doubling times?
Given its importance in prognosis and therapy determination, how do you approach this scenario?
Answer from: Medical Oncologist at Community Practice
I typically use only values of 0.10 ng/mL or greater, and at least 3 separate PSA values that are at least 3 weeks apart from each other. The greater the number of PSA values, the more accurate the PSADT calculation will be. I like to use the MSKCC calculator: Prostate Cancer Nomograms: PSA Doubling...
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