POSTER SESSION I Monday, February 13, 2006   —  9:30 AM - 12:00 Noon Exhibit Level BREAST PATHOLOGY 14 Chromosomal Alterations in Hyperplastic Regions in the Breast Depend Upon the Presence of Coexisting Cancer (77) S Aalaei, L Morrison, P Gattuso, K Jacobson, J Coon - Rush University Medical Center, Chicago, IL; Abbott Molecular, Inc, Des Plaines, IL 15 Risk Of Carcinoma In Papillomas With Atypical Ductal Hyperplasia (ADH) (105) K Donev, U Raju - Henry Ford Hospital, Detroit, MI 16 Frequency Of Clinically Occult Intraepithelial And Invasive Neoplasia In Reduction Mammoplasty Specimen. A Study Of 517 Cases. (106) JE Dotto, MJ Kluk, FA Tavassoli - Yale New Haven Hospital, New Haven, CT 17 Sentinel Lymph Node Biopsy Following A Diagnosis Of Ductal Carcinoma In Situ On Needle Core Biopsy. (107) BW Doyle, A O' Doherty, ADK Hill, CM Quinn - St Vincent's University Hospital, Dublin, Ireland 18 Significant Incidental Pathologic Findings In Reduction Mammoplasty Cases: A Five-Year Review (120) AJ Goodwin, AB Ambaye, S MacLennan, S Naud, DL Weaver - University of Vermont; Fletcher Allen Health Care; Vermont Cancer Center, Burlington, VT 19 Predictive Biomarkers of Breast Cancer Response to Neoadjuvant Chemotherapy and Their Relationship to Pathologic Assessment of Residual Disease. (144) EC Marginean, L Puzstai, GN Hortobagyi, WF Symmans - UT MD Anderson Cancer Center, Houston, TX 20 Extensive Sampling of the Surgical Specimens is Essential for Accurate T-Staging in Patients with Infiltrating Lobular Carcinoma of Breast: A Comparative Study of Gross versus Microscopic Tumor Sizes (151) NA Moatamed, SK Apple - David Geffen School of Medicine at UCLA, Los Angeles, CA 21 Estrogen Receptor Expression In Ductal Carcinoma In Situ (DCIS): The Effect Of Patterns, Grade, Apocrine Differentiation And Heterogeneity. (158) L Niemeier, U Raju - Henry Ford Hospital, Detroit, MI 22 Clonality Analysis of the Peripheral Papilloma and the Cancerous Cells of the Breast (159) Y Niu, Q YU, Y YU, XM Ding, YR SHI - Cancer Hospital, Tianjin Medical University, Tianjin, China 23 Her2/neu Expression (IHC), Amplification (FISH), and Chromosome 17 Aneuploidy in Invasive Lobular Carcinoma (171) A Radhakrishnan, A Nassar, M Lewis, C Phillips, C Cohen - Emory University Hospital, Atlanta, GA 24 The Expression of Epithelial Membrane Antigen and D2-40 in Invasive Micropapillary Carcinoma of the Breast - Role in Pathogenesis (176) C Rowsell, HJ Kahn, W Hanna - Sunnybrook & Women's Health Sciences Centre, Toronto, ON, Canada 25 Human Mammary Stroma Modulates Mammary Epithelial Proliferation In 3D-Matrix (177) JT Schaefer, N Dumont, K Sorber, TD Tlsty - University of California, San Francisco, San Francisco, CA 26 Hsulf-1 Expression is an Independent Predictor of Poor Outcome in Breast Carcinomas (181) H Shao, W Wolberg, J Eickhoff, X Qian, K Narita, R Lloyd, V Shridhar, A Friedl - University of Wisconsin, Madison, WI; Mayo Clinic, Rochester, MN 27 alphaB-Crystallin: A Novel Marker for Metaplastic and Basal-Like Breast Cancers (183) SM Sitterding, WR Wiseman, CL Schiller, WG Watkin, C Luan, EL Wiley, JV Moyano, VL Cryns, LK Diaz - Northwestern University, Chicago, IL 28 Lobular Neoplasia On Core Needle Biopsy Does Not Require Excision (188) M Tismenetsky, S Jaffer, IJ Bleiweiss, CS Nagi - Mount Sinai School of Medicine, New York, NY 29 Expression of ±6²4 Integrin and Genes Upregulated by ±6²4 Integrin Activation in Basal/Myoepithelial-like Breast Cancer (194) WR Wiseman, SM Sitterding, CL Schiller, WG Watkin, C Luan, EL Wiley, MZ Gilcrease, LK Diaz - Northwestern University, Chicago, IL; UT MD Anderson Cancer Center, Houston, TX