This extensive revision covers the rapidly changing field of pathology in a concise, manageable review format. The tenth edition now reflects the current changes in the USMLE Step 1, and includes selected questions that reflect current concepts and controversies in laboratory medicine. Basic morphologic alterations, currently accepted pathogenetic mechanisms of disease processes, and practical problems that confront the average physician in the practice of medicine - either in a hospital or research setting - are stressed.Features:Added questions with clinical applications Reflects the pathology and content outline of the USMLE AIDS and HIV photos and questions Answers include detailed explanations and references to major textbooks.