Image Challenge

In keeping with our GI theme this week, I present to you this image challenge from the New England Journal of Medicine.  This is a loop of bowel removed from a child from Kenya.  In case you aren't familiar with the appearance of bowel, I can tell you this is not normal.  What is the diagnosis?
Make your best guess in the comment section and I will post the answer tomorrow.

1.  Ascariasis
2