PROFFERED PAPERS Tuesday, March 20   —  8:00 AM   —  CC 202-204 Click on the blue numbers in parentheses to display abstracts. Click the button next to any title to add to Itinerary Planner... Section E - Gynecologic Pathology & Obstetrics Chaired by: Teri Longacre and W. Dwayne Lawrence Time Title and Authors Itinerary Planner 8:00 A Population-Based Study of Ovarian Serous Borderline Tumors (SBTs) with Uniform Pathology Review and Long- Term Follow-Up (1256) R Vang, CG Hannibal, SK Kjaer, J Junge, K Frederiksen, A Kjaerbye-Thygesen, RJ Kurman - The Johns Hopkins Hospital, Baltimore; Danish Cancer Society, Copenhagen, Denmark; Hvidovre Hospital, Hvidovre, Denmark Add 8:15 Endocervical-Type Mucinous Borderline Tumors Are Related to Endometrioid Tumors Based on Mutation and Loss of Expression of ARID1A (1264) CH Wu, T-L Mao, R Vang, A Ayhan, RJ Kurman, I-M Shih - Johns Hopkins Medical Institutions, Baltimore, MD; National Taiwan University College of Medicine, Taipei, Taiwan Add 8:30 Specialized Pathology Review in Patients with Ovarian Cancer: Highly Recommended To Assure Adequate Treatment. Results from a Prospective Study (1178) S Kommoss, J Pfisterer, A Reuss, A du Bois, J Diebold, S Hauptmann, D Schmidt, F Kommoss - AGO Study Group, Wiesbaden, Germany Add 8:45 Invasion Patterns of Metastatic Pelvic High-Grade Serous Carcinoma Are Associated with BRCA Alterations (1238) C Reyes, DA Levine, R Soslow - Memorial Sloan-Kettering Cancer Center, New York, NY Add 9:00 Wolffian Tumors of the Female Genital Tract: A Study of 32 Cases (1114) D DeLair, K Van de Vijver, KJ Park, E Oliva - Memorial Sloan-Kettering Cancer Center, New York, NY; Massachusetts General Hospital, Boston, MA Add 9:15 Endometriosis-Associated Carcinomas Exhibit Significant Site-Specific Differences: Analysis of 396 Cases (1212) FN Moore, L Pan, TA Longacre - Stanford, Palo Alto, CA Add 9:30 RECESS, EXHIBITS, POSTER SESSION III   11:00 Clinical Outcome of Patients with Insufficient Sample on Endometrial Biopsy or Curettage (1271) X Yang, Y Liu - University of Massachusetts Medical School, Worcester, MA Add 11:15 Differential Expression of Heart and Neural Crest Derivatives Expressed Transcript (HAND) 2 in Benign and Neoplastic Endometrium (1096) R Buell-Gutbrod, N Lee, A Montag, K Gwin - University of Chicago, Chicago, IL; University of Chicago, Chicago Add 11:30 The Clinical Significance of K-Ras Mutation in Endometrial ´Surface Epithelial Changes´ and Their Associated Endometrial Adenocarcinoma (1268) J Xiong, M He, CL Jackson, V Breese, K Hansen, WD Lawrence - Women & Infants Hospital, Alpert Medical School of Brown University, Providence, RI; Rhode Island Hospital, Alpert Medical School of Brown University, Providence, RI Add 11:45 Predetermined Search Methods Can Increase the Yield in Counting Mitotic Figures in Uterine Leiomyosarcoma (ULMS) (1195) HR Mahler, MR Lindberg, CM Quick - UAMS, Little Rock, AR Add