Pathology

Horatiu Olteanu, MD, PhD

Associate Professor of Pathology, Medical College of Wisconsin
Program Director, Hematopathology Fellowship
Director of Flow Cytometry, Dynacare Laboratories

Dr. Olteanu’s primary clinical activity is in the Hematopathology service at Froedtert Hospital, which covers morphology and flow cytometry signout of bone marrow and lymph node biopsies.  He is also involved in medical student and pathology resident teaching, as director of Hematopathology and Flow Cytometry resident rotations, and oversees the Hematopathology fellowship.

Research Interests

• Clinical and pathologic characterization of hematolymphoid malignancies

Professional Background

• Assistant Professor of Pathology, MCW, Milwaukee, WI (2008 - 2012)
• Member, ASCP PRISE committee
• Member, MCW/FH IRB committee #4
• Member, MCW CME advisory committee

Educational Background

• Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania – MD
• University of Nebraska, Lincoln, NE – PhD (Biochemistry)
• University of Texas Southwestern Medical Center, Dallas, TX – Anatomic and Clinical Pathology residency
• Medical College of Wisconsin, Milwaukee, WI – Hematopathology fellowship

Board Certifications

• Anatomic and Clinical Pathology
• Hematopathology

Selected Publications

• Olteanu, H., Karandikar, N.J., McKenna, R.W., Xu, Y.:  Differential usefulness of various markers in the flow cytometric detection of paroxysmal nocturnal hemoglobinuria in blood and marrow. Am J Clin Pathol 126 (5): 781-788, 2006.
• Olteanu, H., Wang, H., Chen, W., McKenna, R.W., Karandikar, N.J.:  Immunophenotypic studies of monoclonal gammopathy of undetermined significance. BMC Clin Pathol 8 (13): 1-9, 2008.
• Spears, M.D., Harrington, A.M., Kroft, S.H., Olteanu, H.: Immunophenotypic stability of T-cell large granular lymphocytic leukemia by flow cytometry. Br J Haematol, 151 (1): 97-99, 2010. 
• Olteanu, H., Harrington, A.M., Ramirez, S., Kroft, S.H., Hari, P.: Efficacy and safety of long-term ( >7 year) alemtuzumab therapy for refractory T-cell large granular lymphocytic leukemia. Br J Haematol, 150 (4): 480-481, 2010. 
• Olteanu, H., Schur, B.C., Atallah, E., Bredeson, C., Kroft, S.H.: Expression of Natural Killer Receptors in T and NK cells:  Comparison of Healthy Individuals, Stem Cell Transplant Patients and Chemotherapy Patients. Leuk Lymphoma 51 (3): 481-487, 2010. 
• Morice, W.G., Jevremovic, D., Olteanu, H., Roden, A., Nowakowski, G., Kroft, S.H., Hanson, C.A., Kurtin, P.J.: Chronic Lymphoproliferative Disorder of Natural Killer Cells: A Distinct Entity with Sub-Types Correlating With Normal Natural Killer Cell Subsets. Leukemia 24 (4): 881-884, 2010. 
• Plaza, J.A., Ortega, P., Lynott, J., Mullane, M., Kroft, S.H., Olteanu, H.:  CD8-positive primary cutaneous anaplastic large T-cell lymphoma (PCALCL): Case report and review of this unusual variant of PCALCL. Am J Dermatopathol 32 (5): 489-491, 2010. 
• Olteanu, H., Karandikar, N.J., Eshoa, C., Kroft, S.H.:  Laboratory Findings in CD4(+) Large Granular Lymphocytoses. Int J Lab Hematol 32 (1 Pt 1): e9-e16, 2010.
• Olteanu, H., Fenske, T.S., Harrington, A.M., Szabo, A., He, P., Kroft, S.H.: CD23 expression in follicular lymphoma: clinicopathologic correlations. Am J Clin Pathol, 135 (1): 46-53, 2011. 
• Harrington, A.M., Olteanu, H., Eshoa, C., Kroft, S.H.: The Unique Immunophenotype of Double-Hit Lymphomas. Am J Clin Pathol, 135 (4):649-650, 2011. 
• Olteanu, H., Harrington, A.M., Hari, P., Kroft, S.H.: CD200 expression in plasma cell myeloma. Br J Haematol, 153 (3):408-411, 2011. 
• Olteanu, H., Schur, B.C., Harrington, A.M., Kroft, S.H.: Time and Temperature Stability of T-cell Subsets Evaluated by a Dual-Platform Method. Am J Blood Res 2 (2): 128-135, 2012.
• Olteanu, H., Harrington, A.M., George, B., Hari, P., Bredeson, C., Kroft, S.H.: High prevalence of Dapsone-induced oxidant hemolysis in North American stem cell transplant recipients without glucose-6-phosphate-dehydrogenase deficiency. Bone Marrow Transplant, 47 (3): 399-403, 2012. 
• Olteanu, H., Harrington, A.M., Kroft, S.H.: CD200 Expression in Plasma Cells of Non-Myeloma Immunoproliferative Disorders: Clinicopathologic Features and Comparison with Plasma Cell Myeloma. Am J Clin Pathol, 2012 (accepted for publication).