Klippel-Trenaunay-Weber (KTW) syndrome: the use of in utero magnetic resonance imaging (MRI) in a prospective diagnosis

The diagnosis of the: Klippel-Trenaunay-Weber (KTW) syndrome is rarely made antenatally. We report the use of. both ultrasound and in utero magnetic r esonance imaging (MRI) in the prenatal diagnosis of this syndrome. This is the first report of the use of prenatal MRI in the diagnosis or this condit ion. There was concordance in the findings of both modalities, with limb hy pertrophy, ar IJ multiple haemangiomata both subcutaneous and internally - demonstrated with ultrasound and MRI. The patient elected to terminate the pregnancy because of associated oligohydramnios and a small fetal chest not ed at 20 weeks. The postmortem examination confirmed the antenatal diagnosi s. Copyright (C) 2001 John Wiley & Sons, Ltd.