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... PANCREAS PATHOLOGY Poster# Title and Authors Itinerary Planner 269 Distal Common Bile Duct Adenocarcinoma: Analysis of 47 Cases and Comparison with Pancreatic and Ampullary Ductal Carcinomas (1847) RS Gonzalez, P Bagci, SY Kong, K-T Jang, N Ohike, T Tajiri, O Basturk, S Bandyopadhyay, L Ducato, A Krasinskas, G Kim, J Cheng, V Adsay - Emory U, Atlanta; Showa U, Tokyo, Japan; MSKCC, New York; WSU, Detroit; UPMC, Pittsburgh; UCSF, San Francisco; Piedmont Hospital, Atlanta Add 270 Cellular Prion Protein Regulates Notch1 Expression in Pancreatic Ductal Carcinoma (1851) X Hao, X Huang, L Zhang, L Zhou, W Xin - University Hospitals Case Medical Center, Cleveland, OH; Case Western Reserve University, Cleveland, OH Add 271 Overexpression of Transcriptional Intermediary Factor 1 Gamma (TIF1g) and Loss of SMAD4 Are Common Events but Are Not Correlated with Each Other in Pancreatic Ductal Carcinoma (1860) L Lee, M Ligr, H Wang, C Hajdu, Z Pei, R Xu - New York University School of Medicine, New York, NY; The University of Texas, M.D. Anderson Cancer Center, Houston, TX Add 272 Alternatively Spliced Tissue Factor Is Expressed in Pancreatic Ductal Adenocarcinoma Lesions and Promotes Tumor Spread in an Orthotopic Setting (1873) K Turner, R Srinivasan, X Qi, BJ Aronow, H Kalthoff, F Lucas, VY Bogdanov - University of Cincinnati, Cincinnati, OH; Cincinnati Children´s Hospital and Medical Center, Cincinnati, OH; University Hospital Schleswig-Holstein, Kiel, Germany Add 273 Comparison of Histologic Grading Schemes for Response to Neoadjuvant Therapy in Pancreatic Adenocarcinoma (PDAC) (1862) M Lew, T Hong, V Deshpande - Massachusetts General Hospital, Boston, MA Add 274 Are Pancreatic Endocrine Neoplasms in Tuberous Sclerosis Complex a Syndrome Associated Lesion? (1856) TS Khor, LP Le, AJ Iafrate, GY Lauwers, V Deshpande - Massachusetts General Hospital, Boston, MA Add