POSTER SESSION VI Wednesday, March 10, 2004   —  1:00 - 4:00 p.m. Exhibit Hall B and C BREAST PATHOLOGY 19 Long-Term Follow-Up of 843 Patients with Epithelial Atypia in Serially Sectioned Breast Lesions (105) I de Mascarel, G MacGrogan, V Picot, S Mathoulin-Pélissier - Institut Bergonié, Bordeaux, France 20 Histologic Features of Fibroepithelial Lesions of the Breast on Core Needle Biopsy That Require Surgical Excision (147) TJ Lawton, SN Agoff - University of Washington School of Medicine, Seattle, WA; Seattle Cancer Care Alliance, Seattle, WA 21 The Amount of Atypical Ductal Hyperplasia (ADH) on Core Biopsy of the Breast Correlates with Need for Surgical Excision (145) TJ Lawton, SE Hawes, SN Agoff - University of Washington School of Medicine, Seattle, WA; Seattle Cancer Care Alliance, Seattle, WA 22 Can Papillary Lesions of the Breast Be Adequately Diagnosed on Core Needle Biopsy? (146) TJ Lawton, SN Agoff - University of Washington School of Medicine, Seattle, WA; Seattle Cancer Care Alliance, Seattle, WA 23 Cystic Papillary Carcinomas and Solid Papillary Carcinomas of the Breast: In Situ or Invasive Lesions? (90) VP Carlo, H Hwang, T Barry, AM Gown, SJ Schnitt - Beth Israel Deaconess Medical Center, Boston, MA; Harvard Medical School, Boston, MA; PhenoPath Laboratories, Seattle, WA 24 Mammary Myoepithelial Cells and Prostatic Basal Cells: A Comparative Immunohistochemical Study (209) P Wen, ML Prasad - Ohio State University, Columbus, OH 25 Cross-Staining of Invasive Ductal Carcinomas by Myoepithelial Markers - A Tissue Microarray-Based Study (210) P Wen, C Morrison - Ohio State University, Columbus, OH 26 Diagnostic Utility of p75 Neurotrophin Receptor (p75NTR) as a Marker of Breast Myoepithelial Cells (176) NK Popnikolov, FU Garcia - Drexel University College of Medicine, Philadelphia, PA 27 Differential Expression of Non-Structure Restricted Proteins in Mammary Myoepithelial Cells: A Programmed or Induced Phenomenon? (154) YG Man, R Barner, R Vang, DT Wheeler, CY Liang, TN Vinh, GL Bratthauer, BL Strauss - Armed Forces Institute of Pathology and American Registry of Pathology, Washington, DC 28 A Comparison of the Diagnostic Usefulness of p63 and Smooth Muscle Myosin Heavy Chain (SMMHC) Immunohistologic Studies for Myoepithelial Cells (MEC) on Difficult Core Biopsies of the Breast (109) X Duan, GA Trucco, R Johnson, DJ Dabbs - Magee-Womens Hospital of UPMC, Pittsburgh, PA 29 Immunohistochemical Evaluation of Infiltrative-Pattern Sclerosing Adenosis of the Breast with Smooth Muscle Myosin Heavy Chain (185) JA Richmond, B Beatty, K Cooper, DL Weaver - Fletcher Allen Health Care; Vermont Cancer Center; University of Vermont College of Medicine, Burlington, VT 30 Muscle Specific Actin (HHF35) and P63 in the Diagnosis of Difficult Breast Lesions: When Is One Better Than the Other, and When Are They Useful in Combination? (141) M Koker, CG Kleer - University of Michigan, Ann Arbor, MI 31 Do Myoepithelial Cell Antibody Cocktails Improve the Detection of Myoepithelial Cells in Breast Lesions? (191) RA Schwartz, AM Gown, H Yaziji, SJ Schnitt - Beth Israel Deaconess Medical Center, Boston, MA; PhenoPath Laboratories, Seattle, WA 32 Myoepithelial Marker, p63, Is Useful for Distinguishing Traumatic Epithelial Displacement from Invasive Breast Carcinoma (192) T Scognamiglio, X Chen, M Rivera, SA Hoda, PP Rosen - Weill Medical College of Cornell University, New York, NY 33 Patterns of Immunoreactivity of Ductal Carcinoma In Situ (DCIS) and Correlation with Disease Recurrence (86) E Brogi, K VanZee, M Akram, KS Panageas, TK Lee - Memorial Sloan-Kettering Cancer Center, New York, NY 34 Predictors of Subsequent Invasion and Sentinel Lymph Node Metastases in Patients with Ductal Carcinoma In Situ Diagnosed upon Core Needle Biopsy (183) E Resetkova, N Sneige - The University of Texas M. D. Anderson Cancer Center, Houston, TX 35 A Decrease in Positive Margins in DCIS Specimens: Laboratory Handling or Larger Surgical Excisions? (163) KL Miller, JW Turner, RC Barrier, GS Leight, RW Clough, RG Prosnitz, LB Marks, RC Bentley - Duke University Medical Center, Durham, NC 36 Separate Sample Margins around Breast Lumpectomies for Predicting Residual Carcinoma (156) B Mascia, K Chu, S Tabbara - University of Virginia Health System, Charlottesville, VA; The George Washington University, Washington, DC 37 Genetic Nature of Multiple Foci of Lobular and Ductal In Situ Carcinoma of the Breast (207) M Volante, A Sapino, S Croce, G Bussolati - Institute of Pathology, Torino, Italy 38 S100A7 (Psoriasin) Expression in Ductal Carcinoma In-Situ (DCIS) of the Breast Is Associated with Aggressive Features and Alteration of Jab1 (110) ED Emberley, S Alowami, L Snell, LC Murphy, PH Watson - University of Manitoba, Winnipeg, MB, Canada; McMaster University, Hamilton, ON, Canada 39 b-Catenin Is as Reliable as E-Cadherin in the Distinction Between Ductal and Lobular Tumors of the Breast: A Comparative Study (213) H Yaziji, LC Goldstein, TS Barry, AW Hing, H Hwang, AM Gown - PhenoPath Laboratories and Immunocytochemistry Research Institute, Seattle, WA