POSTER SESSION III Tuesday, March 1, 2005   —  9:30 AM - 12:00 Noon Convention Center, Exhibit Hall B DERMATOPATHOLOGY 58 Melanomas with and without Contiguous Nevi Have Different Clinicopathologic Features, Risk Factor Profiles, and Patterns of Site Specificity (395) NE Thomas, RL Barnhill, KL Brown, JL Johnson, JA Fine, M Berwick - University of North Carolina at Chapel Hill, Chapel Hill, NC; George Washington University, Washington, DC; University of Connecticut Health Center, Farmington, CT; Memorial Sloan-Kettering Cancer Center, New York, NY 59 "Stealth" Melanoma Cells; the Basis of Histology-Negative PCR-Positive Sentinel Nodes? (380) E Itakura, RR Huang, DR Wen, AJ Cochran - David Geffen School of Medicine at UCLA, Los Angeles, CA 60 Effect of Gleevec® (STI-571) on Melanoma Tissue (391) M Niveiro, AH Diwan, P Zhang, K Kim, VG Prieto - UT MD Anderson Cancer Center, Houston, TX 61 PNL2 - Immunohistochemical Characterization of a Novel Melanocyte Differentiation Marker (381) AA Jungbluth, D Kucugol, E Sato, D Frosina, KJ Busam - Ludwig Institute for Cancer Research, New York, NY; Memorial Sloan-Kettering Cancer Center, New York, NY 62 Differential Mutational Activation of the BRAF Oncogene in Desmoplastic and Non-Desmoplastic Cutaneous Melanomas (372) JM Davison, E Rosenbaum, TL Barrett, WH Westra - Johns Hopkins Medical Institutes; Johns Hopkins Medical Institutes; Johns Hopkins Medical Institutes, Baltimore, MD 63 Fatty Acid Synthase Expression in Melanocytic Lesions (382) P Kapur, D Rakheja, LC Roy, MP Hoang - University of Texas Southwestern Medical Center, Dallas, TX; Children's Medical Center, Dallas, TX 64 E-Cadherin Expression in Primary Malignant Melanoma with and without Sentinel Lymph Node Metastasis (371) G Cai, A Witkiewicz, EF Velazquez - New York University Medical Center, New York, NY 65 The Use of Immunohistochemical Studies in the Analysis of Sentinel Lymph Nodes in Patients with Melanoma—Is it Necessary? An Eight Year Follow-Up Study (377) LA Greene, WE Trotman, MF Evans, MW Bosenberg, DL Cook - University of Vermont, Fletcher Allen Health Care, Burlington, VT 66 How Many Negative Nodes Are Needed? The Poisson Paradigm and Sentinel Lymph Node Sampling in Malignant Melanoma (394) L Stewart, D Tyler, R Vollmer - Duke University Medical Center, Durham, NC; VAMC, Duke University Medical Center, Durham, NC 67 Sentinel Lymph Nodes Are Immunosuppressed Whether or Not They Contain Metastatic Melanoma (379) RR Huang, E Paul, LL Lin, DR Wen, E Itakula, AJ Cochran - David Geffen School of Medicine at UCLA; Klinikum Nurnberg, Germany 68 p63 Immunohistochemical Expression Is Helpful in Differentiating Merkel Cell Carcinoma from Histological Mimics (392) S Saeed, CA Keehn, EM Sagatys, FK Khalil, MB Morgan - University of South Florida, Tampa, FL 69 High Levels of MMP-7, TIMP3 and VEGF Correlate with Aggressive Behavior in Merkel Cell Carcinoma (389) E Musulen, MT Fernandez-Figueras, L Puig, M Gilaberte, G Tapia, FJ Sancho, A Ariza - Hospital Universitari Germans Trias i Pujol, Badalona, Spain; Hospital de la Santa Creu i Sant Pau, Badalona, Spain; Hospital del Mar, Badalona, Spain; Hospital de la Santa Creu i Sant Pau, Barcelona, Spain 70 Immunohistochemical Expression of Survivin in Sebaceous Lesions (384) FK Khalil, MB Morgan, EM Sagatys, S Saeed, HD Cualing - University of South Florida College of Medicine, Tampa, FL 71 Mucinous Carcinoma of the Skin, Primary and Secondary: A Study of 55 Cases Demonstrating a Morphologic Spectrum of Primary Cutaneous Mucinous Carcinoma Analogous to Mucinous Lesions in the Breast (383) DV Kazakov, S Suster, PE LeBoit, M Michal - Charles University, Pilsen, Czech Republic; Ohio State University Medical Center, Columbus, OH; University of California, San Francisco, CA 72 High Levels of Vascular Endothelial Growth Factor Receptors 2 and 3 (VEGFR2 and VEGFR3) Correlate with High Grade in Cutaneous Angiosarcomas (374) MT Fernandez-Figueras, JL Mate, L Puig, JM Fortea, M Goma, I Bielsa, A Ariza - Hospital Universitari Germans Trias i Pujol, Badalona, Spain; Hospital de la Santa Creu i Sant Pau, Badalona, Spain; Hospital General Universitari, Valencia, Spain 73 Identification of Amplified Clonal T-Cell Populations in Skin Biopsies from Patients with Graft Versus Host Disease (385) P Lal, B Chen, K Busam - Uinversity of Pennsylvania, Philadelphia, PA; Memorial Sloan-Kettering Cancer Center, New York, NY 74 Fluorescence In-Situ Hybridization Confirmation of Cutaneous Acute Promyelocytic Leukemia (396) JE Wrede, U Sundram, S Kohler, AM Cherry, DA Arber, TI George - Stanford University School of Medicine, Stanford, CA 75 Type VII Collagen in Alport Syndrome (376) K Giannakakis, A Onetti Muda, L Massella, G Rizzoni, S Feriozzi, T Faraggiana - La Sapienza University, Rome, Italy; Bambino Gesj Hospital - IRCCS, Rome, Italy; Belcolle Hospital, Viterbo, Italy