This review book provides an educational resource and serves as an invaluable aid for the following: Supplement to standard cytopathology textbooks. Study guide for pathology residents preparing for in-service examinations and the Anatomic Pathology board examination conducted by the American Board of Pathology. Review for cytopathology fellows preparing for the Cytopathology board examination conducted by the American Board of Pathology. Review and update for practicing cytopathologists preparing for the Cytopathology board recertification.