Olga Pozdnyakova, MD, PhD

faculty photo
Professor of Pathology and Laboratory Medicine at the Hospital of the University of Pennsylvania
Director, Division of Hematopathology, Hospital of the University of Pennsylvania
Medical Director, Chester County Laboratories (3), Hospital of the University of Pennsylvania
Medical Director, Flow cytometry Lab, Hospital of the University of Pennsylvania
Medical Director, Hematology Lab, Hospital of the University of Pennsylvania
Department: Pathology and Laboratory Medicine

Contact information
3400 Spruce Street
7.021 Gates
Philadelphia, PA 19104
Fax: 215-615-3931
Education:
MD (Internal Medicine)
Russian State Medical University, Moscow, Russia, 1993.
PhD (Pediatric Hematology)
Federal Clinical Research Center, Moscow, Russia, 1997.
Permanent link
 
> Perelman School of Medicine   > Faculty   > Details

Selected Publications

Young JH, Pozdnyakova O.: How I diagnose B-cell lymphoproliferative disorders with plasmacytic differentiation. Am J Clin Pathol. 2025 Apr 19;163(4):501-510. doi: 10.1093/ajcp/aqae163. PMID: 40036978. 2025.

Moore M, Chen X, Sadigh S, Seifert R, Mindiola Romero AE, Pozdnyakova O, Courville EL.: Evaluating pathologist practices in peripheral blood smear review: A comprehensive practice survey. Am J Clin Pathol. 2025 Jan 28;163(1):42-51. doi: 10.1093/ajcp/aqae091. PMID: 39037433. 2025.

Patel P, Pozdnyakova O.: Seeing is believing: a histology textbook's dream case of sarcoidosis. Blood. 2025 Apr 24;145(17):1962. doi: 10.1182/blood.2025028699. PMID: 40272852. 2025.

Amelie Therrien, Srihitha Akula, Michelle Galeas-Pena, Emma Frank, Lily Gillette, Jocelyn A Silvester, Daniel A Leffler, Javier Villafuerte Galvez, Ciaran P Kelly, Olga Pozdnyakova, Sarah Glover, Jonathan J Lyons: Reviewer for abstract category 803--Emerging Tools, Techniques, and Artificial Intelligence in Hematology Am J Gastroenterol. 2025 May 14. doi: 10.14309/ajg.0000000000003537. Epub ahead of print. PMID: 40367491. 2025.

Obiorah I, McCall CM, Balmaceda A, Salansky S, Agarwal A, Pozdnyakova O.: An 18-Year Review of Hemoglobinopathy Proficiency Testing: Recommendations From the College of American Pathologists Hematology and Clinical Microscopy Committee. Arch Pathol Lab Med. 2025 Jan 13. doi: 10.5858/arpa.2024-0386-CP. Epub ahead of print. PMID: 39799968. 2025.

Olga Pozdnyakova and Carlo Brugnara: Hematology Laboratory in the Digital and Automation Age. Clin Lab Med. 2024 Sep;44(3):xiii-xiv. doi: 10.1016/j.cll.2024.06.001. Epub 2024 Jun 18. PMID: 39089759. September 2024.

Castells M, Giannetti MP, Hamilton MJ, Novak P, Pozdnyakova O, Nicoloro-SantaBarbara J, Jennings SV, Francomano C, Kim B, Glover SC, Galli SJ, Maitland A, White A, Abonia JP, Slee V, Valent P, Butterfield JH, Carter M, Metcalfe DD, Akin C, Lyons JJ, Togias A, Wheatley L, Milner JD. : Mast cell activation syndrome: Current understanding and research needs. J Allergy Clin Immunol. 2024 Aug;154(2):255-263. doi: 10.1016/j.jaci.2024.05.025. Epub 2024 Jun 6. PMID: 38851398. August 2024.

Ryou H, Sirinukunwattana K, Wood R, Aberdeen A, Rittscher J, Weinberg OK, Hasserjian R, Pozdnyakova O, Peale F, Higgins B, Lundberg P, Trunzer K, Harrison CN, Royston D.: Quantitative analysis of bone marrow fibrosis highlights heterogeneity in myelofibrosis and augments histological assessment: An Insight from a phase II clinical study of zinpentraxin alfa. Hemasphere. 2024 Jun 13;8(6):e105. doi: 10.1002/hem3.105. PMID: 38884042; PMCID: PMC11176199. June 2024.

Lewis JE, Pozdnyakova O. : Advances in Bone Marrow Evaluation. \{Lewis JE, Pozdnyakova O. Advances in Bone Marrow Evaluation. Clin Lab Med. 2024 Sep;44(3):431-440. doi: 10.1016/j.cll.2024.04.005. Epub 2024 Jun 4. PMID: 39089749.} June 2024.

Nichols MM, Pozdnyakova O.: Snapper-Schneid bodies (coarse cytoplasmic granules) in a patient with multiply relapsed multiple myeloma. Blood. 2024 Jun 13;143(24):2559. doi: 10.1182/blood.2024024221. PMID: 38869920. June 2024.

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Last updated: 07/26/2025
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