POSTER SESSION I STOWELL-ORBISON/AUTOPSY and SURGICAL PATHOLOGY AWARDS COMPETITION Monday, February 28, 2011   —  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... LIVER & PANCREAS PATHOLOGY Poster# Title and Authors Itinerary Planner 198 Increased FLK-1, PDGFR-α, and BRAF Expression in Hepatocellular Carcinoma: An Immunohistochemical Molecular Mediator Survey. (1520) MA Delgado, X Li, SH Patel, PJ Kneuertz, NV Adsay, C Cohen, SK Maithel, AB Farris - Emory University Hospital, Atlanta, GA Add 199 Increased RFC4 Expression in Hepatocellular Carcinoma. (1575) J Ouyang, DE Burstein, MI Fiel, SN Thung, SC Ward - The Mount Sinai Medical Center, New York, NY Add 200 High Level of Hexokinase 2 (HK2) Expression Is Observed in Diabetes, Biologically Aggressive Hepatocellular Carcinomas (HCC), and in the Progression of HCC. (1517) R Chennuri, A Chan, R Patel, TJ Layden, N Hay, SJ Cotler, G Guzman - University of Illinois (UIC), Chicago; UIC, Chicago Add 201 Involvement of the Cytosolic Phospholipase A2 alpha Signaling Pathway in Spontaneous and Transforming Growth Factor-beta Induced Hepatic Stellate Cell Activation. (1601) L Zhao, Z-H Gao - University of Calgary and Calgary Laboratory Services, AB, Canada Add 202 Reticulin Loss in Benign Fatty Liver: An Important Diagnostic Pitfall When Considering a Diagnosis of Hepatocellular Carcinoma. (1588) AD Singhi, D Jain, S Kakar, T-T Wu, MM Yeh, M Torbenson - Johns Hopkins, Baltimore, MD; Yale, New Haven, CT; UCSF, San Francisco, CA; Mayo, Rochester, MN; U. of Wash., Seattle Add 203 Diagnostic Utility of Glutamine Synthetase and Serum Amyloid Associated Protein Immunohistochemistry in the Distinction of Focal Nodular Hyperplasia and Telangiectatic Hepatic Adenoma. (1546) NM Joseph, D Jain, T-T Wu, M Yeh, M Torbenson, S Kakar - UCSF, San Francisco, CA; Yale Univ, New Haven, CT; Mayo, Rochester, MN; Univ of Washington, Seattle; Johns Hopkins, Baltimore, MD Add 204 Telangiectatic Variant of Hepatic Adenoma: Correlation between Liver Needle Biopsy and Resection. (1570) T Mounajjed, T-T Wu - Mayo Clinic, Rochester Add 205 The Presence of IGG4 Positive Plasma Cells in PSC/AIH as Compared to Other Autoimmune Liver Diseases. (1597) M Westerhoff, J Hart - University of Chicago, IL Add 206 Evaluation of Langerhans Cell Infiltration by CD1a Immunostain in Liver Biopsy for the Diagnosis of Primary Biliary Cirrhosis. (1530) RP Graham, TC Smyrk, L Zhang - Mayo Clinic, Rochester, MN Add 207 Diagnostic Utility of CD10 in Benign and Malignant Bile Duct Lesions. (1589) M Tretiakova, M Westerhoff, T Antic, J Mueller, E Himmelfarb, H Wang, S-Y Xiao - University of Chicago, IL; Cedars-Sinai Medical Center, Los Angeles Add 208 Molecular Analysis of Pancreatic Ductal Carcinoma and Pancreatic Intraepithelial Neoplasia (PanIN): Does PanIN Represent a Precursor to Invasive Ductal Carcinoma or Secondary Cancerization of Ducts. (1515) SJ Bokhari, JF Silverman, SD Finkelstein, A Mohanty - Allegheny General Hospital, Pittsburgh, PA; RedPath Integrated Pathology, Pittsburgh, PA Add 209 Identification of eIF3f as a New Tumor Suppressor in Pancreatic Cancer. (1587) J Shi, F Wen, R Zhou, A Bhattacharyya - University of Arizona, Tucson; Fifth People's Hospital of Shanghai, Shanghai, China Add