Her areas of clinical expertise include pathology and hematopathology, with a particular focus on diagnosing hematopoietic neoplasms.Dr. Duffield earned her M.D. and Ph.D. from the Yale University School of Medicine. She completed her residency at The Johns Hopkins Hospital and performed a fellowship in pathology at the Johns Hopkins Hospital.Dr. Duffield's research interests include the study of novel protein-protein interactions. She is currently identifying and investigating the functional significance of proteins that interact with receptor tyrosine kinase FMS-Like Tyrosine kinase 3 (FLT3) in hematopoietic and leukemic cells.Dr. Duffield serves on the M.D.-Ph.D. Advising Program and the Emerging Women's Leadership Program at the Johns Hopkins School of Medicine.