POSTER SESSION V Wednesday, March 10, 2004   —  9:30 AM - 12:00 Noon EXHIBIT HALL B and C ENDOCRINE PATHOLOGY 86 Sclerosing Clear Cell Papillary Thyroid Carcinoma: An Aggressive Variant in Young Children (447) YA Yeh, R Shamberger, C French, HPW Kozakewich, V Nose' - Children's Hospital Boston; Brigham and Women's Hospital; Harvard Medical School, Boston, MA 87 Thyroid Lesions Associated with Werner Syndrome (432) T Kondo, S-I Murata, R Katoh - University of Yamanashi Interdisciplinary Graduate School of Medicine and Engineering, Nakakoma, Yamanashi, Japan 88 Inter-Observer Variation among Experts in Diagnosis of Follicular Variant of Papillary Carcinoma (422) TM Elsheikh, SL Asa, JKC Chan, RA DeLellis, CS Heffess, V LiVolsi, BM Wenig - Pathologists Associated/Ball Memorial Hospital, Muncie, IN; University of Toronto, Toronto, ON, Canada; Queen Elizabeth Hospital, Kowloon, Hong Kong; Rhode Island Hospital/Academic Medical Center, Providence, RI; Armed Forces Institute of Patholgy, Washington, DC; University of Pennsylvania Medical Center, Philadelphia, PA; Beth Israel Medical Center, New York, NY 89 Inverse Correlation of E-Cadherin (CDH1) and Epidermal Growth Factor-Receptor (EGF-R) in Papillary Thyroid Carcinoma (PTC) (426) A Gamboa-Dominguez, M Saqui-Salces, FA Candanedo-González, N Nährig, KF Becker, B Luber, H Höfler, F Fend - National Institute of Medical Sciences and Nutrition Salvador Zubiran, Mexico City, Mexico; Technical University Munich, Munich, Germany 90 BRAF, RET/PTC and RAS Mutations in Papillary Thyroid Carcinomas: Prevalence and Correlation with Histologic Variants, Clinical Features and Tumor Behavior (449) Z Zhaowen, M Gandhi, R Ciampi, PW Biddinger, YE Nikiforov - University of Cincinnati, Cincinnati, OH 91 Epidermal Growth Factor Receptor (EGF-R) Overexpression, but Not E-Cadherin (CDH1) Abnormalities Correlate with Postmenopausal Differentiated Papillary Thyroid Carcinoma (D-PTC) (419) FA Candanedo-Gonzalez, M Saqui-Salces, A Gamboa-Dominguez - Oncology Hospital. National Medical Center Century XXI., Mexico City, Mexico; National Institute of Medical Sciences and Nutrition Salvador Zubiran., Mexico City, Mexico 92 Gene Expression Profiling in the Phenotypic Classification of Follicular and Papillary Thyroid Neoplasms (421) DD Elliott, S Chevillard, N Ugolin, P Vielh, K Ory, C Levalois, GL Clayman, AK El-Naggar - University of Texas MD Anderson Cancer Center, Houston, TX; Laboratoire de Cancerologie Experimentale, France; Institut Gustave Roussy, France 93 In Vivo Differential Expression of Nuclear Retinoic Acid and Retinoic X Receptors in Thyroid Carcinomas (418) V Cahn, G Granier, F Galateausalle, B Marie, Y Grignon, N Martinet, JM Vignaud - CHU de Nancy, Nancy, France 94 Vitamin D Induces Fibronectin and Restores Adhesiveness of Thyroid Cancer Cells through a PTEN-Dependent Pathway (436) W Liu, S Ezzat, SL Asa - University Health Network and Toronto Medical Laboratories; Mount Sinai Hospital; University of Toronto, Toronto, ON, Canada 95 Frequency of Allelic Loss of Tumor Suppressor Genes Identifies Malignancy and Predicts Clinical Outcome in Follicular Thyroid Tumors (429) JL Hunt, JH Yim, SD Finkelstein, P Swalsky, SE Carty - University of Pittsburgh, Pittsburgh, PA 96 Induction of ret/PTC-3 Chimera by g-Irradiation of Immortalized Human Thyrocytes (423) SP Finn, P Smyth, EM O'Regan, R Flavin, JJ O'Leary, OM Sheils - University of Dublin, Trinity College, Dublin, Ireland 97 Biological Theme Analysis of Parathyroid Neoplasia by Expression Systematic Analysis Explorer (431) J Kneile, C Eng, C Morrison - Ohio State University, Columbus, OH 98 Aberrant Methylation of the CDH13 (H-Cadherin) Gene in Human Pituitary Adenomas (441) ZR Qian, T Sano, K Yoshimoto, S Yamada, N Mizusawa, A Ishizuka, H Horiguchi, M Hirokawa, SL Asa - University of Tokushima School of Medicine, Tokushima, Japan; University of Tokushima School of Dentistry, Tokushima, Japan; Toranomon Hospital, Tokyo, Japan; Institute for Genome Research, University of Tokushima, Tokushima, Japan; University of Toronto, Toronto, ON, Canada 99 Inactivation of RASSF1A Tumor Suppressor Gene by Aberrant Promoter Methylation in Human Pituitary Adenomas (440) ZR Qian, T Sano, K Yoshimoto, S Yamada, N Mizusawa, A Ishizuka, H Horiguchi, M Hirokawa, SL Asa - University of Tokushima School of Medicine, Tokushima, Tokushima, Japan; University of Tokushima School of Dentistry, Tokushima, Tokushima, Japan; Toranomon Hospital, Tokyo, Japan; Institute for Genome Research, University of Tokushima, Tokushima, Tokushima, Japan; University of Toronto, Toronto, ON, Canada 100 Specific Expression of Estrogen Receptor (ER) mRNA in Prolactin (PRL) Positive Cells in Human GH Producing Pituitary Adenomas: Molecular Analysis with Laser Capture Micro Dissection (LCM) (446) M Yamazaki, M Syunsuke, N Egashira, S Takekoshi, N Sanno, A Teramoto, RY Osamura - Nippon Medical School, Sendagi, Bunkyo-ku, Tokyo, Japan; Tokai University School of Medicine, Bohseidai, Isehara, Kanagawa, Japan 101 Expression of Adrenal Secretory Protease (AsP) in the Human Adrenal Cortex and in Adrenal Cortical Tumours (438) JA Miller, DC Murray, AB Bicknell, AM McNicol - University of Glasgow, Glasgow, United Kingdom; University of Reading, Reading, United Kingdom 102 Ret Protein Expression in Adrenal Medullary Hyperplasia and Pheochromocytoma (444) AS Tischler, JM Brachold, JF Powers - Tufts New England Medical Center, Boston, MA 103 Expression of PTEN, P-TEN, and P-Akt in Neuroendocrine Tumors of the Pancreas (420) JG Chanona-Vilchis, C Eng, MD Perez-Montiel, WL Frankel - The Ohio State University, Columbus, OH; Instituto Nacional de Cancerologia, Mexico City, D.F., Mexico 104 CDX2 Is a Marker of Midgut EC-Cell Tumors and Their Metastases (434) S La Rosa, E Rigoli, S Uccella, C Capella - Ospedale di Circolo, Varese, Italy; University of Insubria, Varese, Italy 105 CDX2 Homeobox Gene Product Expression in Neuroendocrine Tumors: Its Role as a Maker of Intestinal Neuroendocrine Tumors (416) M Barbareschi, C Roldo, G Zamboni, P Capelli, A Cavazza, MG Cangi, M Chilosi, C Doglioni - S.Chiara Hospital, Trento, Italy; University of Verona, Verona, Italy; S.Maria Nuova Hospital, Reggio Emilia, Italy; S.Martino Hospital, Belluno, Italy 106 Histidine Decarboxylase (HDC) and Vesicular Monoamine Transporter 2 (v-MAT2) Expression in Poorly Differentiated Endocrine Carcinomas and in Well Differentiated Endocrine Tumors (445) S Uccella, R Oldrini, S La Rosa, C Capella - University of Insubria, Ospedale di Circolo, Varese, Italy 107 Application of Tissue Microarray(TMA) to Profiling Neuroendcorine Markers in Various Neuroendocrine Tumors(NETs) (430) H Kajiwara, N Kumaki, N Egashira, M Yasuda, S Umemura, YR Osamura - Tokai University School of Medicine, Isehara, Kanagawa, Japan 108 Molecular Profiles of Lung and Extrapulmonary Poorly Differentiated Endocrine Carcinomas (425) D Furlan, R Cerutti, A Genasetti, S Uccella, C Capella - University of Insubria, Varese, Italy 109 TNF-a Plays a Role in Bone Loss Induced by Steroids (427) BG Hanna, H Hosalkar, M Thornton, U Scherbel, J Dormans, M Marino, B Gomberg, T Shen, S Inniss, W DeLong, JS Khurana - Temple University Hospital, Philadelphia, PA 110 Local Expression of B7-H1 Promotes Organ-Specific Autoimmunity and Transplant Rejection (448) LM Yerian, SK Subudhi, P Zhou, RK Chin, JC Lo, RA Anders, Y Sun, L Chen, Y Wang, M-L Alegre, Y-X Fu - University of Chicago, Chicago, IL; Mayo Clinic, Rochester, MN