Dynamic enhancing feature in mediastinal hemangioma was rarely reported, Sl
ow, gradually increasing and prolonged contrast stains are the diagnostic h
ints in our case that avoid the hemorrhagic catastrophe from transthoracic
core needle biopsy. A rare finding of an aberrant vessel entering into the
tumor was valuable for operative planning. Dynamic computed tomography (CT)
can provide more information for evaluation in such cases. (C) 2001 Elsevi
er Science Inc. Ail rights reserved.