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


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
Penn Institute of Biomedical Informatics Junior Faculty Travel Award, 2016

Memberships and Professional Organizations

International Society for Laboratory Hematology (ISLH), 2016 - Present
International Council for Standardization in Haematology (ICHS), 2018 - Present
College of American Pathologists, 2018 - Present

Web Links

Selected Publications

Cytokine release syndrome associated with chimeric-antigen receptor T-cell therapy: clinicopathological insights

Obstfeld AE, Frey NV, Mansfield K, Lacey SF, June CH, Porter DL, Melenhorst JJ, Wasik MA, Blood 23(130): 2569-2572, 2017, PMID:29074500

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Gain of CD26 expression on the malignant T-cells in relapsed erythrodermic leukemic mycosis fungoides

Cedeno-Laurent F, Wysocka M, Obstfeld AE, Novoa RA, Vittorio CC, Kim EJ, Weng WK, Rook AH, J Cutan Pathol 44(5): , 2017, PMID:28083948

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Surgical Pathology Resident Rotation Restructuring at a Tertiary Care Academic Center.

Mehr CR, Obstfeld AE, Barrett AC, Montone KT, Schwartz LE, Acad Pathol, 2017, PMID:29209658

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A case report of catastrophic thrombosis, acquired sitosterolemia and hereditary xerocytosis in a 2 year-old girl after tumor resection.

Paessler M, Doshi B, Obstfeld AE, Helfrich M, Lambert MP, Annual Meeting of the International Society of Laboratory Hematology 2017, 2017

The morphologic spectrum of cells in peripheral blood in CART T-cell therapy for refractory B lymphoblastic leukemia

Obstfeld A, Helfrich M, Paessler M, International Society for Laboratory Hematology, 2017

Classification of Hypochromic Microcytic Anemia Using Machine Learning Techniques

Obstfeld AE, Lim D, Lambert MP, Paessler M, Annual Meeting of the International Society of Laboratory Hematology 2017, 2017

Prediction of Partial Thromboplastin Time (PTT) and Prothrombin Time (PT) on the Basis of Factor Assay Activities Using Data from a Clinical Data Warehouse

Obstfeld AE, Lambert MP, XXVI Congress of the International Society on Thrombosis and Haemostasis and 63rd Annual Scientific and Standardization Committee (SSC) Meeting., 2017

Predicting the Diagnosis of a Myelodysplastic Syndrome Using Complete Blood Count and Cell Population Data Prior To Bone Marrow Biopsy

Obstfeld AE, Velu P, Sadigh S, Raess PW, Bagg A, MDS Foundation Meeting 2017, 2017

Manual Gating of Sysmex XN Scattergram Data for Accurate Reticulocyte and WBC Count Determinations.

Obstfeld AE, Lim D, Lambert MP, Paessler M, Annual Meeting of the International Society of Laboratory Hematology 2017, 2017

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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