Best screening test for Crohn's disease is:
ASCA-positive (anti-saccharomyces cerevisae antibody) seen with 70% of CD and 15% of UC patients. p-ANCA positivity is found in about 60-70% of UC patients and 5-10% of CD patients Fecal calprotectin levels correlate well with histologic inflammation, predict relapses, and detect pouchitis
A.S.C.A.
P-ANCA
Fecal alpha 1 anti -trypsin
Fecal calprotectin
Inflammatory Bowel Disease