Ivo Mauricio Barbosa Francischetti, M.D., Ph.D.

Headshot of Ivo Mauricio Barbosa Francischetti
  • Director, Hematology and Coagulation Laboratory
  • Assistant Professor of Pathology

Languages: English, French, Portuguese


Ivo M.B. Francischetti, M.D., Ph.D., is an assistant professor of pathology at the Johns Hopkins University School of Medicine. His area of clinical expertise is hematology, coagulation and hematopathology. Dr. Francischetti received his M.D. and Ph.D. from the Federal University of Rio de Janeiro. After moving to the United States, he worked as staff scientist at the National Institute of Allergy and Infectious Diseases (NIAID)/National Institutes of Health (NIH), in vascular biology, vector and molecular biology, and cerebral malaria. He completed his residency training in anatomic and clinical pathology at Albert Einstein College of Medicine/Montefiore Medical Center in New York, followed by a fellowship in hematopathology at the National Cancer Institute. Dr. Francischetti joined the faculty in July 2020, and as Director of the Hematology and Coagulation Laboratory in 2021. He envisions applying his clinical expertise in coagulation and hematopathology in the study of bone marrow and hematolymphoid neoplasms. He has published several peer-reviewed publications, review articles and book chapters and has served as a Chair of an educational subcommittee of the International Society of Thrombosis and Haemostasis (ISTH). He is currently a member of Hematology and Pathology Societies.

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  • Director, Hematology and Coagulation Laboratory
  • Assistant Professor of Pathology

Departments / Divisions

  • Pathology - Hematologic Pathology



  • MD; Universidade Federal do Rio De Janeiro (1995)


  • Pathology - Anatomic & Clinical; Montefiore Medical Center (2018)


  • Hematopathology; National Institutes of Health (2019)

Board Certifications

  • American Board of Pathology (Anatomic & Clinical Pathology) (2018)
  • American Board of Pathology (Hematopathology) (2019)

Research & Publications

Selected Publications

Pittaluga S, Francischetti IM, Song JY, Jaffe ES. Chapter 78: Lymphomas. In: Clinical Immunology, 6th Edition. Eds., Robert R Rich et al. Elsevier, 2022.

Francischetti IM, Toomer V, Zhang Y, Jani J, Siddiqui Z, Brotman DJ, Hooper JE, Kickler TS. Upregulation of pulmonary tissue factor, loss of thrombomodulin and immunothrombosis in SARS-CoV-2 infection. E Clinical Medicine 2021 Sep;39:101069

Obiorah, IE,  Francischetti  IM, Wang H-W, Ahn IE, Wang W, Raffeld M, Kreitman RJ, Wiestner A, Calvo KR. Concurrent chronic lymphocytic leukemia/small lymphocytic lymphoma and hairy cell leukemia: clinical, pathologic and molecular features. Leuk Lymphoma 2020 Aug 5; 1-11

Schechter ME, Andrade BB, He T, Richter GH, Tosh KW, Policicchio BB, Singh A, Raehtz KD, Sheikh V, Ma D, Brocca-Cofano E, Apetrei C, Tracy R, Ribeiro RM, Sher A, Francischetti IMB, Pandrea I, Sereti I. Inflammatory monocytes expressing tissue factor drive SIV and HIV coagulopathy. Sci Transl Med. 2017 Aug 30;9(405)

Francischetti IM, Valenzuela JG, Andersen JF, Mather TN, Ribeiro JM. Ixolaris, a novel recombinant tissue factor pathway inhibitor (TFPI) from the salivary gland of the tick, Ixodes scapularis: identification of factor X and factor Xa as scaffolds for the inhibition of factor VIIa/tissue factor complex. Blood. 2002 May 15;99(10):3602-12

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