POSTER SESSION I Stowell-Orbison/Surgical Pathology/Autopsy Awards Poster Monday, March 19, 2012   —  9:30 AM - 12:00 Noon CC Exhibit Hall B3 & C Click on the blue numbers in parentheses to display abstracts. Click the button next to any title to add to Itinerary Planner... GASTROINTESTINAL PATHOLOGY Poster# Title and Authors Itinerary Planner 99 Infarct-Like Necrosis: A Distinct Form of Necrosis Seen in Colorectal Carcinoma Liver Metastases Treated with Perioperative Chemotherapy (699) HH Li Chang, WR Leeper, G Chan, D Quan, DK Driman - University of Western Ontario, London, ON, Canada; University of Montreal, Montreal, QC, Canada Add 100 Expression of Cancer Stem Cell Regulators, Twist-1 and Bmi-1, in Colon Cancer: Implications for Their Oncogenic Role (670) Y Han, K Sun, J Albanese, J Sunkara, A Leifer, KE Tanaka, Q Liu - Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY Add 101 Arrest Defective 1 (ARD1) Protein Expression Is Associated with Clinical Outcome in Colorectal Cancer (CRC) (660) O Elkadi, C Sheehan, J Ross, D Jones - Albany Medical College, Albany, NY Add 102 Raf Kinase Inhibitor Protein (RKIP), Lympho-Vascular Invasion and Peritoneal Invasion Can Be Used To Identify a High-Risk Group of Stage II Colorectal Cancer Patients (658) B Doyle, S Hagan, F Al-Mulla, L Scott, S Harden, J Paul, H Mulcahy, GI Murray, K Sheahan, J O´Sullivan, W Kolch - Trinity College, Dublin, Ireland; Glasgow Caledonian University, Glasgow, United Kingdom; Kuwait University, Kuwait, Kuwait; University of Glasgow, Glasgow, United Kingdom; Beatson West of Scotland Cancer Centre, Glasgow, United Kingdom; St Vincent´s University Hospital, Dublin, Ireland; University of Aberdeen, Aberdeen, United Kingdom; University College Dublin, Dublin, Ireland Add 103 Prognostic Role of Combined MSI and BRAF Mutation Status in Colorectal Cancer: Toward Routine Clinical Use (743) J Shen, T Morikawa, CS Fuchs, S Ogino - Brigham and Women´s Hospital, Boston, MA; Dana-Farber Cancer Institute, Boston, MA Add 104 Squamous Morules in Colon Polyps: Endocrine Differentiation in an Under-Recognized Mimic of Invasive Carcinoma (737) SN Salaria, E Montgomery, C Arnold - Johns Hopkins, Baltimore Add 105 ´Mass-Forming´ Ischemic Colitis Is a Distinctive Variant with Predilection for the Proximal Colon: A Clinicopathologic Study of 16 Cases (682) TS Khor, GY Lauwers, RD Odze, A Srivastava - Massachusetts General Hospital, Boston, MA; Brigham and Women´s Hospital, Boston, MA Add 106 Lymphocytic Colitis: Effect of Therapy on Histologic Findings (729) SM Pyatibrat, RM Najarian, JD Goldsmith - Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA Add 107 Inflammatory Bowel Disease Associated with Primary Sclerosing Cholangitis Has Different Phenotypes: PSC-IBD vs. IBD-PSC (739) DF Schaeffer, S Hafezi-Bakhtiari, M Cino, GM Hirschfield, H El-Zimaity - University Health Network, Toronto, ON, Canada Add 108 Hamartoma-Like Schwann Cell Proliferation and Architectural Distortion of the Appendix: A Study of 46 Appendiceal Diverticular Disease and Serrated Epithelial Lesions (750) T Stockl, O Walter, K Dresser, H Lee - Univ. of Massachusetts, Worcester, MA Add 109 Double Immunostain with SATB2/Cytokeratin 20 Is Useful in the Differentiation of Appendiceal from Ovarian Mucinous Neoplasms (735) RM Roth, JB Rock, WL Marsh, X Ao, AA Suarez, WL Frankel - Ohio State University Medical Center, Columbus, OH Add 110 Optimal Immunohistochemical Panel for Distinguishing Esophageal Adenocarcinoma from Squamous Cell Carcinoma (655) MA DiMaio, S Kwok, KD Montgomery, AW Lowe, RK Pai - Stanford University, Stanford, CA Add 111 Gastric Heterotopia in the Proximal Esophagus (´Inlet Patch´): Association with Adenocarcinomas Arising in Barrett Mucosa (716) WL Neumann, GM Lujan, RM Genta - Caris Research Institute, Irving, TX; University of Texas Southwestern Medical Center at Dallas, Dallas, TX Add 112 Interobserver Agreement in the Phenotypic Classification of Barrett Dysplasia (683) TS Khor, K Badizadegan, A Bellizi, I Brown, H Fujita, H-S Han, P Kumarasinghe, A Mattia, J Misdraji, D Park, A Srivastava, RD Odze, GY Lauwers - Massachusetts General Hospital, Boston, MA; Brigham and Women´s Hospital, Boston, MA; Envoi Pathology, Herston, QLD, Australia; PathWest Laboratory, Nedlands, WA, Australia; North Shore Medical Centre, Salem, MA; Pusan National University Hospital, Busan, Korea Add 113 SOX9 and CDX2 Expression Predicts the Development of Barrett´s Esophagus (775) X Zhang, M Valasek, O Chang, J Hart, M Westerhoff - University of Chicago, Chicago; University of Washington, Seattle Add 114 Profiling microRNA and mRNA in Esophageal Biopsies of Patients with Eosinophilic Esophagitis before and after Treatment (706) S Lu, K Cleveland, V Mukkada, S Mangray, C Schorl, A Brodsky, M Resnick - The Warren Alpert Medical School of Brown University, Providence, RI Add 115 BAF250a (ARID1A) Loss Is Frequent in High-Grade Gastric Adenocarcinomas and Is Associated with Mismatch Repair Protein Loss (740) DF Schaeffer, KC Wiegand, M Cheang, A Kumar, HJ Lim, DG Huntsman - Mount Sinai Hospital - University of Toronto, Toronto, ON, Canada; BC Cancer Agency, Vancouver, BC, Canada Add 116 Gastric Adenocarcinomas Display Unique Human and Viral RNA Signatures Related to Epstein-Barr Virus Infection (772) K Woodward, W Tang, DR Morgan, MO Meyers, RL Dominguez, P-F Kuan, H Muallem, ML Gulley - University of North Carolina, Chapel Hill, NC; Western Regional Hospital, Santa Rosa de Copan, Honduras Add 117 Pyloric Gland Adenoma with Mismatch Repair Protein Loss and MSI-High Is a Precursor of Gastric Adenocarcinoma in Lynch Syndrome (694) SE Lee, DK Chang, S Kang, CK Park, K-M Kim - Samsung Medical Center, Seoul, Korea Add 118 Acute Cellular Rejection in Small Bowel Transplantation: The Nebraska Experience (752) BJ Swanson, WJ Grant, SJ Radio - University of Nebraska Medical Center, Omaha, NE Add 119 Stem Cell Phenotype in Cirrhosis and Hepatocellular Carcinoma (746) I Siddiqui, ZA Khan, S Chakrabarti - London Health Sciences Center, London, ON, Canada; University of Western Ontario, London, ON, Canada Add