Complete blood counts |
Microcytic anemia, leukocytosis with band forms, thrombocytosis |
Acute-phase reactants |
Elevated sedimentation rate and serum orosomucoid, and C-reactive protein levels |
Chemistries |
Low serum iron level, hypoalbuminemia, elevated liver enzyme levels |
Special serologic tests |
pANCA, ASCA |
Stool examinations |
Exclude bacterial pathogens, ova and parasites, occult blood, and fecal leukocytes |
Endoscopic evaluation |
Esophagogastroduodenoscopy with biopsy, colonoscopy with biopsy |
Radiologic evaluation |
Upper gastrointestinal tract with small bowel follow-through, enteroclysis (as indicated), barium enema |