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Department of Pathology


David Ellison, MD, PhD

Departmental Focus

The Department of Pathology is committed to being an institutional leader in promoting St. Jude Children's Research Hospital's mission of providing quality care to children with catastrophic illnesses. The Department is dedicated to excellence in the delivery of clinical services, the advancement of biomedical research and diagnostic techniques, and the promotion of education and professional opportunities. The hope inherent in this commitment is that each of the elements will improve our patients’ quality of life as we work towards cures.

Contact Us

Department of Pathology
Room C5001
MS 250
262 Danny Thomas Place
Memphis, TN 38105-3678 USA
Phone: (901) 595-3533
Fax: (901) 595-3100

Preferred contact method: email


Armita Bahrami, MD  Pediatric bone and soft tissue tumors

John K. Choi, MD, PhD  Transcription factors in acute leukemias

James R. Downing, MD  The molecular pathology of acute leukemia

David W. Ellison, MD, PhD  Diagnosis and molecular classification of nervous system tumors

Terrence L. Geiger, MD, PhD   Immune system regulation and autoimmunity

Tanja A. Gruber, MD, PhD Pathogenesis of infantile leukemia

Randall T. Hayden, MD  Diagnostic microbiology of the immunocompromised host

Laura Janke, DVM, PhD  Pathology of genetically engineered mice

Jesse J. Jenkins, III, MD  Pathology diagnosis of childhood cancer

Jeffery M. Klco, MD, PhD  Genomic and functional characterization of acute myeloid leukemia

Mondira Kundu, MD, PhD  Autophagy regulation and relevance to cancer

Vasiliki Leventaki, MD  Mechanisms of pathogenesis in pediatric lymphomas

Michael M. Meagher, PhD Recombinant protein expression, purification and scale-up

Charles G. Mullighan, MBBS(Hons), MSc, MD  Genomics and modeling of leukemia

Leta K. Nutt, PhD Metabolic regulation of cancer cell death

Brent A. Orr, MD, PhD  Molecular classification of tumors of the nervous system 

Janet F. Partridge, PhD Chromosome segregation, heterochromatin assembly

Ching-Hon Pui, MD  Biology and treatment of childhood leukemias

Richard Rahija, DVM, PhD  Animal models of human disease; Pathogenesis of murine infectious diseases

Susana C. Raimondi, PhD  Application of conventional/molecular cytogenetics in neoplasia

Jerold E. Rehg, DVM  Comparative pathology of neoplasia and infectious diseases

Teresa Santiago, MD Laboratory quality improvement and assessment

Heather A. Tillman, DVM, DACVP Investigative pathology of human cancers

A. Peter Vogel, DVM, PhD  Pathology of animal models for human diseases

Gerard P. Zambetti, PhD p53 function in tumor suppression & tumorigenesis