POSTER SESSION I Stowell-Orbison/Surgical Pathology/Autopsy Awards Poster Monday, March 19, 2012   —  9:30 AM - 12:00 Noon CC Exhibit Hall B3 & C 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 15 Loss of Retinoblastoma (RB) Tumor Suppressor Expression in Breast Cancer Correlates with Better Response to Neoadjuvant Chemotherapy (210) JM McFalls, J Kline, GF Schwartz, AK Witkiewicz - Thomas Jefferson University, Philadelphia, PA Add 16 Use of Gene Expression Markers To Screen for BRCA-1 Germline Mutations in Triple Negative Breast Cancer (278) EA Swanson, X Li, PS Sullivan, NA Moatamed, SK Apple - University of California, Los Angeles, Los Angeles, CA Add 17 Inter-Observer Agreement among Pathologists for Assessing Ki- 67 Labeling Index on Whole Slides and ´Hot Spots´ in Breast Carcinomas (89) M Amin, D Cohen, DJ Dabbs, KL Cooper, TE Jones, M Jones, GA Trucco, M Chivukula, R Bhargava - Magee-Womens Hospital of UPMC, Pittsburgh, PA; University of Pittsburgh Cancer Institute, Pittsburgh, PA Add 18 Predictive Marker (PM) Discordance between Primary and Metastatic Breast Cancer: The Role of Decalcification and Targeted Therapy (282) G Tozbikian, A Ziober, P Zhang - Hospital of the University of Pennsylvania, Philadelphia, PA Add 19 Development and Validation of a Novel Gene Expression-Based Macrophage-Associated Marker Prognostic Score (241) LM Quintana, AH Beck - Beth Israel Deaconess Medical Center, Boston, MA Add 20 Inter-Observer Agreement among Pathologists for Semi- Quantitative Hormone Receptor Scoring in Breast Carcinoma (117) DA Cohen, DJ Dabbs, KL Cooper, M Amin, TE Jones, MW Jones, M Chivukula, GA Trucco, R Bhargava - Magee-Womens Hospital of University of Pittsburgh Medical Center (UPMC), Pittsburgh, PA; University of Pittsburgh Cancer Institute (UPCI) Biostatistics Facility, Pittsburgh, PA Add 21 Marked Atypical Duct Hyperplasia Which Borders Low Grade Ductal Carcinoma In Situ on Core Biopsy Should Be Managed Conservatively (284) CJ VandenBussche, E Sbaity, TN Tsangaris, N Khouri, R Vang, A Tatsas, A Cimino-Mathews, P Argani - The Johns Hopkins Medical Institutions, Baltimore, MD Add 22 Clinicopathologic Characteristics of HER2 FISH Ambiguous Breast Cancer at a Single Institution (116) MR Clay, KC Jensen - Stanford Hospital and Clinics, Stanford, CA; Veterans Affairs, Palo Alto Health Care System, Palo Alto, CA Add 23 Comparison of Complete and Representative Frozen Section Sampling of Breast Cancer Sentinel Lymph Node (299) W Xu, K Kostroff, T Bhuiya - Hofstra North Shore-LIJ School of Medicine, Lake Success, NY; Hofstra North Shore-LIJ School of Medicine, New Hyde Park, NY Add 24 Differing Prognostic Associations of Tumor Stromal Macrophages in Different Molecular Subtypes of Breast Cancers (192) AF Lee, H Huwait, S Leung, J Choo, TO Nielsen, C-H Lee - Univ. of British Columbia, Vancouver, BC, Canada; Vancouver Gen. Hosp., Vancouver, BC, Canada Add 25 Comparative Expression Profiles of E-Cadherin and Vimentin in Triple Negative and Estrogen Receptor-Positive Breast Carcinoma (277) MJ Swadley, C Cohen, HC Sullivan, DJ Williams, LD Taliaferro-Smith, GM Oprea, AL Adams - Emory University, Atlanta, GA Add 26 Breast Cancer HER2 Heterogeneity by FISH Pre and Post Neoadjuvant Chemotherapy: A Pilot Study (86) KH Adamson, SM Dintzis, RA Schmidt, D Mankoff, KH Allison - University of Washington, Seattle, WA Add 27 Background Microenvironmental Changes in Atypical Hyperplasia of the Breast (262) JK Schoolmeester, LC Hartmann, MH Frost, DW Visscher - Mayo Clinic, Rochester, MN Add 28 Androgen Receptor Expression in Vascular Neoplasms of the Breast (170) R Jain, P Bitterman, i Lamzabi, VB Reddy, P Gattuso - Rush University Medical Center, Chicago, IL Add 29 Follow-Up Analysis of Benign Papillomas Diagnosed on Breast Core Needle Biopsy (279) RE Swapp, HM Brands, KN Jones, KN Glazebrook, TJ Hieken, DW Visscher, C Reynolds - Mayo Clinic, Rochester, MN Add 30 Higher TRPS-1 Expression Independently Predicts Better Clinical Outcome in ER+ Breast Cancer (109) JQ Chen, L Xiao, Y Wu, J Litton, R Zhou, X Shen, AA Sahin, RL Katz, M Bondy, JL Murray, LG Radvanyi - UT MD Anderson Cancer Center, Houston; VA Baylor College of Medicine, Houston Add 31 Predictive Benefit of HER4 Testing in Invasive Breast Carcinoma Patients Receiving Preoperative Trastuzumab- Based Therapy in the Neoadjuvant Setting (236) BP Portier, Z Wang, E Mincae, E Downs-Kelly, C Lanigan, J Jay, D Tast, J Ranger-Moore, E Walk, R Tubbs - Cleveland Clinic, Cleveland, OH; Ventana Medical Systems Inc., Tucson, AZ Add 32 The Management of Radial Sclerosing Lesions/Radial Scars Diagnosed in Core Biopsy: Excision or Not? (308) S Zheng, B O´Hea, M Singh, S Zee, C Tornos, J Liu - Stony Brook University Medical Center, Stony Brook, NY Add 33 Impact of Cold Ischemic Time on Estrogen Receptor, Progesterone Receptor, and HER2 Semi-Quantitative Immunohistochemical Scoring (304) IZ Yildiz-Aktas, DJ Dabbs, R Bhargava - University of Pittsburgh Medical Center Add 34 Clinical Implications of Diagnosing Intraductal Papillary Lesions of the Breast by General Pathologists vs. Specialists in Breast Pathology (289) J Warrick, S Holley, C Appleton, B Monsees, DC Allred - Washington University, St. Louis, MO Add 35 Comparison of Prognostic Receptors in Primary Breast Cancer and Nodal Metastases (242) SK Rathke, Z Basir, AC MacKinnon - Medical College of Wisconsin, Milwaukee, WI Add 36 Mammary Amyloidosis: A Series of 44 Cases from a Single Institution (257) SM Said, C Reynolds, RE Jimenez, B Chen, JA Vrana, JD Theis, A Dogan, SS Shah - Mayo Clinic, Rochester, MN Add 37 Molecular Phenotype of Pregnancy Associated Breast Cancers (PABC) in a Large Cohort of Young Women (129) S Demski, S Gelber, J Marotti, K Cole, S Kereakoglow, K Ruddy, E Brachtel, L Schapira, S Come, V Borges, P Schedin, E Warner, E Winer, A Partridge, L Collins - Beth Israel Deaconess Medical Center, Boston; Dana Farber Cancer Institute, Boston; Dartmouth-Hitchcock Medical Center, Lebanon; Massachusetts General Hospital, Boston; University of Colorado Cancer Center, Denver; Sunnybrook Odette Cancer Centre, Toronto, Canada Add 38 Lobular Neoplasia on Core Needle Biopsy: Clinical and Radiopathologic Correlation Study with Follow-Up Excision Biopsy of 87 Cases (106) S Chaudhary, L Lawrence, G McGinty, K Kostroff, R Robbins, T Bhuiya - North Shore LIJ Health System, Lake Success, NY; North Shore LIJ Health System, New Hyde Park, NY; Nassau Radiologic Group, Lake Success, NY Add 39 Claudin Expression in Invasive Lobular Carcinoma with an Emphasis on Pleomorphic Lobular Carcinoma (205) S Lu, K Singh, S Mangray, R Tavares, R Monahan, J Li, M Resnick, E Yakirevich - The Warren Alpert Medical School of Brown University, Providence, RI Add 40 A Proposed Technique for Topographical Mapping of Cancer Burden in Breast Resection Specimens (268) N Shillingford, E Yakirevich, D Treaba, S Chen, M Mainiero, R Sams, M Chung, RA DeLellis, S Mangray - Rhode Island Hospital, Providence, RI Add 41 HER2 Dual ISH Determination of HER2 Gene Status in Breast Cancer: Interobserver Reproducibility (204) AA Lott Limbach, EP Downs-Kelly, BG Papouchado, RR Tubbs, C Lanigan, CN Booth - Cleveland Clinic, Cleveland, OH Add 42 A Subset of Malignant Phyllodes Tumors Harbors Rb/p16 Pathway Alterations (114) A Cimino-Mathews, JL Hicks, R Sharma, R Vang, PB Illei, A De Marzo, P Argani - Johns Hopkins Hospital, Baltimore, MD Add 43 Upgrade Rates on Surgical Excision for Targeted vs. Incidental Radial Scars/Complex Sclerosing Lesions (RS/CSLs) Identified on Core Needle Biopsy (CNB) (264) M Shabani, TS Mehta, C Wells, JA Kraus, H Gilmore, SJ Schnitt, LC Collins - Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA; Massachusetts General Hospital, Boston, MA; Case Western Reserve University, Cleveland, OH Add 44 Frequent PIK3CA Mutations in Radial Scars (296) K Wolters, D Ang, A Warrick, C Beadling, C Corless, M Troxell - Oregon Health & Science University, Portland, OR Add 45 Terminal Duct Lobular Units(TDLU) in the Nipple: Implications for Nipple-Sparing Mastectomy (NSM) (305) JY Yoon, ON Kryvenko, D Chitale, MW Lee - Henry Ford Hospital, Detroit Add 46 Clinical Outcome of Intracystic and Solid Papillary Carcinomas of the Breast (155) RG Gamez, S Narendra, A Nassar - Mayo Clinic, Rochester, MN Add 47 Expression of Androgen Receptor and Its Active (Phosphorylated) Forms in Breast Cancer Progression (246) Q Ren, S Jain, R Ruoff, L Zhang, V Reuter, J Melamed, M Garabedian, P Lee, S Logan - New York University School of Medicine, New York, NY; Memorial Sloan Kettering Cancer Center, New York, NY Add