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Standardized uptake values, often known as SUVs, are frequently utilized in the process of measuring 18F-fluorodeoxyglucose (FDG) uptake in malignancies . In this work, we investigated the relationships between a wide range of parameters and the standardized uptake values (SUV) found in the liver. Examinations with 18F-FDG PET/CT were performed on a total of 59 patients who were suffering from liver cancer. We determined the SUV in the liver of patients who had a normal BMI (between 18.5 and 24.9) and a high BMI (above 30) obese. After adjusting each SUV based on the results of the body mass index (BMI) and body surface area (BSA) calculations, which were determined for each patient based on their height and weight. Under a variety of different circumstances, SUVs were evaluated based on their means and standard deviations. Scatterplots were created to illustrate the various weight and SUV variances. In addition to that, the SUVs that are appropriate for each age group were determined. SUVmax in the liver was statistical significantly in obese BMI and higher BSA, p- value

Background: caudal anaesthesia has short­term effect. Alpha­2 adenoreceptors when used as adjuvant to local anaesthetic in children prolongs analgesic duration. The study is aimed to assess the efficacy of addition of dexme­detomidine with Bupivacaine in caudal block for extending postoperative analgesia and its safety profile in pediatric infra­umbilical surgeries. Method: the prospective interventional longitudinal double blinded study was conducted on 60 patients randomly divided into two groups by simple lottery method: group B who received (0.25 %) bupivacaine 1 ml/kg plus 1 ml nor­mal saline (NS), and those in group BD who received (0.25 %) bupivacaine 1 ml/kg plus 0.5 μg/kg dexmedetomidine in 1 ml NS. Post­surgery, both groups were compared in R studio v1.2.5001. Association between the adverse effect and other variables (age, gender, type of surgery, groups) were assessed by Multiple linear regression. Results: in group BD, duration of analgesia prolonged significantly (P < 0.05). In group BD, FLACC score at initial four hours and at 12th hour was significantly less (P < 0.05). Group B was more likely to receive high number of rescue analgesia (P = 0.0005; OR = 11.769). No significant difference was observed concerning hemodynamics, respiratory parameters and adverse effect between both groups (P > 0.05). Conclusion: in children, dexmedetomidine when used along with bupivacaine prolongs postoperative analgesia du­ration, without any significant side effects.