Case List History Objectives Radiology Images Questions COLORECTAL DISEASE Case #3 - A 75 year old with lower abdominal pain and distension DISCUSSION QUESTIONS: 4.) What diagnostic tests do you need? Diagnostic tests: Laboratory: CBC, electrolytes. Plain and upright abdominal X-rays to see gas pattern, presence of volvulus, dilatation of cecum. CT scan if diagnosis of large bowel obstruction is in doubt or if mass is present. Contrast enema using gastrografin to define site of obstruction and possible etiology.
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