POSTER SESSION VI Wednesday, February 15, 2006   —  1:00 - 4:00 PM Exhibit Level ENDOCRINE PATHOLOGY 75 Clinical Significance of Tall Cell Morphology in Papillary Thyroid Carcinoma: Clinicopathologic Study of 92 Cases (434) D Perez Montiel, DF Cantu De Leon, C Morrison, S Suster - Ohio State University, Columbus, OH; Instituto Nacional de Cancerologia, Mexico; Tecnológico de Monterrey-Campus Ciudad de Mexico 76 Reevaluation Of Immunohistochemical Markers In Diagnosing Papillary Carcinoma (PC) Of The Thyroid: Evidence For Utility Of HBME1 Combined With CK19 Immunostaining (431) MR Nasr, S Mukhopadhyay, S Zhang, AL Katzenstein - SUNY Upstate Medical University, Syracuse, NY 77 Narrow Repertoire Of Gene Expression Including Aberrant Expression Of Mhc Type 2 Molecules Distinguishes FPTC From Classic Morphology PTC And Benign Thyroid Tissue (419) SP Finn, PC Smyth, S Cahill, C Streck, EM O'Regan, ME Toner, C Timon, J Sherlock, R Henfry, JJ O'Leary, OM Sheils - University of Dublin, Trinity College, Dublin Dental School and Hospital, St James's Hospital, Dublin, Ireland; Foster City, CA 78 Loss of Heterozygosity of DNA Repair Gene, hOGG1, in Papillary Thyroid Carcinoma and Hashimoto Thyroiditis (447) M Thomas, LH Zhang, S Schichman, MA Scott, BR Smoller, C Fan - University of Arkansas for Medical Sciences, Central Arkansas Veterans Healthcare System, Little Rock, AR 79 Differential Topographic Kinetics in the Progression of Follicular Thyroid Neoplasms (411) R Ashrafi, A Blanes, SJ Diaz-Cano - King's College Hospital, London, United Kingdom; University of Malaga School of Medicine, Malaga, Spain 80 Encapsulated Follicular Lesions with Partial Features of Papillary Thyroid Carcinoma: The Diagnostic Utility of HBME1, Keratin 19, and Galectin-3 (441) T Scognamiglio, E Hyjek, Y-T Chen - Weill Medical College of Cornell University, New York, NY 81 Role of NFºB and HIF-1± in Follicular Thyroid Neoplasm Progression (435) S Rawlins, A Blanes, SJ Diaz-Cano - King's College Hospital, London, United Kingdom; University of Malaga School of Medicine, Malaga, Spain 82 BRAF Mutation Analysis in Microscopic Papillary Thyroid Carcinomas (450) JM Zarandona, GS Mantha, JL Hunt - University of Pittsburgh, Pittsburgh, PA 83 cDNA Microarray Analysis Of Thyroid Carcinoma Cell Lines Harboring ret/PTC Oncogenes And BRAF V600E Mutations (443) P Smyth, SP Finn, S Cahill, E O'Regan, M Toner, C Streck, R Henfrey, J Sherlock, JJ O'Leary, OM Sheils - University of Dublin, Trinity College, Dublin Dental School and Hospital, Dublin, Ireland; Applied Biosystems, Foster City, CA 84 Analysis of Differential BRAFV600E Mutational Status in Multifocal Papillary Thyroid Carcinoma: Evidence of Independent Clonal Origin in Distinct Tumor Foci (432) So Yeon Park, YJ Park, G Choi, SH Park, BY Cho, DJ Park - Seoul National University College of Medicine, Seoul, Korea 85 BRAF Mutations and RET/PTC Rearrangements in Dominant Nodules of Hashimoto's Thyroiditis (444) KM Springer, M Hendrich, V Derr, PM Sadow, C Corless, JA Fletcher, V Nose - Brigham & Women's Hospital, Boston, MA; Oregon Health Sciences University, Portland, OR 86 BRAF Mutations are Uncommon in Thyroids with Chronic Lymphocytic Thyroiditis (439) RL Sargent, VA LiVolsi, J Murphy, GS Mantha, JL Hunt - University of Pittsburgh Medical Center, Pittsburgh, PA; Hospital of the University of Pennsylvania, Philadelphia, PA 87 Correlation Between Clinico-Pathologic Features Of Papillary Thyroid Microcarcinomas And Tumor Behavior (428) SM Kumar, N Mehta, DL Steward, YE Nikiforov - University of Cincinnati, Cincinnati, OH 88 Divergent Expression And Action Of Fibroblast Growth Factor Receptors (FGFRs) 1 And 2 In Thyroid Cancer (427) T Kondo, S Ezzat, D Winer, SL Asa - University Health Network, Mount Sinai Hospital, University of Toronto, Toronto, ON, Canada 89 Parasitic Nodules of the Thyroid, A Metastasis Simulator: A Study of 76 Cases. (436) J Rodriguez, E. Kuhn,, J Rosai - Centro Diagnostico Italiano, Milan, Italy 90 Analysis Of BRAF Mutation In Cutaneous Metastases From Thyroid Carcinomas (417) LA Erickson, RV Lloyd, N Nakamura, AG Bridges, TA Borrowman - Mayo Clinic, Rochester, MN 91 Molecular Alterations In The Lymph Node Metastases Of Papillary Thyroid Carcinoma (451) Z Zhu, A Saad, YE Nikiforov - University of Cincinnati, Cincinnati, OH 92 Cystic Metastases From Papillary Thyroid Carcinoma Have Frequent BRAF Mutations (415) A Domfeh, GS Mantha, JL Hunt - University of Pittsburgh, Pittsburgh, PA 93 Cytokeratin 19 Is Not A Powerful Prognostic Marker In Well Differentiated Pancreatic Endocrine Tumors (429) S La Rosa, S Uccella, E Rigoli, V Bianchi, C Capella - University of Insubria and Ospedale di Circolo, Varese, Italy 94 Immunohistochemical Detection Of Somatostatin Receptor(SSTR)2a In Duodenal And Pancreatic Gastrinomas (425) H Kajiwara, C Inomoto, A Serizawa, R Doi, YR Osamura - Tokai University, School of Medicine, Isehara, Kanagawa, Japan; Kyoto University, Graduate School of Medicine, Kyoto, Japan 95 The Conventional And Goblet Cell "Carcinoids" Of The Appendix: A Proposal By Immunohistochemical Profiles (424) C Inomoto, H Kajiwara, YR Osamura - Tokai University School of Medicine, Isehara, Kanagawa, Japan 96 Loss of PTEN Expression is Associated with Malignant And Borderline Paraganglioma (414) CE Day, L Wang - Montefiore Med Ctr, Albert Einstein Coll Med, Bronx, NY 97 Hypoxia Inducible Factor In Pheochromocytomas And Paragangliomas (437) K Rumilla, RV Lloyd, CM Lohse, LA Erickson - Mayo Clinic, Rochester, MN 98 Differential Gene Expression in Hereditary Pheochromocytomas/Paragangliomas (438) PM Sadow, S Santagata, P Dahia, V Nosé - Brigham and Women's Hospital, Harvard Medical School, Boston, MA; University of Texas Health Science Center, San Antonio, TX 99 Expression of Notch3 Protein in "High Altitude Paragangliomas" (413) PL Dahia, JF Powers, I Alvarado-Cabrero, SA Ehsani, J Albores-Saavedra, AS Tischler - Dana-Farber Cancer Inst, Tufts New England Med Ctr, Boston, MA; Oncology Hospital, IMSS, Mexico; LSU Health Sciences Center, Shreveport, LA 100 Immunohistochemical Detection Of Somatostatin Receptor (SSTR) 2A In Clinically "Non-Functioning" Pituitary Adenomas (445) M Takei, M Suzuki, N Sanno, A Teramoto, YR Osamura - Nippon Medical School Hospital, Bunkyoku, Tokyo, Japan; Tokai University School of Medicine, Isehara City, Kanagawa, Japan 101 ACTH And aSU Positive Human Pituitary Adenomas-Morphology, Transcriptional Profiles And Histogenesis Of The Rare Tumors With Unique Functional Differentiation (446) M Takei, M Suzuki, S Takekoshi, N Sanno, A Teramoto, YR Osamura - Nippon Medical School, Bnkyoku, Tokyo, Japan; Tokai University School of Medicine, Isehara City, Kanagawa, Japan 102 An Essential Role For The Hematopoietic Transcription Factor Ikaros In Hypothalamic-Pituitary Mediated Somatic Growth (421) SE Fischer, R Mader, S Ezzat, SL Asa - University Health Network and University of Toronto, Mount Sinai Hospital and University of Toronto, Toronto, ON, Canada 103 Adrenal Myelolipomas Show Non-Random X-Chromosome Inactivation In Hematopoietic Elements And Fat: Support For A Clonal Origin Of Myelolipomas (412) E Bishop, JN Eble, L Cheng, M Wang, DR Chase, A Orazi, DP O'Malley - Indiana University School of Medicine, Indianapolis, IN; Loma Linda Univ School of Med, Loma Linda, CA