Professor of Medicine
The Johns Hopkins Hospital
Basic research focus is hematologic malignancy and molecular mechanisms that lead to cancer.; Clinical research interests include sickle cell anemia.
Ependymomas arise from ependymal cells that line the ventricles and passageways in the brain and the center of the spinal cord. Ependymal cells produce cerebrospinal fluid (CSF). These tumors are classified as supratentorial or infratentorial. In children, most ependymomas are infratentorial tumo