POSTER SESSION IV Tuesday, March 4, 2008   —  1:00 PM - 4:30 PM 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... ULTRASTRUCTURAL Poster# Title and Authors Itinerary Planner 233 Ultrastructural Characterization of Amyloidoma by Scanning and Transmission Electron Microscopy (1703) CA Garcia, SI Gamb, DV Miller - University of Illinois - Peoria, Peoria, IL; Mayo Clinic, Rochester, MN Add 234 Use of Electron Microscopy in Core Biopsy Diagnosis of Oncocytic Renal Tumors (1702) NA Belsley, MM Johnson, MK Selig, GP Nielsen - Beth Israel Deaconess Hospital, Boston; Massachusetts General Hospital, Boston Add 235 Uterine Tumors Resembling Ovarian Sex Cord Stromal Tumors: An Ultrastructural Analysis of 13 Cases (1704) M Gupta, MK Selig, E Oliva, GP Nielsen - DHMC, Lebanon, NH; MGH, Boston, MA Add 236 Tissue Distribution of Treponema Pallidum in Primary and Secondary Syphylis: An Ultrastructural Study (1707) N Juanpere, G Martin-Ezquerra, A Fernandez-Casado, L Magan, MA Garcia, C Barranco, S Serrano, RM Pujol, J Lloreta - Hospital del Mar, Barcelona, Spain; UAB, Barcelona, Spain; Universitat Pompeu Fabra, Barcelona, Spain Add 237 Calcifying Fibrous (Pseudo)Tumor: Review of Histopathologic, Immunocytochemical and Ultrastructural Features (1705) J Hicks, G Mierau - Texas Children's Hospital, Baylor College of Medicine, Houston, TX; The Children's Hospital, Denver, CO Add 238 Infantile Rhabdomyofibrosarcoma: Variant of Congenital Infantile Fibrosarcoma (1706) J Hicks, M Lovell, G Mierau - Texas Children's Hospital, Baylor College of Medicine, Houston; The Children's Hospital, Denver Add