mesh displaying problem

http://wiki.mcneel.com/rhino/meshfaq

I've already searched for discussions and read that faq, but couldn't find solution for my problem : 

When I bake mesh to rhino I can see cross section of it parallel to viewport (while rotating camera). But when I make meshtoNURBS command and then back to mesh problem disappears.

Standard preview of mesh from GH (ghosted red) seems to display wrong too (same issue). 

Also selecting such a geometry is a problem( yes - baked, not the preview ;] ). 

Can anybody help ?