Rajeswari Jayakumar, MD
Director of Flow Cytometry; Hematopathology; Assistant Professor
Department: Pathology
Phone: (804) 628-1347
Fax: (804) 828-2812
Email: Rajeswari.Jayakumar@vcuhealth.org
Rajeswari Jayakumar, MD is the Director of Flow Cytometry and an assistant professor of pathology at Virginia Commonwealth University Health System.
Dr. Jayakumar graduated from Chengalpattu Medical College and completed a specialty training in laboratory Medicine (MD) at All India Institute of Medical Sciences in India. She practiced in India until she moved to United States to pursue Residency in Anatomic and Clinical Pathology. She completed her residency from SUNY Downstate Medical Center in Brooklyn, New York. During her residency, she also served as Chief Resident for a year. She then received fellowship training in Hematopathology from the Johns Hopkins University School of Medicine.
Her clinical and research interests are benign and malignant Hematopathology with a special interest in Flow cytometry. She has authored two text books on flow cytometry. She loves teaching and working with medical students, residents and fellows.
Clinical Specialties: Hematopathology
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Dr. Rajeswari Jayakumar abbreviated CV
Education
2002 - 2008 MBBS - Chengalpattu Medical College, India
2009 - 2012 MD Laboratory Medicine - ALL India Institute of Medical Sciences, India
2015 - 2019 AP/CP Residency - SUNY Downstate Medical Center, NY
2019 - 2020 Hematopathology Fellowship - John Hopkins University School of Medicine
Licenses & Certifications
2020 American Board of Pathology - Hematopathology
2019 American Board of Pathology - Anatomic and Clinical pathology
Awards
2026 Virginia Top Docs Pathology, Virginia Business Magazine, Richmond, Virginia
2026 American Society for Clinical Pathology Best poster award in Case Studies category
2025 AP/CP Saul Kay Teaching Award, VCU Pathology Department
2022 American Society for Clinical Pathology - 40 Under Forty
Editorial Advisory Boards
Diagnostic Pathology: Section Editor for Hematopathology
Professional Service (outside)
2024 – present Video Subcommittee, International Clinical Cytometry Society
2023 – present Education committee, International Clinical Cytometry Society
2023 – present Outreach Committee, International Clinical Cytometry Society
Recent Invited Presentations
2026 Acute Myeloid Leukemia – The WHO5 and ICC perspectives, Department of Pathology, SUNY Downstate Medical Center, NY
2025 Flow cytometry in Acute leukemias, Department of Pathology, The University of Tennessee Health Sciences Center
2024 Flow cytometry in acute myeloid leukemia with recurrent genetic abnormalities, Department of pathology and Oncology, Veteran Affairs Hospital, Richmond, VA
2024 Flow cytometry in Acute leukemias, Department of pathology, SUNY Downstate Medical Center, NY
2023 Benign lymphadenopathies, Department of pathology, SUNY Downstate Medical Center, NY
2023 Immunophenotyping in Acute Myeloid Leukemia, Blood Academy
2023 Flow cytometry board review, Ace My Path
2023 Review of Anemias, Ace My Path
2021 Flow Cytometry Course for hematopathologists, Ace My Path (Available for free in YouTube)
2021 Flow Cytometry in the Diagnosis of Acute Leukemia, Department of pathology, SUNY Downstate Medical Center, NY
2019 Bunch of Uncommons, Department of Hematopathology, Roswell Park Comprehensive Cancer Center, NY
Selected Publications
Peer Reviewed Papers
Sirotnikov S, Jayakumar R, Park S, Cheng J. Histiocytic Sarcoma Arising from Pediatric Rosai Dorfman Disease: Two Novel Cases and Literature Review Pediatr Dev Pathol. 2026 Jan 30:10935266251413973.
Wirk B, Jayakumar R, Lim J. Phosphatidylinositol 3-Kinase Inhibition and Allogeneic Stem Cell Transplantation Can Overcome Chemotherapy Resistance in Refractory Burkitt Lymphoma. J Hematol. 2025 Mar;14(2):94-99. doi: 10.14740/jh2043. Epub 2025 Mar 18. Anderson, M, Jayakumar, R (2024). Recent Advances in the Molecular Pathogenesis and Diagnosis of Chronic Myelomonocytic Leukemia. Advances in Molecular Pathology. 7. 10.1016/j.yamp.2024.07.001.
Mukhopadhyay T, Shekhar S, Chopra P, Patil P, Jayakumar R, Sehgal T, Meena S, Ningombam A, Shah V, Kumar P, Datta S, Mathur P, Subramanian A, Sinha S, Mukhopadhyay A. Medical postgraduate (MD) program in Laboratory Medicine in India: The Past, Present and Future. Journal of Family Medicine and Primary Care: May 2022 - Volume 11 - Issue 5 - p 1633-1641 doi: 10.4103/jfmpc.jfmpc_1334_21.
Jayakumar R. Common Targeted Therapies in Acute Leukemia Requiring Modification of Practice in Hematopathology. J 21st century pathology; 2021,1(1).
Lanjewar S, Jayakumar R, Axiotis CA. Loss of Placental P-Glycoprotein May Be a Common Pathophysiologic Pathway for First Trimester Spontaneous Miscarriages. Pediatric and Developmental Pathology 2019, 22(5), 456–460.
Pereda M, Issac J, Zhang Y, Jayakumar R, Gupta, R, Miller S. Massive Splenic Infarction in a Child with Sickle Cell Disease on Chronic Transfusion Therapy- Case Report and Review of Literature, J Pediatr Hematol Oncol 2019;41:e79–e82.
Jayakumar R, Lanjewar S, Axiotis CA. Loss of PTEN and Increased pAKT Expression Distinguishes Aggressive Low Grade Neuroendocrine Tumors. Ann Clin Lab Sci. 2018 Sep;48(5):565-572.
Jayakumar R, Cassai N, Laskar D , Khurram N, LaDoulis C, Wieczorek R, Pincus MR. Can Whole Slide Imaging Replace Conventional Microscopic Evaluation? A Comparative Study over a Spectrum of Cases. DOI: 10.24983/scitemed.jacp.2018.00060.
Jayakumar R, Basu PP, Huang T, Axiotis CA. Post Irradiation Leiomyosarcoma of Rectum Presenting as a Polyp: A Case Report and Review of the Literature. Int J Surg Pathol. 2016 Apr; 24(2):163-169.
Book Chapters and Monographs
Jayakumar R., Shirai C and Deeb G. What Are CD11b And CD11c and What Are Their Utility in The Clinical Flow Cytometry Assessment for Hematologic Neoplasms? Ask an expert column in ICCS. Mar 2024.
Jayakumar R., Wake L. Large B Cell Lymphoma with IRF4 rearrangement. Precision Molecular Pathology of Aggressive B-Cell Lymphomas. Feb 2024.
Jayakumar R. T-cell lymphoma. Ace The Boards Neoplastic Hematopathology. Second Edition. March 2024.
Jayakumar R. Multiple Chapters in Ace My Path Flow Cytometry. First Edition. Mar 2022.
Editor of the book, Ace My Path Flow Cytometry, Published March 2022.
Editor of the book, Ace My Path Flow Cytometry Course Cases, published Oct 2021.
Media
Jayakumar R. Multiple Chapters in Ace My Path Flow Cytometry. First Edition. Mar 2022.
March 2022 Path pod episode
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