Rt-structures : artefact

Hello everyone

i’ve got some troubles. When importing DICOM RT Structure into 3d-slicer somes structures (not all) presents this kind of artefact !

it also affect others superposed structures

Can someone help me cause it avoid me to use the segmentations…!

artefact|458x500 artefact1

thank for you knowledge!

Could you please try with latest nightly version of Slicer?