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Purpose The primary objective was to assess the frequency of appropriateness of computed tomography (CT) for acute abdominal pain (AAP) in the emergency department; the secondary aim was to compare the diagnostic accuracy of ultra-sound (US) and CT in the diagnosis of the aetiology of AAP for diseases that can be diagnosed by US; and the third objective was to assess extent to which inappropriate CT examinations for AAP result in ionizing radiation exposure. Material and methods In this retrospective single-centre study, we included patients aged between 15 and 46 years referred to the emergency department for AAP in 2016 and submitted to abdominal CT scans, collecting a total of 586 patients. In 152 patients with the more frequent pathologies, we compared the referral reason and current guidelines of the European Society of Radiology (ESR) IGUIDE®. Then we measured and compared the sensitivity of US and CT for the identification of the aetiology of AAP for diseases whose diagnosis can be reached by US. We also recorded the mean computed tomography dose index (CTDI vol ), dose length product (DLP) and its standard deviation, and we calculated the effective dose (ED) using CT-Expo® software. Results According to IGUIDE and based on the clinical suspicion of CT requests, CT examination was considered crucial in 264 (45.05%) patients. 322 patients had a referral reason for CT scan that could be considered “possibly appropriate” according Iguide criteria (4, 5, 6 scoring). Of these, 135 had an inappropriate CT request according to image findings. Conclusions A better clinical framing and a correct interpretation of the reference guidelines could reduce unjustified exposure to ionizing radiation.

Crimes against a person's physical integrity are a serious and consequential felony in the Islamic criminal law. A war veteran and victim of chemical warfare deceased at the age of 69 was referred to Kahrizak Legal Medicine Center, Tehran, Iran for autopsy. According to Iranian law, deceased war veterans should undergo autopsy to have the potential damage to their organs due to chemical warfare identified, so that due compensation can be awarded to their heirs. When the chest was opened and the pericardium was removed to separate the heart from arterial bases, a sterile gauze was astonishingly found in the mediastinal cavity. According to the history provided by his children, the veteran had undergone coronary artery bypass graft (CABG) 10 years before, which had caused him physical and mental frailty and ultimately led to his death following a respiratory infection.

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