Specific binding members that bind the ED-A isoform of fibronectin for use in methods of diagnosis, detection, imaging and/or treatment of inflammatory bowel disease such as ulcerative colitis and/or for use in delivery to the neovasculature of intestinal tissue of a molecule conjugated to the specific binding member. Specific binding members that bind tenascin-C, especially the A1, A2, A3, A4 and/or D domain tenascin-C large isoform, for use in methods of diagnosis, detection, imaging and/or treatment of ulcerative colitis and/or for use in delivery to the neovasculature of inflammatory bowel disease tissue of a molecule conjugated to the specific binding member.
