Clinical Pathology

John Karl Frederiksen, M.D., Ph.D.

Assistant Professor Director, Hematology Laboratory University of Illinois at ChicagoPathology
Work Phone: (312) 996-1642 Work Fax: (312) 996-9574
Photo of John Karl Frederiksen M.D., Ph.D.

Biographical Info

Clinical Focus

Hematopathology

 

Research and Educational Focus

Hematopathology, hematology test utilization

 

Education:

Stanford University (B.S., Chemistry)

University of Chicago Pritzker School of Medicine (M.D.)

University of Chicago (Ph.D., Biochemistry and Molecular Biology)

 

Post-Graduate Training:

Residency

University of Rochester Medical Center (Anatomic and Clinical Pathology)

 

Fellowship

University of Michigan Medical Center (Hematopathology)

University of Miami Miller School of Medicine (Molecular Genetic Pathology)

 

Board Certification:

Anatomic and Clinical Pathology

Hematology

Molecular Genetic Pathology

 

Awards and Honors:

Best Teacher in the Pathology Residency Program, SUNY Upstate Medical University (2019-2020)

Teacher of the Year, University of Illinois at Chicago Pathology Residency Program (2022)

 

Selected Recent Publications:

 

Qu, C., Kunkalla, K., Vaghefi, A., Frederiksen, J. K., Liu, Y., Chapman, J. R., Blonska, M., Bernal-Mizrachi, L., Alderuccio, J. P., Lossos, I. S., Landgraf, R. & Vega, F. (2018).  Smoothened stabilizes and protects TRAF6 from degradation: A novel non-canonical role of smoothened with implications in lymphoma biology.  Cancer Lett 436, 149-158 (PubMed ID 30165192).

 

Choi, S. M., Frederiksen, J. K., Ross, C. W., Bixby, D. L. & Shao, L. (2017).  Philadelphia Chromosome-like Mixed-Phenotype Acute Leukemia Demonstrating P2RY8-CRLF2 Fusion and JAK1 Mutation.  Am J Clin Pathol 148, 523-528 (PubMed ID 29140408).

 

Weindorf, S. C. & Frederiksen, J. K. (2017).  IgG4-Related Disease: A Reminder for Practicing Pathologists.  Arch Pathol Lab Med 141, 1476-1483 (PubMed ID 29072949).

 

Frederiksen, J. K., Shao, L., Bixby, D. L. & Ross, C. W. (2016).  Shared clonal cytogenetic abnormalities in aberrant mast cells and leukemic myeloid blasts detected by single nucleotide polymorphism microarray-based whole-genome scanning.  Genes Chromosomes Cancer 55, 389-396 (PubMed ID 26865278).

 

Frederiksen, J. K., Sharma, M., Casulo, C. & Burack, W. R. (2015).  Systematic review of the effectiveness of fine-needle aspiration and/or core needle biopsy for subclassifying lymphoma.  Arch Pathol Lab Med 139, 245-251 (PubMed ID 25611108).

 

Frederiksen, J. K. & Ross, C. W. (2014).  Cytomegalovirus-associated hemophagocytic lymphohistiocytosis in a patient with myasthenia gravis treated with azathioprine.  Blood 123, 2290 (PubMed ID 24895699).

Categories: Clinical Pathology, Pathology