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During the Pediatric Radiology Fellowship, all fellows are encouraged to complete a research project during their year of training under the mentorship of one of the faculty. Fellows are also able to participate in the numerous ongoing research projects that we have available.

The Radiology Research Laboratory is under the leadership of Catherine Limperopoulos, Ph.D., with an emphasis on the use and development of advanced MRI techniques and fetal imaging research.

The Biomedical Engineering group is led by Kevin Cleary, Ph.D. The research emphasis in this group includes minimally invasive/non-invasive approaches that can reduce painful procedures in children.

The radiology department is also involved in a multitude of collaborative programs within Children’s National that utilize imaging technologies and devices:

Cardiac Imaging

  • MRI fetal and neonatal brain research protocols for neonates with cardiac disease
  • MRI neonatal cardiac protocols
  • Evolving cardiac interventional research in collaboration with the National Institutes of Health (combined imaging/cardiac interventional suite)


  • Member of the Pediatric Brain Tumor Consortium (PBTC) and Children’s Oncology Group (COG)
  • TWiTCH – Sickle cell vasculopathy
  • Neurofibromatosis
  • Functional MRI

Fetal Imaging

  • Fetal brain development - volumetric/spectroscopy
  • IUGR
  • Pulmonary hypertension
  • Craniosynostosis syndromes

Neonatal Imaging

  • Hypothermia treatment
  • IUGR

Ultrasound Imaging

  • BABY HUG trial (hydroxyurea in infants with sickle cell anemia)
  • TWiTCH study (TCD with Transfusions Changing to Hydroxyurea) 

Nuclear Medicine

  • Hepatobiliary imaging in neonatal jaundice
  • GFR - hyperfiltration in pediatric patients with malignancies