POSTER SESSION V Wednesday, March 10, 2004   —  9:30 AM - 12:00 Noon EXHIBIT HALL B and C HEAD AND NECK PATHOLOGY 159 Expression Patterns of Mismatch Repair Proteins, b-Catenin, and E-Cadherin in Intestinal-Type Sinonasal Adenocarcinoma (968) B Perez-Ordonez, K Berean, RCK Jordan - University Health Network, Toronto, ON, Canada; Vancouver Hospital, Vancouver, BC, Canada; University of California San Francisco, San Francisco, CA 160 Sinonasal Adenocarcinoma: Evidence for Histogenetic Divergence of the Enteric and Nonenteric Phenotypes (935) H-R Choi, EM Sturgis, A Rashid, F DeMonte, MA Luna, JG Batsakis, AK El-Naggar - Chonnam National University, Kwangju, Korea; The University of Texas M.D. Anderson Cancer Center, Houston, TX 161 Sinonasal Tract and Nasopharyngeal Adenoid Cystic Carcinoma: A Clinicopathologic and Immunophenotypic Study of 73 Cases (984) LDR Thompson, C Penner, R Foss, M Miettinen, JA Wieneke - Southern California Kaiser Permanente Group, Woodland Hills, CA; Armed Forces Institute of Pathology, Washington, DC 162 Sinonasal Tract Angiosarcoma: A Clinicopathologic and Immunophenotypic Study of 10 Cases (982) LDR Thompson, BL Nelson - Southern California Kaiser Permanente Group, Woodland Hills, CA; National Naval Medical Center, Bethesda, MD 163 Nasopharyngeal Teratomas: A Clinicopathological Study of 17 Cases (983) LDR Thompson, B Chegar - Southern California Permanente Medical Group, Woodland Hills, CA; Upstate Medical University, Syracuse, NY 164 Nasopharyngeal Angiofibromas: Consistent Expression of Estrogen Receptor Beta (962) AG Montag, MS Richardson, M Tretiakova - University of Chicago, Chicago, IL; Medical University of South Carolina, Charleston, SC 165 Persistence of the Identical Epstein-Barr Viral Strain for Primary and Recurrent Nasopharyngeal Carcinoma (947) HY Huang, CT Yu, KC Chang, SL Peng, CT Lee, WL Shen, JR Hsiao, ST Tsai, YT Jin - Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan; National Cheng Kung University Medical Center, Tainan, Taiwan 166 Histiocytes in Rosai-Dorfman Disease Express Matrix Metallothionein and Galectin 3 but Not COX2: Further Evidence of Similarity with Interdigitating Dendritic Cells (970) YB Rawal, WL Frankel, P Wen, ML Prasad - Ohio State University Medical Center, Columbus, OH 167 DNA Repair Gene, hOGG1, in Head and Neck Squamous Cell Carcinoma (HNSCC): Gene Expression and Promoter Methylation Analysis in Primary Tumors and Cancer Cell Lines (940) C-Y Fan, L Ai, C Zuo, T Spencer, P Mukunyadzi, L Gilbrech, S Schichman, M Scott, JY Suen, E Hanna - University of Arkansas for Medical Sciences and John L. McClellan Memorial Veterans Hospital, Little Rock, AR 168 Differential Methylation of Tumor Associated Genes in Head and Neck Squamous Carcinogenesis: Clinicopathologic Significance and Potential Applications (959) S-I Maruya, J-PJ Issa, RS Weber, DI Rosenthal, JC Haviland, R Lotan, AK El-Naggar - The University of Texas M.D. Anderson Cancer Center, Houston, TX 169 Analysis of nm-23, a Proposed Tumor Metastasis Suppressor Gene, in Head and Neck Squamous Cell Carcinoma (981) H Sheikh, J Murphy, JL Hunt - University of Pittsburgh, Pittsburgh, PA 170 Accuracy of Frozen Section Diagnosis in Salivary Gland Tumors (950) PA Kay, KD Olsen, JE Lewis - Mayo Clinic, Rochester, MN 171 Relative Accuracy of Fine-Needle Aspiration (FNA) and Frozen Section (FS) in the Diagnosis of Salivary Gland Lesions (974) R Seethala, VA LiVolsi, Z. Baloch - University of Pennsylvania Medical Center, Philadelphia, PA 172 p63 Expression in Benign and Malignant Salivary Gland Lesions (976) RR Seethala, VA LiVolsi, Z Baloch - University of Pennsylvania Medical Center, Philadelphia, PA 173 Expression of Mucins (MUC1, MUC2, MUC5AC, MUC6) in Mucoepidermoid Carcinomas of Salivary Glands (926) L Alos, B Lujan, M Castillo, A Nadal, M Caballero, A Cardesa - Hospital Clinic, IDIBAPS, University of Barcelona, Spain 174 Immunohistochemistry Detection of p63 and GLUT1 in Uncommon Salivary Gland Tumors (987) BY Wang, PO Emanuel, J Li, M Urken, DE Burstein - Mount Sinai School of Medicine, NY, NY 175 Expression of c-erB-2 and c-Kit (CD117) in 14 Cases of Salivary Duct Carcinoma (SDC) (961) G McKenzie, C Zuo, K Liu, LE Barnes, C-Y Fan - University of Arkansas for Medical Sciences and John L. McClellan Memorial Veterans Hospital, Little Rock, AR; University of Pittsburgh Medical Center, Pittsburgh, PA 176 Incidence and Pattern of Expression of the c-kit Protein in Adenoid Cystic Carcinomas of the Salivary Glands (963) MC Morrison, TE Troe, MS Rao - The Feinberg School of Medicine, Northwestern University, Chicago, IL 177 Stratification of Oral Cavity Squamous Dysplasias Using p53 and ki-67 (943) O Gologan, EL Barnes, JL Hunt - University of Pittsburgh Medical Center, Pittsburgh, PA 178 Utility of p53, E-Cadherin, MMP-1, and Collagen IV Immunostains in the Differential Diagnosis of Pseudoepitheliomatous Hyperplasia Versus Invasive Squamous Cell Carcinoma (992) EL Zarovnaya, CC Black -Dartmouth-Hitchcock Medical Center, Lebanon, NH 179 High Resolution 3p Array Technology Identifies Multiple Novel Regions of Alteration in Oral Tumors (931) CSM Baldwin, C Garnis, L Zhang, MP Rosin, WL Lam - BC Cancer Research Centre, Vancouver, BC, Canada