Amrom Obstfeld, MD, PhD

Assistant Professor of Clinical Pathology and Laboratory Medicine
University of Pennsylvania Perelman School of Medicine
Assistant Director of Hematology and Coagulation Laboratories
Children's Hospital of Philadelphia

Contact InformationDepartment of Pathology and Laboratory Medicine
Children's Hospital of Philadelphia
5th Floor Building - 5199C
3401 Civic Center Boulevard
Philadelphia, PA 19104
Office: 267-426-7491
Fax: 215-590-1736

Specialty Division

Laboratory Medicine


B.A. (Biology, Asian and Middle Eastern Studies), University of Pennsylvania, 2003.
Ph.D. (Physiology), Columbia University, 2010.
M.D., College of Physicians and Surgeons, Columbia University, 2012.

Specialty Certification

American Board of Pathology, 2015

Postgraduate Training

Pathology and Laboratory Medicine, Hospital of the University of Pennsylvania, 2012-2015

Awards and Honors

Magna Cum Laude, University of Pennsylvania, 2003
MD/PhD Symposium Award, Columbia University, 2007
Immunology Retreat 2nd Place Poster Prize, Columbia University, 2008
Student Research Day MD/PhD Award, Columbia University, 2010
Doctor Harold Lee Meierhof Memorial Prize for outstanding achievement in Pathology, Columbia University, 2012
The Leonard Berwick Residency Training Award, Perelman School of Medicine at the University of Pennsylvania, 2015

Memberships and Professional Organizations

International Society for Laboratory Hematology (ISLH), 2016 - Present

Web Links

Selected Publications

Utility of Extended Reticulocyte Indices in the Diagnosis of Parvovirus Infection Induced Red Cell Aplasia in Sickle Cell Disease

Amrom Obstfeld, Derick Lim, Michele Lambert, Michele Paessler, XXIX International Symposium on Technical Innovations in Laboratory Hematology, 2016

Persistence of long-lived plasma cells and humoral immunity in individuals responding to CD19-directed CAR T-cell therapy

Bhoj VG, Arhontoulis D, Wertheim G, Capobianchi J, Callahan CA, Ellebrecht CT, Obstfeld AE, Lacey SF, Melenhorst JJ, Nazimuddin F, Hwang WT, Maude SL, Wasik MA, Bagg A, Schuster S, Feldman MD, Porter DL, Grupp SA, June CH, Milone MC, Blood 128(3): 360-370, 2016, PMID:27166358

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Lupus-like eruption as the presenting sign of acute myeloblastic leukemia.

Cedeno-Laurent F, Obstfeld A E, Boni A, Lipoff J B, Lupus 3(): 312-4, 2016, PMID:26466615

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The Creation and Implementation of a Points-Based System for Distributing Specimens to Residents at a Tertiary Care Academic Residency Program

Mehr C, Obstfeld A, LiVolsi V, Furth E, Litzky L, Montone K and Schwartz L.,, The United States and Canadian Academy of Pathology National Meeting, 2016

Pleural mass forming extramedullary hematopoiesis masquerading as a malignant neoplasm.

Meykler Simon, Obstfeld Amrom, Jhala Nirag, Vergara Norge, Gupta Prabodh K, Diagnostic Cytopathology 43(12): 996-9, 2015, PMID:26303071

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Significance of Extramedullary Hematopoiesis in Non-Hepatosplenic Sites

Obstfeld AE, Meykler S, Jhala N, Vergara N, USCAP National Meeting; Boston, Massachusetts, 2015

Optimizing Specimen Distribution for Residency Training in Sub-Speciality Based Surgical Pathology Rotation in a Tertiary Care Academic Center.

Mehr C, Obstfeld A, LiVolsi V, Furth E, Litzky L, Montone K and Schwartz L., American Society of Clinical Pathology, 2015

Refractory Cytokine Release Syndrome in Recipients of Chimeric Antigen Receptor (CAR) T Cells

3. Frey NV, Levine BL, Lacey SF, Grupp SA, Maude SL, Schuster SJ, Shaw P, Hwang WT, Wasik MA, Obstfeld AE, Leung M, Shen A, Ericson SG, Melenhorst JJ, June CH, Porter D, American Society of Hematology Annual Meeting and Exposition; San Francisco, California, 2014

C-C chemokine receptor 2 (CCR2) regulates the hepatic recruitment of myeloid cells that promote obesity-induced hepatic steatosis.

Obstfeld AE1, Sugaru E, Thearle M, Francisco AM, Gayet C, Ginsberg HN, Ables EV, Ferrante AW Jr, Diabetes 59(4): 916-925, 2010, PMID:20103702

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Obesity Induced Hepatic Myeloid Cells Modulate Liver Steatosis. Keystone Symposia on Molecular and Cellular Biology: The Macrophage: Intersection of Pathogenic and Protective Inflammation

Obstfeld AE, Sugaru E, Ferrante AW, The Macrophage: Intersection of Pathogenic and Protective Inflammation; Alberta, Canada, 2010

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