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Bob Ohgami, MD, PhD

Title(s)Assoc.Prof. Clinical Pathology, Pathology
SchoolSchool of Medicine
EmailRobert.Ohgami@ucsf.edu
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    Collapse Biography 
    Collapse Education and Training
    Princeton UniversityAB2000
    Harvard University PhD2006Cell and Developmental Biology
    Harvard UniversityMD2008
    MITMD (HST program)2008
    Collapse Awards and Honors
    Society for Hematopathology2016Berard-Dorfman Founders Award
    Stanford University2016AP Faculty Teaching Award
    Stanford University2014CP Faculty Teaching Award
    College of American Pathologists2012College of American Pathologists Scholars Research Fellowship
    Harvard University2008cum laude
    NIH2006Ruth L. Kirschstein National Research Service Award
    Princeton University2000summa cum laude
    Princeton University2000Phi Beta Kappa
    Princeton University2000George Khoury ’65 Senior Prize for Academic Excellence
    Princeton University 1998President's Award for Academic Excellence
    Princeton University1997Pyka Prize for Excellence in Physics

    Collapse Overview 

    Collapse ORNG Applications 
    Collapse Featured Publications
    Collapse Websites

    Collapse Bibliographic 
    Collapse Publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
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    1. Kumar J, Butzmann A, Wu S, Easly S, Zehnder JL, Warnke RA, Bangs CD, Jangam D, Cherry A, Lau J, Nybakken G, Ohgami RS. Indolent In Situ B-Cell Neoplasms With MYC Rearrangements Show Somatic Mutations in MYC and TNFRSF14 by Next-generation Sequencing. Am J Surg Pathol. 2019 Dec; 43(12):1720-1725. PMID: 31368914.
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    2. Hoffmann JC, Lin CY, Bhattacharyya S, Weinberg OK, Chisholm KM, Bayerl M, Cascio M, Venkataraman G, Allison K, Troxell M, Chang CC, Bagg A, George TI, O'Malley D, Ohgami RS. Rosai-Dorfman Disease of the Breast With Variable IgG4+ Plasma Cells: A Diagnostic Mimicker of Other Malignant and Reactive Entities. Am J Surg Pathol. 2019 Dec; 43(12):1653-1660. PMID: 31436555.
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    3. Sridhar K, Singh A, Butzmann A, Jangam D, Ohgami RS. Molecular genetic testing methodologies in hematopoietic diseases: current and future methods. Int J Lab Hematol. 2019 May; 41 Suppl 1:102-116. PMID: 31069972.
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    4. Thauland TJ, Pellerin L, Ohgami RS, Bacchetta R, Butte MJ. Case Study: Mechanism for Increased Follicular Helper T Cell Development in Activated PI3K Delta Syndrome. Front Immunol. 2019; 10:753. PMID: 31031754.
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    5. Lezama L, Ohgami RS. Expounding on the essence of epigenetic and genetic abnormalities in blastic plasmacytoid dendritic cell neoplasms. Haematologica. 2019 Apr; 104(4):642-643. PMID: 30930334.
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    6. Li P, Shahmarvand N, Lynch D, Gotlib JR, Merker JD, Zehnder JL, George TI, Ohgami RS. Revisiting diagnostic criteria for myelodysplastic/myeloproliferative neoplasms with ring sideroblasts and thrombocytosis: Borderline cases without anemia exist. Int J Lab Hematol. 2019 Jun; 41(3):345-352. PMID: 30811101.
      View in: PubMed
    7. Singh A, Ohgami RS. Super-Resolution Digital Pathology Image Processing of Bone Marrow Aspirate and Cytology Smears and Tissue Sections. J Pathol Inform. 2018; 9:48. PMID: 30662794.
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    8. Farris M, Hughes RT, Lamar Z, Soike MH, Menke JR, Ohgami RS, Winkfield K. Histiocytic Sarcoma Associated With Follicular Lymphoma: Evidence for Dramatic Response With Rituximab and Bendamustine Alone and a Review of the Literature. Clin Lymphoma Myeloma Leuk. 2019 01; 19(1):e1-e8. PMID: 30396823.
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    9. Mi X, Griffin G, Lee W, Patel S, Ohgami R, Ok CY, Wang S, Geyer JT, Xiao W, Roshal M, Garcia JS, Silverman LB, Sallan SE, Aster JC, Harris MH, Weinberg OK. Genomic and clinical characterization of B/T mixed phenotype acute leukemia reveals recurrent features and T-ALL like mutations. Am J Hematol. 2018 11; 93(11):1358-1367. PMID: 30117174.
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    10. Ustun C, Morgan E, Moodie EEM, Pullarkat S, Yeung C, Broesby-Olsen S, Ohgami R, Kim Y, Sperr W, Vestergaard H, Chen D, Kluin PM, Dolan M, Mrózek K, Czuchlewski D, Horny HP, George TI, Kristensen TK, Ku NK, Yi CA, Møller MB, Marcucci G, Baughn L, Schiefer AI, Hilberink JR, Pullarkat V, Shanley R, Kohlschmidt J, Coulombe J, Salhotra A, Soma L, Cho C, Linden MA, Akin C, Gotlib J, Hoermann G, Hornick J, Nakamura R, Deeg J, Bloomfield CD, Weisdorf D, Litzow MR, Valent P, Huls G, Perales MA, Borthakur G. Core-binding factor acute myeloid leukemia with t(8;21): Risk factors and a novel scoring system (I-CBFit). Cancer Med. 2018 09; 7(9):4447-4455. PMID: 30117318.
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    11. Sumarriva Lezama L, Chisholm KM, Carneal E, Nagy A, Cascio MJ, Yan J, Chang CC, Cherry A, George TI, Ohgami RS. An analysis of blastic plasmacytoid dendritic cell neoplasm with translocations involving the MYC locus identifies t(6;8)(p21;q24) as a recurrent cytogenetic abnormality. Histopathology. 2018 Nov; 73(5):767-776. PMID: 29884995.
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    12. Lau H, Nagy A, Atwater SK, Cascio MJ, Ohgami RS. An integrated flow cytometry analysis of 286 mature B cell neoplasms identifies CD13 as a useful marker for diagnostic subtyping. Int J Lab Hematol. 2018 Dec; 40(6):715-720. PMID: 30066366.
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    13. Gars E, Purington N, Scott G, Chisholm K, Gratzinger D, Martin BA, Ohgami RS. Bone marrow histomorphological criteria can accurately diagnose hemophagocytic lymphohistiocytosis. Haematologica. 2018 10; 103(10):1635-1641. PMID: 29903767.
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    14. Nagy A, Bhaduri A, Shahmarvand N, Shahryari J, Zehnder JL, Warnke RA, Mughal T, Ali S, Ohgami RS. Next-generation sequencing of idiopathic multicentric and unicentric Castleman disease and follicular dendritic cell sarcomas. Blood Adv. 2018 03 13; 2(5):481-491. PMID: 29496669.
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    15. Shahmarvand N, Nagy A, Shahryari J, Ohgami RS. Mutations in the signal transducer and activator of transcription family of genes in cancer. Cancer Sci. 2018 Apr; 109(4):926-933. PMID: 29417693.
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    16. Ohgami RS, Rosenwald A, Bagg A. Next-Generation Sequencing for Lymphomas: Perfecting a Pipeline for Personalized Pathobiologic and Prognostic Predictions. J Mol Diagn. 2018 03; 20(2):163-165. PMID: 29355824.
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    17. Lo C, Alvarez E, Ohgami RS, Jeng M. Case Report: Clinical Variation in Children With Thrombopoietin Receptor (C-MPL) Mutations: Report of 2 Cases. J Pediatr Hematol Oncol. 2018 01; 40(1):67-70. PMID: 28859041.
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    18. Kunder C, Cascio MJ, Bakke A, Venkataraman G, O'Malley DP, Ohgami RS. Predominance of CD4+ T Cells in T-Cell/Histiocyte-Rich Large B-Cell Lymphoma and Identification of a Subset of Patients With Peripheral B-Cell Lymphopenia. Am J Clin Pathol. 2017 Jun 01; 147(6):596-603. PMID: 28575178.
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    19. Hoffmann J, Ohgami RS. Hematolymphoid lesions of the breast. Semin Diagn Pathol. 2017 Sep; 34(5):462-469. PMID: 28662998.
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    20. Chung A, Hou Y, Ohgami RS, Von Gehr A, Fisk DG, Roskin KM, Li X, Gojenola L, Bangs CD, Arber DA, Fire AZ, Cherry AM, Zehnder JL, Gotlib J, Merker JD. A novel TRIP11-FLT3 fusion in a patient with a myeloid/lymphoid neoplasm with eosinophilia. Cancer Genet. 2017 Oct; 216-217:10-15. PMID: 29025582.
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    21. Koo M, Ohgami RS. Pediatric-type Follicular Lymphoma and Pediatric Nodal Marginal Zone Lymphoma: Recent Clinical, Morphologic, Immunophenotypic, and Genetic Insights. Adv Anat Pathol. 2017 May; 24(3):128-135. PMID: 28277421.
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    22. Shahmarvand N, Oak JS, Cascio MJ, Alcasid M, Goodman E, Medeiros BC, Arber DA, Zehnder JL, Ohgami RS. A study of disseminated intravascular coagulation in acute leukemia reveals markedly elevated D-dimer levels are a sensitive indicator of acute promyelocytic leukemia. Int J Lab Hematol. 2017 Aug; 39(4):375-383. PMID: 28422420.
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    23. Oak JS, Ohgami RS. Focusing on frequent ASXL1 mutations in myeloid neoplasms, and considering rarer ASXL2 and ASXL3 mutations. Curr Med Res Opin. 2017 04; 33(4):781-782. PMID: 28097878.
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    24. Alcasid M, Ma L, Gotlib JR, Arber DA, Ohgami RS. The clinicopathologic significance of lymphocyte subsets in acute myeloid leukemia. Int J Lab Hematol. 2017 Apr; 39(2):129-136. PMID: 28133918.
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    25. Fernandez-Pol S, Ma L, Ohgami RS, Arber DA. Immunohistochemistry for p53 is a useful tool to identify cases of acute myeloid leukemia with myelodysplasia-related changes that are TP53 mutated, have complex karyotype, and have poor prognosis. Mod Pathol. 2017 03; 30(3):382-392. PMID: 27934876.
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    26. Scherer F, Kurtz DM, Newman AM, Stehr H, Craig AF, Esfahani MS, Lovejoy AF, Chabon JJ, Klass DM, Liu CL, Zhou L, Glover C, Visser BC, Poultsides GA, Advani RH, Maeda LS, Gupta NK, Levy R, Ohgami RS, Kunder CA, Diehn M, Alizadeh AA. Distinct biological subtypes and patterns of genome evolution in lymphoma revealed by circulating tumor DNA. Sci Transl Med. 2016 11 09; 8(364):364ra155. PMID: 27831904.
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    27. Chisholm KM, Ohgami RS, Tan B, Hasserjian RP, Weinberg OK. Primary lymphoma of bone in the pediatric and young adult population. Hum Pathol. 2017 02; 60:1-10. PMID: 27554207.
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    28. Ozawa MG, Bhaduri A, Chisholm KM, Baker SA, Ma L, Zehnder JL, Luna-Fineman S, Link MP, Merker JD, Arber DA, Ohgami RS. A study of the mutational landscape of pediatric-type follicular lymphoma and pediatric nodal marginal zone lymphoma. Mod Pathol. 2016 10; 29(10):1212-20. PMID: 27338637.
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    29. Fernandez-Pol S, Ma L, Ohgami RS, Arber DA. Significance of myelodysplastic syndrome-associated somatic variants in the evaluation of patients with pancytopenia and idiopathic cytopenias of undetermined significance. Mod Pathol. 2016 09; 29(9):996-1003. PMID: 27255165.
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    30. Duncavage E, Advani RH, Agosti S, Foulis P, Gibson C, Kang L, Khoury JD, Medeiros LJ, Ohgami RS, O'Malley DP, Patel KP, Rosenbaum JN, Wilson C. Template for Reporting Results of Biomarker Testing of Specimens From Patients With Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma. Arch Pathol Lab Med. 2016 Apr 15. PMID: 27081879.
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    31. Duncavage E, Advani RH, Agosti S, Foulis P, Gibson C, Kang L, Khoury JD, Medeiros LJ, Ohgami RS, O'Malley DP, Patel KP, Rosenbaum JN, Wilson C. Template for Reporting Results of Biomarker Testing of Specimens From Patients With Diffuse Large B-Cell Lymphoma, Not Otherwise Specified. Arch Pathol Lab Med. 2016 Apr 15. PMID: 27081876.
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    32. Hoffmann JC, Chisholm KM, Cherry A, Chen J, Arber DA, Natkunam Y, Warnke RA, Ohgami RS. An analysis of MYC and EBV in diffuse large B-cell lymphomas associated with angioimmunoblastic T-cell lymphoma and peripheral T-cell lymphoma not otherwise specified. Hum Pathol. 2016 Feb; 48:9-17. PMID: 26772393.
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    33. Weinberg OK, Rodig SJ, Pozdnyakova O, Ren L, Arber DA, Ohgami RS. Surface Light Chain Expression in Primary Mediastinal Large B-Cell Lymphomas by Multiparameter Flow Cytometry. Am J Clin Pathol. 2015 Oct; 144(4):635-41. PMID: 26386085.
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    34. Ohgami RS, Natkunam Y, Warnke RA. Indolent T-lymphoblastic proliferation: a name with specific meaning. Hum Pathol. 2015 Nov; 46(11):1785-6. PMID: 26363525.
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    35. Ungewickell A, Bhaduri A, Rios E, Reuter J, Lee CS, Mah A, Zehnder A, Ohgami R, Kulkarni S, Armstrong R, Weng WK, Gratzinger D, Tavallaee M, Rook A, Snyder M, Kim Y, Khavari PA. Genomic analysis of mycosis fungoides and Sézary syndrome identifies recurrent alterations in TNFR2. Nat Genet. 2015 Sep; 47(9):1056-60. PMID: 26258847.
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    36. Johnson RC, Weinberg OK, Cascio MJ, Dahl GV, Mitton BA, Silverman LB, Cherry AM, Arber DA, Ohgami RS. Cytogenetic Variation of B-Lymphoblastic Leukemia With Intrachromosomal Amplification of Chromosome 21 (iAMP21): A Multi-Institutional Series Review. Am J Clin Pathol. 2015 Jul; 144(1):103-12. PMID: 26071468.
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    37. Ohgami RS, Arber DA. The diagnostic and clinical impact of genetics and epigenetics in acute myeloid leukemia. Int J Lab Hematol. 2015 May; 37 Suppl 1:122-32. PMID: 25976970.
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    38. Kurtz DM, Green MR, Bratman SV, Scherer F, Liu CL, Kunder CA, Takahashi K, Glover C, Keane C, Kihira S, Visser B, Callahan J, Kong KA, Faham M, Corbelli KS, Miklos D, Advani RH, Levy R, Hicks RJ, Hertzberg M, Ohgami RS, Gandhi MK, Diehn M, Alizadeh AA. Noninvasive monitoring of diffuse large B-cell lymphoma by immunoglobulin high-throughput sequencing. Blood. 2015 Jun 11; 125(24):3679-87. PMID: 25887775.
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    39. Chisholm KM, Merker JD, Gotlib JR, Gitana G, Lefterova M, Zehnder JL, George TI, Arber DA, Ohgami RS. Mast cells in systemic mastocytosis have distinctly brighter CD45 expression by flow cytometry. Am J Clin Pathol. 2015 Apr; 143(4):527-34. PMID: 25780004.
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    40. Chalmers ZR, Ali SM, Ohgami RS, Campregher PV, Frampton GM, Yelensky R, Elvin JA, Palma NA, Erlich R, Vergilio JA, Chmielecki J, Ross JS, Stephens PJ, Hermann R, Miller VA, Miles CR. Comprehensive genomic profiling identifies a novel TNKS2-PDGFRA fusion that defines a myeloid neoplasm with eosinophilia that responded dramatically to imatinib therapy. Blood Cancer J. 2015 Feb 06; 5:e278. PMID: 25658984.
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    41. Karnik T, Ozawa MG, Lefterova M, Luna-Fineman S, Alvarez E, Link M, Zehnder JL, Arber DA, Ohgami RS. The utility of IgM, CD21, HGAL and LMO2 in the diagnosis of pediatric follicular lymphoma. Hum Pathol. 2015 Apr; 46(4):629-33. PMID: 25701230.
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    42. Ohgami RS, Ma L, Merker JD, Gotlib JR, Schrijver I, Zehnder JL, Arber DA. Next-generation sequencing of acute myeloid leukemia identifies the significance of TP53, U2AF1, ASXL1, and TET2 mutations. Mod Pathol. 2015 May; 28(5):706-14. PMID: 25412851.
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    43. Ohgami RS, Sendamarai AK, Atwater SK, Liedtke M, Fleming MD, Natkunam Y, Warnke RA. Indolent T-lymphoblastic proliferation with disseminated multinodal involvement and partial CD33 expression. Am J Surg Pathol. 2014 Sep; 38(9):1298-304. PMID: 24618611.
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    44. Weinberg OK, Ohgami RS, Ma L, Seo K, Ren L, Gotlib JR, Seetharam M, Cherry A, Arber DA. Acute myeloid leukemia with monosomal karyotype: morphologic, immunophenotypic, and molecular findings. Am J Clin Pathol. 2014 Aug; 142(2):190-5. PMID: 25015859.
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    45. Ohgami RS, Zhao S, Natkunam Y. Large B-cell lymphomas poor in B cells and rich in PD-1+ T cells can mimic T-cell lymphomas. Am J Clin Pathol. 2014 Aug; 142(2):150-6. PMID: 25015854.
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    46. Ohgami RS, Ma L, Monabati A, Zehnder JL, Arber DA. STAT3 mutations are present in aggressive B-cell lymphomas including a subset of diffuse large B-cell lymphomas with CD30 expression. Haematologica. 2014 Jul; 99(7):e105-7. PMID: 24837465.
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    47. Ohgami RS, Chisholm KM, Ma L, Arber DA. E-cadherin is a specific marker for erythroid differentiation and has utility, in combination with CD117 and CD34, for enumerating myeloblasts in hematopoietic neoplasms. Am J Clin Pathol. 2014 May; 141(5):656-64. PMID: 24713736.
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    48. Ohgami RS, Arber DA. Challenges in Consolidated Reporting of Hematopoietic Neoplasms. Surg Pathol Clin. 2013 Dec; 6(4):795-806. PMID: 26839198.
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    49. Ewalt MD, Abeynayake J, Waggoner JJ, Pinsky BA, Ohgami RS. Profound plasmacytosis in a patient with dengue. Int J Hematol. 2013 Nov; 98(5):518-9. PMID: 24114365.
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    50. Ohgami RS, Arber DA, Zehnder JL, Natkunam Y, Warnke RA. Indolent T-lymphoblastic proliferation (iT-LBP): a review of clinical and pathologic features and distinction from malignant T-lymphoblastic lymphoma. Adv Anat Pathol. 2013 May; 20(3):137-40. PMID: 23574769.
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    51. Ohgami RS, Ma L, Merker JD, Martinez B, Zehnder JL, Arber DA. STAT3 mutations are frequent in CD30+ T-cell lymphomas and T-cell large granular lymphocytic leukemia. Leukemia. 2013 Nov; 27(11):2244-7. PMID: 23563237.
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    52. Ohgami RS, Zhao S, Ohgami JK, Leavitt MO, Zehnder JL, West RB, Arber DA, Natkunam Y, Warnke RA. TdT+ T-lymphoblastic populations are increased in Castleman disease, in Castleman disease in association with follicular dendritic cell tumors, and in angioimmunoblastic T-cell lymphoma. Am J Surg Pathol. 2012 Nov; 36(11):1619-28. PMID: 23060347.
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    53. Ohgami RS, Ma L, Ren L, Weinberg OK, Seetharam M, Gotlib JR, Arber DA. DNA methylation analysis of ALOX12 and GSTM1 in acute myeloid leukaemia identifies prognostically significant groups. Br J Haematol. 2012 Oct; 159(2):182-90. PMID: 22924777.
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    54. Ohgami RS, Ohgami JK, Pereira IT, Gitana G, Zehnder JL, Arber DA. Refining the diagnosis of T-cell large granular lymphocytic leukemia by combining distinct patterns of antigen expression with T-cell clonality studies. Leukemia. 2011 Sep; 25(9):1439-43. PMID: 21617700.
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    55. Younes SF, Beck AH, Ohgami RS, Lossos IS, Levy R, Warnke RA, Natkunam Y. The efficacy of HGAL and LMO2 in the separation of lymphomas derived from small B cells in nodal and extranodal sites, including the bone marrow. Am J Clin Pathol. 2011 May; 135(5):697-708. PMID: 21502424.
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    56. Sangoi AR, Ohgami RS, Pai RK, Beck AH, McKenney JK, Pai RK. PAX8 expression reliably distinguishes pancreatic well-differentiated neuroendocrine tumors from ileal and pulmonary well-differentiated neuroendocrine tumors and pancreatic acinar cell carcinoma. Mod Pathol. 2011 Mar; 24(3):412-24. PMID: 20890270.
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    57. Sendamarai AK, Ohgami RS, Fleming MD, Lawrence CM. Structure of the membrane proximal oxidoreductase domain of human Steap3, the dominant ferrireductase of the erythroid transferrin cycle. Proc Natl Acad Sci U S A. 2008 May 27; 105(21):7410-5. PMID: 18495927.
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    58. Ohgami RS, Campagna DR, McDonald A, Fleming MD. The Steap proteins are metalloreductases. Blood. 2006 Aug 15; 108(4):1388-94. PMID: 16609065.
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    59. Ohgami RS, Campagna DR, Greer EL, Antiochos B, McDonald A, Chen J, Sharp JJ, Fujiwara Y, Barker JE, Fleming MD. Identification of a ferrireductase required for efficient transferrin-dependent iron uptake in erythroid cells. Nat Genet. 2005 Nov; 37(11):1264-9. PMID: 16227996.
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    60. Ohgami RS, Campagna DR, Antiochos B, Wood EB, Sharp JJ, Barker JE, Fleming MD. nm1054: a spontaneous, recessive, hypochromic, microcytic anemia mutation in the mouse. Blood. 2005 Nov 15; 106(10):3625-31. PMID: 15994289.
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