Final answer:
A HIDA scan is commonly used to diagnose gallstones. It is not the primary diagnostic tool for Crohn's disease, ulcerative colitis, or pancreatitis.
Step-by-step explanation:
A hepatobiliary iminodiacetic acid (HIDA) scan is used to diagnose:
- Gallstones: A HIDA scan is commonly used to detect gallstones. It helps identify any blockages or abnormalities in the gallbladder or bile ducts.
- Crohn's disease and ulcerative colitis: While a HIDA scan may be used to evaluate the functioning of the liver and gallbladder in patients with these conditions, it is not the primary diagnostic tool for them.
- Pancreatitis: A HIDA scan is not typically used as a diagnostic tool for pancreatitis.
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