Objective: To determine the validity of patient selfreport of skin cancer history. Design: A cohort of patients was randomly selected from the case group in a prior case-control study involving skin cancer, and a second cohort was randomly selected from the controls of that study. Patient self-reported history (as determined by responses to a survey) was compared with the gold standard of chart documentation of a pathology report or a procedure note from Mohs micrographic surgery demonstrating

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... kin cancer. Setting: University-based outpatient dermatology clinic. Patients: Three hundred patients were selected. Main Outcome Measures: Patients were considered to have correctly classified their skin cancer history if their self-reported history was consistent with chart documentation. Results: We obtained chart information for 258 patients. Section Editors