Safety and Efficacy of Folatescan (Technetium TC 99M EC20) in Patients With Suspected Ovarian Carcinoma or Recurrent Endometrial Carcinoma

This phase 2, two-center, open-label, single-treatment group, within-patient-controlled study was conducted to: * Expand the safety database and gather data on the percentage of patients with known or suspected ovarian carcinoma or recurrent endometrial carcinoma who show increased uptake of FolateScan in tumors (primary objective). * Calculate the sensitivity, specificity, accuracy, positive predictive value, and negative predictive value of FolateScan compared with immunohistochemical (IHC) staining (secondary objective).