Pathology residents, fellows, and practitioners will welcome this cytopathology review of carefully selected case scenarios drawn from the Johns Hopkins case archive. Each illustrated case scenario contains multiple-choice questions along with detailed explanations and references. Authored by distinguished faculty at John Hopkins University, the helpful review covers all major topics within cytopathology. Each clinical case scenario includes representative images and clinical history, diagnostic question, and detailed discussion supported by thoughtfully selected key references. Cases are presented in random order to maximize their teaching and review value and can also be accessed by method and site.