Portia A. Kreiger, MD

Professor of Clinical Pathology and Laboratory Medicine
Perelman School of Medicine at the University of Pennsylvania

Contact InformationChildren's Hospital of Philadelphia
Division of Anatomic Pathology
Room 5NW15 Main Building
324 S. 34th St.
Philadelphia, PA 19104
Office: 267-426-7751
Fax: 215-590-1736


Research Expertise

Quality improvement, Digital pathology, Clinical Innovation

Clinical Expertise

Pediatric pathology

Other Expertise



BA (Biology), The Johns Hopkins University, 1997
MD University of Pennsylvania School of Medicine, 2002

Specialty Certification

The American Board of Pathology- Anatomic Pathology, 2004
The American Board of Pathology- Pediatric Pathology, 2005

Postgraduate Training

Anatomic Pathology- Student Fellow, Hospital of the University of Pennsylvania, 2000-2001
Anatomic pathology resident, Hospital of the University of Pennsylvania Department of Pathology and Laboratory Medicine, 2002-2004
Pediatric pathology fellow, The Children's Hospital of Philadelphia Department of Pathology and Laboratory Medicine, 2004-2006

Awards and Honors

Jesse H. Frank, M.D. Prize in Pathology, University of Pennsylvania School of Medicine, 2002
Gordon L. Vawter Pathologist in Training Award, Society for Pediatric Pathology/Paediatric Pathology Society Combined Meeting, Tours, France, 2005
Good Safety Catch of the Month, The Children's Hospital of Philadelphia, 2016
Breakthroughs Begin With You Nominee, The Children's Hospital of Philadelphia, Department of Pathology and Laboratory Medicine, 2017
Good Safety Catch of the Year, The Children's Hospital of Philadelphia, 2017

Memberships and Professional Organizations

United States and Canadian Academy of Pathology, 2002 - present
Society for Pediatric Pathology, 2004 - Present
The Children's Interstitial Lung Disease Cooperative Network (chILD), Pathology Working Group, 2006 - 2009
College of American Pathologists, 2008 - Present
Children's Oncology Group, 2015 - 2018
Pediatric Pathology Lab Informatics Systems Interest Group, 2022 - present
Consortium of Pediatric Anatomic Pathology Directors, 2022 - present
Digital Pathology Association, 2023 - Present
Association of Pathology Informatics, 2023 - Present

Web Links

Selected Publications

Fetal pulmonary malformations: defining histopathology.

Kreiger PA, Ruchelli ED, Mahboubi S, Hedrick HL, Adzick NS, Russo P., Am J Surg Pathol 30(5): 643-649, 2006

Losses of chromosomes 1p and 19q are rare in pediatric oligodendrogliomas.

Kreiger PA, Okada Y, Simon S, Rorke LB, Louis DN, Golden JA., Acta Neuropathologica 109(4): 387-392, 2005

Hamartomatous and other tongue lesions in children. Abstract #7.

Kreiger PA, Ernst L, Alawi F, Russo P., , 2005

INI1 protein loss in tumors with a non-rhabdoid phenotype. Abstract #34.

Kreiger PA, Judkins A, Russo PA, Biegel J, Wang L, Kozakewich H, Vujanic GM, Pawel B., , 2006

Devic disease in a child with primary Sjogren syndrome.

Arabshahi B, Pollock AN, Sherry DD, Albert D, Kreiger P, Pessler F., J Child Neurol 21(4): 285-286, 2006

Wilms' Tumor Arising Within a Mediastinal Teratoma.

Badilla AT, Kreiger PA, Schmitz KR, Ernst LM, Kaiser LR, Liechty KW., J Pediatr Surg 41(8): e1-5, 2006

Picture of the Month: Anaplastic large cell lymphoma with hemophagocytosis.

Burnham JM, Kreiger PA, Paessler M, Kersun LS, Cron RQ., Arch Pediatr Adolesc Med 160(11): 1177, 2006

Sjogren syndrome in a child: favorable response of the arthritis to TNF-alpha blockade.

Pessler F, Monash B, Rettig P, Forbes B, Kreiger PA, Cron RQ., Clin Rheumatol 25(5): 746-748, 2006

Interleukin-1 receptor antagonist to treat cytophagic histiocytic panniculitis with secondary hemophagocytic lymphohistiocytosis.

Behrens EM, Kreiger PA, Cherian S, Cron RQ., J Rheumotol 33(10): 2081-2084, 2006