Dr. Dita Gratzinger is a hematopathologist who is dedicated to excellent patient care, to educating the hematopathologists of tomorrow, and to improving both by harnessing strengths across institutional and disciplinary lines. Dr. Gratzinger studies the architecture of supporting cells in the microenvironment as well as diagnosis of lymphoma on small volume specimens, and has a special interest in the role of patient-specific factors in manifestation of hematolymphoid disease, including immunodeficiency and dysregulation-related lymphoid proliferations.