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Katrina O'Halloran, MD, MS

Attending Physician
Assistant Professor of Clinical Pediatrics, Keck School of Medicine of USC
Clinical Interests

Brain and spinal cord tumors in children; liquid biopsy; precision medicine

Education

Medical School

University College Dublin, National University of Ireland

Graduate School

University of Southern California

Internship

UPMC Children's Hospital of Pittsburgh

Residency

UPMC Children's Hospital of Pittsburgh

Fellowship

Children's Hospital Los Angeles

Accomplishments

Certification

Pediatrics, American Board of Pediatrics (2018)
Pediatric Hematology-Oncology, American Board of Pediatrics (2023)

Memberships

Children's Oncology Group (COG)
Society for Neuro-Oncology (SNO)
International Society of Paediatric Oncology (SIOP)

Publications

Publications

O'Halloran K, Yellapantula V, Christodoulou E, Ostrow D, Bootwalla M, Ji J, Cotter J, Chapman N, Chu J, Margol A, Krieger MD, Chiarelli PA, Gai X, Biegel JA. Low-pass whole-genome and targeted sequencing of cell-free DNA from cerebrospinal fluid in pediatric patients with central nervous system tumors. Neurooncol Adv. 2023 Jan-Dec;5(1):vdad077.

Christodoulou E, Yellapantula V, O'Halloran K, Xu L, Berry JL, Cotter JA, Zdanowicz A, Mascarenhas L, Amatruda JF, Ostrow D, Bootwalla M, Gai X, Navid F, Biegel JA. Combined low-pass whole genome and targeted sequencing in liquid biopsies for pediatric solid tumors. NPJ Precis Oncol. 2023 Feb 20;7(1):21.

Plant-Fox AS, O'Halloran K, Goldman S. Pediatric brain tumors: the era of molecular diagnostics, targeted and immune-based therapeutics, and a focus on long term neurologic sequelae. Curr Probl Cancer. 2021 Aug;45(4):100777.

Kaneva K, O'Halloran K, Triska P, Liu X, Merkurjev D, Bootwalla M, Ryutov A, Cotter JA, Ostrow D, Biegel JA, Gai X. The spectrum of mitochondrial DNA (mtDNA) mutations in pediatric CNS tumors. Neurooncol Adv. 2021 Jan-Dec;3(1):vdab074.

Triscott J, Lee C, Foster C, Manoranjan B, Pambid MR, Berns R, Fotovati A, Venugopal C, O'Halloran K, Narendran A, Hawkins C, Ramaswamy V, Bouffet E, Taylor MD, Singhal A, Hukin J, Rassekh R, Yip S, Northcott P, Singh SK, Dunham C, Dunn SE. Personalizing the treatment of pediatric medulloblastoma: Polo-like kinase 1 as a molecular target in high-risk children. Cancer Res. 2013 Nov 15;73(22):6734-44.