<prompt> An 8yr old child presents with acute abdomen. What is the investigation of choice?USGCT ScanX-rayMRI  <response>: Ans. is a i.e., USG In young children, medical etiologies are the most common, especially acute gastroenteritis. In children more than 2 years of age, appendicitis is the most common cause of acute abdominal pain and emergency surgery. Radiologic InvestigationsA Ultrasound Ultrasound is usually utilized for diagnostic accuracy in the evaluation of acute appendicitis and has demonstrated 90 sensitivity and specificity. USG is the initial investigation of choice.B CT Scan CT scan had been the gold standard imaging study for evaluating children with suspected appendicitis, but carries the significant negative effects of radiation exposure and increased costs.C MRIWhite Blood Cell Scan MRI is at least equivalent to CT in diagnostic accuracy for appendicitis and does not involve ionizing radiation. 