POSTER SESSION I STOWELL-ORBISON/AUTOPSY and SURGICAL PATHOLOGY AWARDS COMPETITION Monday, March 22, 2010   —  9:30 AM - 12:00 Noon Exhibit Hall 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 83 Does IgG4 Immunostain on Endoscopic Biliary and Ampullary Biopsies Predict the Likelihood of Autoimmune Pancreatitis? (595) CE Aguilar, JC Bucobo, B Boulay, SK Lo, D Dhall, D Frishberg, M Kahn, R Mertens, J Zhai, HL Wang - Cedars-Sinai Medical Center, Los Angeles, CA Add 84 Helicobacter Pylori Infection Is Associated with an Increase in the Stem Cell Population in Gastric Mucosa (596) Q Ahmed, R Tawil, P Sochacki, N Khoury, J Du, B Patel, AP Majumdar, E Levi - Wayne State University, Detroit, MI; Karmanos Cancer Institute, Detroit, MI; John D Dingell VAMC, Detroit, MI Add 85 Microsatellite Instability in Gastrointestinal Adenomas: Does It Answer the Germline Versus Sporadic Cancer Question? (598) DS Allende, C Fraser, D Patil, B Leach, MP Bronner, TP Plesec - Cleveland Clinic, Cleveland, OH Add 86 Immunohistochemical Expression of ER, PR and Ki67 in Pancreatic and Small Intestinal Neuroendocrine Tumors (599) AT Arnason, PJ Barnes, D Rayson, M Drewniak, HL Sapp - Dalhousie University, Halifax, NS, Canada Add 87 MicroRNA Expression during the Colorectal Adenoma-Adenocarcinoma Sequence (602) AN Bartley, KA Patel, BA Barkoh, B Mishra, H Yao, A Rashid, R Luthra, SR Hamilton - The University of Texas MD Anderson Cancer Center, Houston, TX Add 88 Luminal Distribution of Eosinophils in Initial Esophageal Biopsies and Symptoms of Reflux at Presentation are Predictive of Response to Inhaled Corticosteroid Treatment in Adult Patients with Eosinophilic Esophagitis (609) JI Bernstein, DA Katzka, EE Furth - University of Pennsylvania School of Medicine, Philadelphia, PA Add 89 The Role of Bile Acid in the Development of Gastric Adenocarcinoma Via Activation of a Novel Bile Acid Receptor TGR5 (615) W Cao, W Tian, J Hong, LJ Wang, R DeLellis, S Moss, M Resnick - Rhode Island Hospital, Providence, RI Add 90 Use of an Elastic Connective Tissue Stain Significantly Increases the Detection of Venous Invasion in Esophageal Adenocarcinoma and Is Associated with Adverse Clinical Outcomes (617) MC Castonguay, DK Driman - University of Western Ontario and London Health Sciences Centre, London, ON, Canada Add 91 Hyperplastic Polyposis Syndrome Is an Underdiagnosed and Unclear Entity: An Opportunity for the Surgical Pathologist? (626) CD Crowder, K Sweet, AM Bellizzi, WL Frankel - Ohio State University, Columbus, OH; Brigham & Women's Hospital, Boston, MA Add 92 A Proposed Histopathologic Grading System Derived from a Study of KIT and CK19 Expression in Pancreatic Endocrine Tumors (628) LN Dao, TC Smyrk, RV Lloyd, CM Lohse, L Zhang - Mayo Clinic, Rochester, MN Add 93 Polyps Detected by CT Colonography: A Histologic Review (665) JD Kemp, PE Young, BD Cash, SM Hussey - National Naval Medical Center, Bethesda, MD; National Naval Medical Center and Uniformed Services University of Health Sciences, Bethesda, MD Add 94 HER2 Overexpression in Primary and Metastatic Carcinomas in pT2b Gastric Adenocarcinoma: Comparison of Antibodies A4085 and CB11 with Correlation to Results of Fluorescent In Situ Hybridization (669) JY Kim, KM Park, EY Cho, KM Kim, CK Park - Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Inje University Sanggye-Paik Hospital, Seoul, Korea; Chungnam National University Hospital, Daejeon, Korea Add 95 KIT-Negative Gastrointestinal Stromal Tumors with Special Reference to Diagnostic Approach (670) YE Kim, GH Kang, CK Park, DY Kang, KM Kim - Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea; Chungnam National University Hospital, Daejeon, Korea Add 96 Molecular Profile of Crohn's Colitis-Associated Colorectal Adenocarcinoma Is More Similar to the 'Sporadic' Rather than Ulcerative Colitis-Associated Profile (678) JK Lennerz, A Srivastava, J Batten, JH Chen, AJ Iafrate, G Lauwers - Massachusetts General Hospital, Boston; Dartmouth-Hitchcock Medical Center, Lebanon; Indiana University, Indianapolis, IN Add 97 Longitudinal Outcome Study of Sessile Serrated Adenomas of the Colorectum: Sessile Serrated Adenomas of the Colorectum Are Associated with Increased Risk for Subsequent Right-Sided Colorectal Adenocarcinoma (683) F Lu, DL Webber, D van Niekerk, D Owen, S Tha, D Turbin - University of British Columbia, Vancouver, Canada Add 98 Levels of Lipid Peroxidation Are an Important Stimulus in Driving the Adenoma-Carcinoma Sequence in Colorectal Cancer (685) A Maguire, M Biniecka, R Geraghty, J Hyland, D O'Donoghue, H Mulcahy, J O'Sullivan, K Sheahan - St Vincent's University Hospital and University College Dublin, Dublin, Ireland Add 99 Characterization of Rectal, Proximal and Distal Colon Cancers Based on Clinicopathological, Molecular and Protein Profiles (693) P Minoo, I Zlobec, M Peterson, L Terracciano, A Lugli - University of California San Diego, San Diego, CA; Institute of Pathology, University Hospital of Basel, Basel, Switzerland Add 100 A Histopathologic Analysis of Ileitis in Pediatric Ulcerative Colitis (698) RM Najarian, A Bousvaros, L Ashworth, JD Goldsmith - Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA; Children's Hospital Boston and Harvard Medical School, Boston, MA Add 101 Loss or Decreased Expression of Aldo-Keto Reductase Family 1 B10 Protein in Ulcerative Colitis: A Potential Susceptibility Gene to Ulcerative Colitis (699) SD Norwood, J Liao, HN Li, MS Rao, G-Y Yang - Northwestern University Feinberg School of Medicine, Chicago, IL Add 102 Does Neoadjuvant Therapy Alter KRAS and/or MSI Status in Rectal Adenocarcinoma? (705) SO Ondrejka, DF Schaeffer, MA Jakubowski, DA Owen, MP Bronner - Cleveland Clinic, Cleveland, OH; The University of British Columbia, Vancouver, BC, Canada Add 103 Increased Intraepithelial Eosinophils in Patients Undergoing Photodynamic Therapy (707) VL Owens, TC Smyrk, KK Wang - Mayo Clinic, Rochester, MN Add 104 Can Pathologists Distinguish Barrett's Gastric-Type Dysplasia from Reactive Gastric Cardiac Mucosa in GERD? (711) DT Patil, AE Bennett, D Mahajan, D Allende, C Fraser, MP Bronner - Cleveland Clinic Foundation, Cleveland Add 105 Revised Bethesda Guidelines Directing MSI Testing of Colorectal Cancers in Routine Surgical Pathology Practice: A Single Institution Experience (716) JC Post, M Bronner, B Leach, E Downs-Kelly, X Liu - Cleveland Clinic, Cleveland, OH Add 106 Prognostic Implications of Cytoplasmic and Nuclear Overexpression of Lipocalin-2/NGAL in Colorectal Adenocarcinoma (722) KA Robstad, JD Choate, CE Sheehan, JS Ross, DM Jones - Albany Medical College, Albany, NY Add 107 WWOX, FHIT, β-Catenin and 14-3-3 Sigma in 171 Gastric Adenocarcinomas (724) JB Rock, IS Hatzaras, M Bloomston, J Liu, WL Frankel - The Ohio State University, Columbus, OH Add 108 Interobserver Variability in Grading of Response to Neoadjuvant Chemoradiotherapy in Rectal Adenocarcinomas Using Five Grading Systems (726) P Roy, S Serra, R Chetty - University Health Network, Toronto, ON, Canada Add 109 Sessile Serrated Adenomas: High-Risk Adenomas? (730) SN Salaria, CA Iacobuzio-Donahue, E Montgomery - Johns Hopkins Hospital, Baltimore, MD Add 110 Absolute Increase in Endocrine Cells in Pediatric Gastric Biopsies Following Long-Term Proton Pump Inhibitor Therapy (732) DF Schaeffer, E Hassal, T Sturby, DA Owen - The University of British Columbia, Vancouver, BC, Canada Add 111 DOG-1 Expression in Detection of Gastrointestinal Stromal Tumors (734) AC Schmitt, C Cohen, MT Siddiqui - Emory University Hospital, Atlanta, GA Add 112 Pitfalls in Ileal Pouch and Rectal Cuff Biopsy Analysis: Utility of CD10 Expression (751) GH Tozbikian, EE Furth - Hospital of the University of Pennsylvania, Philadelphia, PA Add 113 Olfactomedin-4, a Novel Marker of Intestinal Stem Cell Identity, Is Upregulated in Long-Standing Ulcerative Colitis and Accompanying Low Grade Dysplasia (763) OH Yilmaz, AK Bhan, GY Lauwers, V Deshpande - Massachusetts General Hospital, Boston, MA Add