POSTER SESSION II Monday, March 24, 2003   —  1:00 - 4:30 PM Exhibit Hall A - C GYNECOLOGIC PATHOLOGY 110 Synchronous Breast and Endometrial Carcinomas (861) A Felix, S Andre, C Laranjeira, F Antunes, I Fonseca Instituto Portugues Oncologia, Lisboa, Portugal 111 Presentation of Endometrioid Carcinoma Simultaneously Involving the Uterus and Fallopian Tube (851) LK Culton, MT Deavers, J Liu, EG Silva, A Malpica Univ. of Texas Medical School, Houston, TX; M.D. Anderson Cancer Center, Houston, TX 112 p53 Immunoreactivity in Endometrial Cancers Developing after Radiation Treatment for Cervical Cancer (936) B Pothuri, L Ramondetta, M Deavers, R Barakat, R Soslow Memorial Sloan-Kettering Cancer Center, New York, NY; MD Anderson Cancer Center, Houston, TX 113 Expression of Prostaglandin H-Synthase (COX2) in Normal Endometrium and Endometrial Lesions (812) PA Adegboyega, O Ololade University of Texas Medical Branch, Galveston, TX 114 The Expression of COX-2 in High Grade Endometrial Neoplasms (875) KL Hickey, QJ Cao, S Marconi, SP Naber, CN Otis Baystate Medical Center, Western Campus of Tufts University School of Medicine, Springfield, MA 115 Survivin May Play a Role in the Emergence of Progestin Resistance in Endometrial Hyperplasia (957) BZ Senturk, V Parkash, W Zheng Yale University School of Medicine, New Haven, CT 116 Adverse Prognostic Effects of Presence of Minor Serous and Clear Cell Components in Mixed Endometrial Carcinomas (941) MR Quddus, CJ Sung, C Zhang, WD Lawrence, MM Steinhoff Women & Infants Hspital & Brown Medical School, Providence, RI 117 Alpha 1-Antitrypsin Positivity as a Tumor Marker in Clear Cell Carcinomas of the Endometrium: An Immunohistochemical Study of 16 Cases (940) MR Quddus, S Logani, CJ Sung, MM Steinhoff, WD Lawrence Women & Infants Hospital and Brown Medical School, Providence, RI; Emory University Hospital, Atlanta, GA 118 The Utility of p53 and Ki-67 Expression in the Distinction of "Atypical" Tubal Metaplasia of the Endometrium from Uterine Serous Neoplasia (903) F Liu, MR Quddus, CJ Sung, C Zhang, MM Steinhoff, WD Lawrence Women & Infants Hospital, Brown Medical school, Providence, RI 119 Differential Expression of WT1 in Uterine Serous and Endometrioid Carcinoma (988) Q Zhang, T Wright, D Alexis, M Mansukhani Columbia University, New York, NY 120 Can Immunohistochemical Analysis of p53 and WT1 Assist in Distinguishing Uterine Serous Carcinoma from Uterine Endometrioid Carcinoma (858) JA Egan, MC Ionescu, E Eapen, JG Jones, DS Marshall Albert Einstein College of Medicine, Montefiore Medical Center, Weiler Division, Bronx, NY 121 Differential Expression of Cytokeratins 13 and 18 in Type 1 Versus Type 2 Endometrial Carcinomas Using Tissue Microarrays (900) RA Lininger, X Ding, CA Livasy, J Sciarrotta, CM Perou, BA Lessey UNC, Chapel Hill, NC 122 Endometrial Carcinoma: Do Oncogene Studies Separate Types I and II (960) MM Shevchuk, T Lallas, M DaSilva Lenox Hill Hospital, NY, NY; Impath,Los Angeles, CA 123 Endometrial Tumor Classification Using cDNA Microarray Analysis of Gene Expression (901) RA Lininger, CM Perou, X Ding, BA Lessey, UNC, Chapel Hill, NC 124 Histologic Features in Microsatellite Unstable and Stable Endometrial Carcinomas (870) H Hampel, MM Yearsley, H Nakagawa, A Lehman, A de la Chapelle, WL Frankel The Ohio State University, Columbus, OH 125 hMLH1 and hMSH2 Protein Expression in Endometrial Carcinoma and Atypical Endometrial Hyperplasia on Tissue Microarray. Relationship with Microsatellite Instability (871) D Hardisson, G Moreno-Bueno, L Sanchez, X Farre, D Sarrio, A Suarez, BA Sanchez, F Calero, J Palacios Hospital Universitario La Paz, Madrid, Spain; Centro Nacional de Investigaciones Oncologicas (CNIO), Madrid, Spain 126 Frameshift Mutations at Target Genes in Endometrial Carcinomas with Microsatellite Instability (841) Ll Catasus, H Lagarda, X Matias-Guiu, J Prat Hospital de la Santa Creu i Sant Pau. Autonomous University of Barcelona, Spain 127 Is There Any In Vivo or In Vitro Correlation between $-Catenin and Hormonal Receptors (HRs) in Endometrioid Endometrial Carcinoma (EEC)? (832) EF Brachtel, RD Littell, MP Lynch, B Rueda, E Oliva Massachusetts General Hospital, Boston, MA