[Value of fetal MRI in the prenatal diagnosis of renal polycystic disease: a case report].

: We present a case of foetal polycystic kidney disease diagnosed at 34 weeks of gesttion thanks to resonance imaging (MRI). MRI demonstrated enlarged foetal kidneys that were low signal intensity on T1 weighted images and high signal intensity on T2 weighted images. These MRI findings suggested a high water containing of the renal parenchyma.