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Radiology Fellowship


The Department of Diagnostic Imaging and Radiology takes an active role in research at Children’s National. Fellows are encouraged to complete a research project during their year of training under the mentorship of one of the faculty.  Numerous ongoing research projects are available to participate in.
The Radiology Research Laboratory is under the leadership of Catherine Limperopoulos PhD, with an emphasis on use and development of advanced MRI techniques and fetal imaging research.
The Biomedical Engineering group reports to Raymond W. Sze and is led by Kevin Cleary PhD. 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 NIH (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 (TCD With Transfusions Changing to Hydroxyurea) study

Nuclear Medicine

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

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