Director of Electron Microscopy
Pediatric Pathologist
Attending Physician

Assistant Professor of Clinical Pathology, Keck School of Medicine of USC
  • Summary
  • Publications
  • Locations

Clinical Interests

Dr. Warren is board certified in Anatomical and Clinical Pathology, Pediatric Pathology and Molecular Genetic Pathology. In addition to making diagnosis on routine surgical specimens, she is also specialized to read kidney biopsy and perform electron microscopic examination. Her research interests include general pediatric pathology, cancer genetics and transplant pathology.  


Medical School: 

Yamaguchi University, School of Medicine


University of Hawaii School of Medicine


Baylor College of Medicine, Texas Children's Hospital



American Board of Pathology: Anatomic Pathology, Clinical Pathology and Pediatric Pathology, Molecular Genetic Pathology

Professional Memberships: 
  • College of American Pathology
  • United States & Canadian Academy of Pathology
  • Association of Molecular Pathology
  • Society for Pediatric Pathology
  • Society of Ultrastructural Pathology

Jodele S, Dandoy CE, Lane A, Laskin BL, Teusink-Cross A, Myers KC, Wallace GH, Nelson A, Bleesing J, Chima RS, Hirsch R, Ryan TD, Benoit SW, Mizuno K, Warren M, Davies SM. Complement blockade for TA-TMA: lessons learned from large pediatric cohort treated with eculizumab. Blood. 2020 Jan 13;. doi: 10.1182/blood.2019004218. [Epub ahead of print] PubMed PMID: 31932840.

Warren M, Shimura M, Wartchow EP, Yano S. Use of electron microscopy when screening liver biopsies from neonates and infants: experience from a single tertiary children's hospital (1991-2017). Ultrastruct Pathol. 2020 Jan 3;:1-10. doi: 10.1080/01913123.2019.1709934. [Epub ahead of print] PubMed PMID: 31900039.

Warren M, Hiemenz MC, Schmidt R, Shows J, Cotter J, Toll S, Parham DM, Biegel JA, Mascarenhas L, Shah R. Expanding the spectrum of dicer1-associated sarcomas. Mod Pathol. 2020 Jan;33(1):164-174. doi: 10.1038/s41379-019-0366-x. Epub 2019 Sep 19. PubMed PMID: 31537896.

Mahajan N, Warren M, Yano S. Reduction of large soft-tissue Gaucheromas with substrate reduction therapy. J Inherit Metab Dis. 2019 Nov 9;. doi: 10.1002/jimd.12188. [Epub ahead of print] PubMed PMID: 31705761.

Narang A, Xi D, Mitsinikos T, Genyk Y, Thomas D, Kohli R, Lin CH, Soufi N, Warren M, Merritt R, Yanni G. Severe Late-Onset Acute Cellular Rejection in a Pediatric Patient With Isolated Small Intestinal Transplant Rescued With Aggressive Immunosuppressive Approach: A Case Report. Transplant Proc. 2019 Nov;51(9):3181-3185. doi: 10.1016/j.transproceed.2019.08.012. PubMed PMID: 31711586.

4650 Sunset Blvd.
Los Angeles, CA 90027
Phone: 323-361-2069Office