请翻译 Key diagnostic points of cute abdominal pain may be obtained from initial history and examination including: • Location of the pain • Associated fever • History of previous or recent surgery • Prior history of similar pain • Signs that may indicate intestinal obstruction, such as abdominal distension, vomiting and altered bowel habit. CT has found an increasing role in the assessment of acute abdominal pain. One of the most important reasons for this is the ability of CT to display inflammation or oedema in fat. Inflammatory change is very well shown on CT as streaky soft tissue density or infiltration within the darker fat. This is an extremely useful sign on CT that often helps to localize pathology. CT is less sensitive in the assessment of very thin or cachectic patients in whom abdominal fat planes may be absent