SHORT COURSES Wednesday Afternoon - March 5, 1:30 AM - 5:30 PM 12 — Clinically Useful Gastrointestinal Biopsy Diagnosis: What do Gastroenterologists Want? 34 — The Large Blue Cell Tumor: Differential Diagnosis of High-Grade Hematologic Neoplasms 39 — Virtual Cytopathology Challenges for Practicing Pathologists 43 — Morphologic and Molecular Approach to Diagnostic Problems in Pulmonary Pathology 46 — Cutaneous Mesenchymal Tumors and Non-Mesenchymal Mimics: An Update and Approach to Diagnosis 52 — Soft Tissue Tumors in Children and Adolescents: A Morphologic Pattern-Oriented Approach with Molecular and Genetic Correlation.