POSTER SESSION I STOWELL-ORBISON/AUTOPSY and SURGICAL PATHOLOGY AWARDS COMPETITION Monday, March 3, 2008   —  9:30 AM - 12:00 Noon Convention Center, Exhibit Hall A Click on the blue numbers in parentheses to display abstracts. Click the button next to any title to add to Itinerary Planner... BREAST PATHOLOGY Poster# Title and Authors Itinerary Planner 20 D2-40: An Additional Marker for Myoepithelial Cells of Breast (72) MA Abuel-Haija, JS Khurana, XM Zhang - Temple University Hospital, Philadelphia, PA Add 21 The CSF-1 Response Signature in Breast Carcinoma (90) AH Beck, I Espinosa, M van de Rijn, RB West - Stanford University Medical Center, Stanford, CA Add 22 Immunosuppressive Regulatory T Cells Are Associated with More Aggressive Breast Cancer Phenotypes: A Potential Therapeutic Target (95) SD Bohling, TJ Lawton, KH Allison - University of Washington Medical Center, Seattle, WA Add 23 A Retrospective Study of the Diagnostic Accuracy of FNA in Breast Lesions and Implications for Future Use (115) CE Day, AM Fimbres, N Salami, NA Moatamed, SK Apple - UCLA, Los Angeles Add 24 WT-1 Expression in Primary Mucinous Carcinomas of the Breast (118) AB Domfeh, AM Carley, J Striebel, A Florea, RG Karabakhtsian, R Bhargava - Magee-Womens Hospital of UPMC, Pittsburgh, PA Add 25 A Novel Discriminant Score Based on MIB-1 and HER-2 Immunohistochemistry as an Alternative to Oncotype-DX Recurrence Score in Breast Carcinoma (121) SE Easley, E Sabo, B Bhattacharya, S Mangray, D Giri - Rhode Island Hospital, Providence, RI; Memorial Sloan-Kettering Cancer Center, New York, NY Add 26 Comparative Immunohistochemical Analysis of EGFR, CD117, and CD10 Expression in Benign and Malignant Phyllodes Tumors of the Breast: A Diagnostic and Prognostic Utility Study (132) AC Gavino, KH Molberg, Y Peng - University of Texas Southwestern Medical Center, Dallas, TX Add 27 Impact of the New American Society of Clinical Oncology (ASCO)/College of American Pathologists (CAP) Guidelines on the Determination of Breast Cancer HER2 Status (136) HL Gilmore, LC Collins, JL Connolly, SJ Schnitt - Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA Add 28 Measuring Extent of DCIS in Breast Excision Specimens: A Comparison of Four Methods (144) AN Grin, G Horne, M Ennis, FP O'Malley - Mount Sinai Hospital, Toronto, ON, Canada; University of Calgary, Calgary, AB, Canada; Applied Statistician, Markham, ON, Canada Add 29 Chromosome 7 Aneusomy in Metaplastic Breast Carcinomas with Chondroid, Squamous and Spindle-Cell Differentiation (148) K Gwin, K Lezon-Geyda, L Harris, FA Tavassoli - Yale University School of Medicine, New Haven, CT; Yale University, New Haven, CT Add 30 Dissociation between Progesterone Receptor and Cell Proliferation in Invasive Breast Cancer (160) B Higa, E Rajan, K Yao, J Sinacore, C Ersahin, P Rajan - Loyola University Medical Center, Maywood, IL Add 31 Phenotypic Profile of Myoepithelial Cells (MEC) in Benign Sclerosing Lesions and Ductal Carcinoma In Situ (DCIS): Diagnostic Implications (161) JB Hilson, SJ Schnitt, LC Collins - Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA Add 32 Somatic Mutations in Steroid Hormone Receptor Coactivators in Breast Cancer (165) M Ioan, MS Epstein, LY Xia, CA Haiman, MF Press - University of Southern California, Los Angeles, CA Add 33 Novel Biologic Markers in Phyllodes Tumors (176) VB Korcheva, G Countryman, ML Troxell - Oregon Health & Science University, Portland, OR Add 34 Expression of Estrogen Receptor -b in Invasive Breast Cancers in Relation to Molecular Phenotype (196) J Marotti, R Tamimi, H Baer, J Connolly, G Colditz, S Schnitt, L Collins - Beth Israel Deaconess Medical Center, Boston, MA; Harvard Medical School, Boston, MA; Harvard School of Public Health, Boston, MA; Brigham and Women's Hospital and Harvard Medical School, Boston, MA; Alvin J. Siteman Cancer Center and Washington University School of Medicine, St. Louis, MO Add 35 Atypical Ductal Hyperplasia in Directional Vacuum-Assisted Biopsy of Breast Microcalcifications: Considerations for Surgical Excision (202) CV Nguyen, C Albarracin, GJ Whitman, N Sneige - MDACC, Houston, TX Add 36 Analysis of Allelic Imbalance in Phyllodes Tumors of the Breast (204) N Nicosia Esposito, MN Nikiforova, GS Mantha, DJ Dabbs, G Trucco - Magee-Womens Hospital of the University of Pittsburgh Medical Center, Pittsburgh, PA; University of Pittsburgh Medical Center, Pittsburgh, PA Add 37 Association of p4E-BP1 and EIF Family Factors with Grade of Malignancy and Metastasis in Breast Tumors. A Clinico-Pathological Study of 201 Cases (215) V Peg, B Pons, MA Vazquez, E Martinez Saez, F Rojo, JL Lirola, G Armengol, S Ramon y Cajal - Vall Hebron University Hospital, Barcelona, Spain Add 38 Most Basal-Like Breast Cancers Demonstrate an Rb Negative/p16 Diffuse Positive Immunophenotype (219) A Proctor Subhawong, WH Westra, TK Subhawong, S Begum, N Kouprina, P Argani - The Johns Hopkins Hospital, Baltimore, MD Add 39 A Ten Year Review of 837 Cases of Lobular Neoplasia: Association with the Spectrum of Ductal Neoplasia (236) RK Shamanna, DA Chitale, UB Raju - Henry Ford Hospital, Detroit, MI Add 40 DCIS in African-American (AA) vs. Caucasian-American (CA) Women: Analysis of Pathologic Features and Outcome (237) B Sharaf Aldeen, H Arabi, A Safadi, W Chen, D Visscher, H Nassar - Wayne State University, Detroit; University of Michigan, Ann Arbor Add 41 Estrogen Receptor Positivity in Normal Breast Epithelium from Women with Breast Cancer Correlates with Tumor Hormone Receptor (250) B Thyagarajan, R Gamez, C Sweeney, C Blair, HE Gulbahce - University of Minnesota, Minneapolis, MN; University of Utah, Salt Lake City, UT Add 42 The Effect of Mitosis Marker Phospho-Histone H3 (Ser10) on the Grading of Invasive Ductal Carcinoma (267) BL Witt, WG Watkin, RK Orr, H Du - Evanston Hospital, Evanston, IL; Northwestern University Feinberg School of Medicine, Chicago, IL; Evanston Northwestern Healthcare, Evanston, IL Add 43 Attenuated D2-40 Staining Pattern in Breast Myoepithelial Cells: A Potential Caveat in the Diagnosis of Lymphatic Invasion (268) Z Yang, AL Adams, O Hameed - University of Alabama School of Medicine, Birmingham, AL Add 44 Magnetic Resonance Imaging (MRI) Guided Breast Core Biopsy (CNB): A Pathologic Correlation (269) L Zhang, S Jaffer, IJ Bleiweiss, CS Nagi - Mount Sinai School of Medicine, New York, NY Add 45 Immunohistochemical Characterization of Hormone Receptor Negative (Triple Negative and HER2+) Breast Carcinomas (273) Z Zhang, L Niemeier, A Ormsby, O Alassi, A Stark, U Raju - Henry Ford Health System, Detroit, MI Add