POSTER SESSION III Tuesday, March 25, 2003   —  9:30 AM - 12:00 Noon Exhibit Hall A - C PULMONARY PATHOLOGY 196 Lymphohistiocytoid Mesothelioma: A Series of 21 Cases (1402) F Galateau-Salle, JM Vignaud, l Burke, G Launoy, I Abdalsamad, E Brambilla, F Capron, AY deLajartre, A de Mascarel, L Garbe, O Groussard, L Guillou, JM Piquenot, F Thivolet, JC Pairon, P Brochard, A deQuillacq, M Goldberg CHU Caen, Caen, Normandy, France; Hopital Saint Maurice, Paris, France 197 Peripheral Sarcomatoid (Spindle Cell/Pleomorphic) Carcinoma of Lung: Propensity for Pleural and Chest Wall Invasion and Immunoprofile Indistinguishable from Sarcomatoid Mesothelioma (1419) DR Lucas, HI Pass, F Lonardo Wayne State University, Detroit, MI 198 Alternative Epithelial Markers MOC-31 and TTF-1 in Sarcomatoid Carcinomas of the Lung (1415) JS Lewis, Jr, JH Ritter Washington University, St. Louis, MO 199 Synchronous Pulmonary Adenocarcinoma and Pleural Mesothelioma: Unexpected Problems in Differential Diagnosis (1390) TC Allen, A Churg, C Moran, NG Ordonez, PT Cagle Baylor College of Medicine, Houston, TX; University of British Columbia, Vancouver, BC, Canada; University of Texas Medical School at Houston, Houston, TX 200 A Clinicopathologic, Immunohistochemical, and Genetic Study of Primary Pleuropulmonary Synovial Sarcoma and Mesothelioma (1391) TC Allen, A Haque, A Churg, J Mody, PT Cagle Baylor College of Medicine, Houston, TX; University of Texas Medical Branch, Galveston, TX; University of British Columbia, Vancouver, BC, Canada 201 Clinicopathologic and Immunohistologic Comparison of Monophasic and Biphasic Primary Pulmonary Synovial Sarcomas (1396) N Boroumand, T Allen, L Wang, P Adegboyega, P Cagle, A Haque University of Texas Medical Branch, Galveston, TX; Baylor College of Medicine, Houston, TX 202 Localized Fibrous Tumors (LFT) of the Pleura: A Clinicopathologic Study of 217 Cases (1422) H Minato, T Fujii, D Hayden, T Franks, R Falk, WD Travis Armed Forces Institute of Pathology, Washington, DC; National Cancer Institute, Bethesda, MD 203 C-Kit, TGF-$ Receptor 1, and IGF-" Receptor 1 Expression in Benign and Malignant Solitary Fibrous Tumors of the Lung (1387) BP Adley, A Yeldandi, W Laskin Northwestern University, Chicago, IL 204 EGFR Amplification in the Thymic Epithelial Tumors (1406) D Ionescu, K Cieply, S Dacic University of Pittsburgh Medical Center, Pittsburgh, PA 205 Lack of Bacterial Pathogen Detected by PCR Amplification of the 16S rRNA in Seven Cases of Primary Pulmonary Lymphoma of Malt Type (1410) M Kambouchner, C Poyart, D Valeyre, E Abachin, A Martin Avicenne Hospital, Bobigny, France; Necker Hospital, Paris, France 206 Pulmonary Meningothelial-Like Nodules-A Genotypic Comparison with Meningiomas (1407) DN Ionescu, BI Omalu, SD Finkelstein, PA Swalsky, C Trusky, D Lomago, SA Yousem University of Pittsburgh, Pittsburgh, PA