Nomograms for everyone

June 19, 2008 Nomograms for everyone Greg Freiherr -------------------------------------------------------------------------------- The University of Texas Southwestern Medical Center has come up with a mathematical modeling system that can predict the probability of a patient with renal cancer being cancer-free 12 years after initial surgical treatment. This nomogram considers sex, the presence or absence of symptoms, radiological data, and the size of the mass. For example, an asymptomatic woman with a 3-cm renal mass has a 96% chance of being free of cancer 12 years after surgery alone. A man the same age, however, who complains of flank pain and is diagnosed with a 4-cm mass and enlarged lymph nodes has less than a 40% chance.

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