Figure 4: (a) Allantoic duct remnant, type fistula showing urothelial lining (H and E ×40), (b) Umbilical granuloma (H and E ×20), (c) Developmental lesion showing two mechanisms – gross (left) and microscopy (right) showing minor omphalocele (arrow) and OMD remnant, type fistula lined by enteric epithelium (asterisk) (H and E ×20), (d) OMD remnant, type fistula lined by enteric epithelium (arrowhead), the gastric epithelium (arrow) and pancreatic tissue (asterisk) (H and E ×20) Inset - pancreatic tissue with ducts, acini, and islets (H and E ×400)