Book excerpt: This thoroughly updated Second Edition provides a comprehensive review of the basic principles, clinical applications, and interpretation of flow cytometry results. Focusing on hematologic neoplasms, it covers current uses and applications while considering cost containment trends in healthcare. More than 30 complete clinical cases with detailed clinical histories, flow cytometric findings, morphologic illustrations, and other pertinent information on molecular biological techniques, cytochemistry, and cytogenetics provide readers with complete clinical information to assist in diagnosis, as well as to hone skills. The text also features 6 new leukemias/lymphomas and 94 new color illustrations, including color photographs of peripheral blood smears, bone marrow smears, bone marrow core biopsies, and histologic sections of lymph nodes, spleen, liver and solid tumors.