Purpose Acute appendicitis in children represents a common problem. Diagnosis may be difficult due to lack of clinical data. Several scoring systems and laboratory investigations are used for diagnosis. This study aimed to build a model for diagnosis of acute appendicitis in children using urinary 5-hydroxyindoleacetic acid (5-HIAA) and pediatric appendicitis score. Methods This study was conducted on 191 children with suspicion of acute appendicitis. They were divided into two groups A and B. Children were evaluated in group A with pediatric appendicitis score, ultrasound, and CRP. In group B children were evaluated in the same manner of group A plus measuring of 5-HIAA. Results mean age was 13.3 ± 5.2 years. The mean duration of symptoms was 2.2 ± 1.4 days. The mean level of urinary 5-HIAA was 43.53 ± 24.05 in appendicitis patients in group B. In group A there were 65 cases who had appendectomy. Seventy-five children were operated in group B. Negative appendectomies were found in 13 and 7 cases in groups A and B respectively. Thirteen cases were readmitted in group A with diagnosis of acute appendicitis while seven cases were readmitted in group B. Conclusion This combination of urinary 5-HIAA and pediatric appendicitis score builds a model for diagnosis of acute appendicitis in children. This model improves the accuracy of diagnosis of acute appendicitis, reduces both the incidence of negative appendectomies and the incidence of readmission or missed cases in children.

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Context:Laparoscopic splenectomy (LS) is considered the standard approach for the treatment of children with nonmalignant hematological diseases due to the advances in the minimal invasive surgery over the conventional splenectomy (CS). Different techniques are involved in the operation to secure the hilum.Aim:The use of (Ligasure™) is a safe, effective, less time consuming and with less complications rate.Materials and Methods:Sixty children (33 with thalassemia, 20 with immune thrombocytopenic purpura [ITP] and seven with spherocytosis) were operated during the period from June 2007 to December 2014. These children had undergone LS using (Ligasure™). Three ports were used in small-sized spleens while four ports were used in large spleens.Results:There were 60 children (37 girls and 23 boys) with a mean age of 10.2 years had LS using Ligasure™ with mean operative time of 85 min for cases of ITP and 120 min for other cases. There was no mortality. Two cases were converted to CS.Conclusions:Use of Ligasure™ alone was safe, less time consuming with less complications rates.

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