The cytologic evaluation of exfoliative and fine needle aspiration material is one of the most widely used diagnostic modalities worldwide. Now thoroughly updated with new guidelines and references, and featuring more than 1,000 high-quality color photomicrographs, Differential Diagnosis in Cytopathology remains the essential organ-based reference guide for practicing and trainee pathologists and cytotechnologists. This new edition addresses a comprehensive variety of benign and malignant neoplastic conditions, utilizing a consistent structure with bullet-point text for quick access and assimilation. The full spectrum of infectious and inflammatory disorders are also presented in detail. The information is not limited to light microscopic findings but includes many other genetic, molecular, and immunologic diagnostic modalities, giving readers the diagnostic and clinical criteria needed when formulating a diagnosis and differential diagnosis. No other book focuses exclusively on essential diagnostic criteria, making this an essential text for pathologists, cytopathologists and cytotechnologists at all stages of their careers.