Background/Aim: Ascites of tuberculous peritonitis (TBP) is an exudative type and may well be misdiagnosed as carcinomatous peritonitis, especially in the elderly. The aim of this study was to identify independent predictors that can differentiate TBP from peritonitis carcinomatosa without surgical intervention. Patients and Methods: This prospective cohort study was performed on 75 subjects in the following groups: TBP (n=27) (TBP group), ovarian cancer complicated with ascites (n=24) (Ov Ca group), and gastric cancer complicated with ascites (n=24) (Ga Ca group). The frequency of clinical symptoms, laboratory parameters, and serum tumor markers levels were compared. Results: In univariate analysis; fever, night sweats, and abdominal pain were significantly more frequent in the TBP group compared to those in the Ov Ca group (P < 0.001, P < 0.001, and P = 0.035, respectively) and the Ga Ca group (P < 0.001, P < 0.001, and P = 0.015, respectively). Serum CA 19-9 and carcino embryonic antigen (CEA) levels were significantly lower in the TBP and Ov Ca group compared to the Ga Ca group (P < 0.001 and P < 0.001, respectively). Elevated serum CA 125 level was found in all patients with TBP and Ov Ca and in 86.6% of patients with Ga Ca. In the multivariate analysis, presence of fever (P < 0.001), night sweats (P < 0.001), age under 40 years (P = 0.008), and normal serum CA 19-9 level (P = 0.044) were independent predictor of diagnosis of TBP. Conclusion: The presence of fever, elevated serum CA 125 level, normal serum CA 19-9, and CEA associated with lymphocyte predominant benign ascites may establish the diagnosis of TBP.

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Background/Aim: The aim of the study was to investigate gender differences in obesity and related behavior among adolescent school boys and girls in southwestern Saudi Arabia. Patients and Methods: A cross-sectional study on a stratified sample of 1,249 adolescent boys and 620 adolescent girls, was conducted in southwestern Saudi Arabia. They were interviewed and examined for weight and height using standardized techniques. Results: The prevalence of obesity and overweight in the present study amounted to 23.2% among boys and 29.4% among girls. The following significant risk factors were identified; being a female [adjusted odds ratio (aOR) =1.372, 95% confidence interval (CI) =1.099-1.753] and lack of class physical exercise (aOR =1.452, 95% CI =1.149-2.117). Conclusion: Obesity among adolescents is a public health problem in Southwestern Saudi Arabia. The problem is more prevalent among girls. Thus, there is a need for a national programme in the country to prevent and control obesity among adolescents.

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Background/Aim: Hydatidosis has a worldwide distribution and the liver is the most common organ involved. Hydatid cysts of the liver can be managed either by nonoperative or operative methods. Nonoperative methods include chemotherapy and percutaneous treatment. The study aimed at understanding the effect of albendazole therapy on the viability of protoscoleces and recurrence rate of hydatid disease of the liver. Patients and Methods: The study was conducted at Sher-i-Kashmir Institute of Medical Sciences, Soura, Srinagar, Kashmir, India, over a period of 2 years from January 2002 to December 2003, with further follow-up of 5 years. The study included 72 cases in the age group of 17-66 years, comprising 39 males and 33 females. The patients were randomized into two groups of 36 patients each. In group A, patients were directly subjected to surgery, while in group B, patients were administered albendazole for 12 weeks preoperatively, followed by a further postoperative course for 12 weeks. Results: Of patients who received albendazole therapy, no patient had viable cysts at the time of surgery, as compared to 94.45% of the patients who did not receive any preoperative albendazole (P<0.01). In patients who did not receive any albendazole therapy, recurrence rate was 16.66%, while no recurrence was seen in patients who received albendazole therapy ( P≤0.05). Conclusion: We conclude that albendazole is an effective adjuvant therapy in the treatment of hydatid liver disease.

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Background/Aim: Degradation of the basement membrane and extracellular matrix by matrix metalloproteinases (MMPs) is believed to be an essential step in the complicated process of hematogenous metastasis. Matrix metalloproteinase-7 (MMP-7) is a small secreted proteolytic enzyme with a broad substrate specificity, and its expression has been shown to be associated with tumor invasion and metastasis for various cancers. Patients and Methods: To document the role of MMP-7 polymorphism in esophageal carcinogenesis, a case-control study was performed comprising 135 patients with esophageal cancer (EC) and 195 healthy controls. Genotyping was done by the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method. Data were statistically analyzed using χ² - test and logistic regression models. Results: Carriers for the MMP-7 (-181A>G) GG were associated with an increased risk for EC [odds ratio (OR = 2.17; 95% confidence interval (CI) = 1.21-3.92; P = 0.010; P_-trend = 0.04]. Also, in a recessive model, our results showed that MMP-7 (-181A>G) GG allele conferred significantly higher risk for EC (OR =2.16; 95% CI = 1.31-3.54; P = 0.003). The high risk due to MMP-7 (-181GG) genotype was limited to squamous cell histology of EC (OR = 2.41; 95% CI = 1.27-4.56; P = 0.007). Although smoking (Hukka) and high consumption of salted tea are independent risk factors for EC, the interaction of MMP-7 (-181A>G) genotypes with these factors did not further modulate the risk of EC. Conclusions: In conclusion, our results show that MMP-7 (-181A>G) GG carriers are at a higher risk of esophageal squamous cell carcinoma in Kashmir valley.

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Background/Aims: Inflammatory bowel disease (IBD) was previously thought a rare disease among children in Kuwait since most diarrhea cases were attributed to infections. In the past few years we observed an increase in the number of patients presenting with IBD. In this study we aimed to determine the epidemiology of IBD among children in the State of Kuwait. Patients and Methods: The charts of all children with IBD who were referred to the pediatric gastroenterology unit during the period February 1998 to January 2008 were retrospectively reviewed. Results: Out of a total of 130 children with IBD, 92 (71%) had Crohn's disease, 36 (28%) had ulcerative colitis and two (1%) had indeterminate colitis. The estimated annual incidence for IBD was 2.16/10 ⁵ /year. The age range was nine months-15 years (median: 11 years). Fifty-three percent of all patients were females and 77% were Kuwaiti nationals. Positive family history was found in 23%. The commonest presenting symptoms were abdominal pain (87%) and diarrhea (82%). Failure to thrive was detected in 35% and short stature in 20% at presentation. The ileocolonic region was the most common presentation site affected in Crohn's patients and pancolitis was the commonest in ulcerative colitis. Conclusion: Inflammatory bowel disease is not uncommon in our children. We found no differences regarding disease presentation and clinical features compared to the Western world.

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Herpes simplex virus is a common cause of ulcerative esophagitis in the immunocompromised or debilitated host. Despite a high prevalence of primary and recurrent Herpes simplex virus infection in the general population, Herpes simplex virus esophagitis (HSVE) appears to be rare in the immunocompetent host. We report three cases of endoscopically-diagnosed HSVE in apparently immunocompetent children; the presentation was characterized by acute onset of fever, odynophagia, and dysphagia. In two cases, the diagnosis was confirmed histologically by identification of herpes viral inclusions and culture of the virus in the presence of inflammation. The third case was considered to have probable HSVE based on the presence of typical cold sore on his lip, typical endoscopic finding, histopathological evidence of inflammation in esophageal biopsies and positive serologic evidence of acute Herpes simplex virus infection. Two cases received an intravenous course of acyclovir and one had self-limited recovery. All three cases had normal immunological workup and excellent health on long-term follow-up.

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Background/Aim: In patients with liver cirrhosis, the platelet count/spleen diameter ratio has been validated as a parameter for the noninvasive diagnosis of esophageal varices. Schistosoma infection is a frequent cause of portal hypertension in Middle Eastern countries, and is associated with the development of esophageal varices. In this study we aimed to evaluate the platelet count/spleen diameter ratio as a noninvasive tool for the prediction of the presence of esophageal varices in patients with schistosoma-related chronic liver disease. Patients and Methods: Forty-three patients with hepatosplenic schistosomiasis underwent upper digestive endoscopy to check for the presence of esophageal varices. Furthermore, all patients underwent abdominal ultrasonography, and maximum spleen diameter (in mm) was measured. The platelet count/spleen diameter ratio was calculated in all patients. Results: Esophageal varices were found in 31 patients (72%). Age and gender were not significantly different between patients with and without varices. In patients with varices, median platelet count (82,000/μL versus 172,000/μL, P < 0.0001) and platelet count/spleen diameter ratio (571 versus 1651, P < 0.0001) were significantly lower, while spleen diameter (147 mm versus 109 mm, P = 0.0006) was significantly larger. In multivariate analysis, the platelet count/spleen diameter ratio was the only parameter independently associated with the presence of varices (P < 0.0001). Conclusions: In this study we have validated the use of the platelet count/spleen diameter ratio for the noninvasive diagnosis of esophageal varices in patients with portal hypertension caused by schistosoma infection. In these patients, the platelet count/spleen diameter ratio might be used to allow better rationalization of medical resources and use of endoscopy.

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Background/Aim: Ablative techniques such as radiofrequency ablation or non-thermal electrochemical treatment (ECT) are used to manage unresectable liver metastases. Although ECT is not affected by the cooling effect from adjacent vessels, there is a paucity of data available on ECT. Materials and Methods: We used porcine livers to establish an organ model with portal venous and hepatic arterial blood flow for a standardized analysis of the relationship between dose (electric charge) and response (volume of necrosis). Results: This model allowed us to study pressure-controlled perfusion of portal venous and hepatic arterial circulation in the absence of a capillary leak. A specially designed guiding template helped us place platinum electrodes at reproducible locations. With two electrodes, there was a linear relationship between charges of no more than 200 C and necrosis. The relationship was logarithmic at charges of 400-600 C. Larger electrode spacing led to a significant increase in necrosis. We measured pH values of 0.9 (range: 0.6-1.3) at the anode and 12.6 (range: 11.6-13.4) at the cathode. Conclusions: Using a perfusion model, we established an experimental design that allowed us to study ECT in the liver of large animals without experiments on living animals. An electrode template helped us improve the standardized analysis of dose-response relationships. ECT created reproducible and sharply demarcated areas of necrosis, the size of which depended on the charge delivered as well as on the number and spacing of electrodes. Doses higher than 600 C require longer treatment times but do not increase the area of necrosis (logarithmic dose-response relationship).

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Classical interferon-α has been shown to be associated with the development of a variety of autoimmune disorders. A 34-year-old white woman with chronic hepatitis C virus infection who was treated with pegylated interferon α-2a and ribavirin, developed Grave's disease and autoimmune hepatitis (AIH) at 32 and 44 weeks, respectively, following initiation of the therapy. The diagnosis of AIH was made based on the new development of anti-smooth muscle antibodies, anti-mitochondrial antibodies, and liver biopsy findings. It was confirmed by positive response to steroid challenge and was assessed according to the international AIH scoring system. Based on the previous case reports, we review the existing literature. Clinicians should be aware of the possibility of multiple autoimmune disorders during interferon-based therapy for chronic hepatitis.

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Background/Aim: p53 pathway is thought by many researchers to be critically involved in selenium's chemoprevention or in hepatocarcinogenesis. The aim of this study was to investigate the gene expression of p53, p21 and B-cell lymphoma-2 (bcl-2) using preventive and therapeutic approaches of selenium in chemically induced hepatocarcinogenesis in rats. Materials and Methods: Rats were divided randomly into six groups: Negative control, positive control (diethyl nitrosamine +2-acetylaminofluorene), preventive group, preventive control (respective control for preventive group), therapeutic group and therapeutic control (respective control for therapeutic group). p53, p21 and bcl-2 genes on liver tissues were measured using real-time polymerase chain reaction. Results: The expression of p53 was only significant in the therapeutic control. The expression of bcl-2 was insignificant in all the groups. p21 expression was significant in all the groups except the preventive group. Conclusions: The selenium molecular mechanism for liver cancer prevention is not through the p53 pathway. Also, the absence of p53 is not necessary for chemically induced liver cancer in rats.

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Mesenteric fibromatosis is a rare benign tumor of the abdominal cavity. It can present as a sporadic case or as a part of polyposis syndromes. It often infiltrates surrounding structures but rarely metastasizes. Surgical resection is the treatment of choice. The following is a case report of a mesenteric fibromatosis mass presenting as an irreducible inguinal hernia.

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The presence of ductal disruption in pancreatic trauma is a major indicator of severity leading to higher morbidities and prolonged hospital stay. However, the adoption of early interventional approach in selected cases of documented grade III pancreatic trauma could result in shorter hospitalization and early recovery. We are describing our approach of early presentation-tailored interventions in managing two consecutive children diagnosed with grade III pancreatic injuries, which constitute the two main ends of the presentations' spectrum. For the early presenter a spleen preserving distal pancreatectomy was performed, while for the late presenter with large symptomatic pseudocyst endoscopic drainage was attempted. Both early and late presenting children had quick and uneventful recoveries leading to 5 and 6 days of hospitalization, respectively. Both cases continued to be asymptomatic at 4 and 12 months post procedure. In the pseudocyst case, the gastro-cystostomy stents were removed after 10 weeks, and 2.5 months later a completely healed pancreas was demonstrated by magnetic resonance cholangio-pancreatography. Unlike other abdominal solid organ injuries in children, adopting early presentation-tailored intervention can be associated with quicker recovery and short hospitalization for grade III pancreatic injuries. While the series is still small, achieving such remarkable outcomes in two consecutive cases is possible and could set a new trend in managing these injuries in children.

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Bile duct injuries are well-known complications of laparoscopic and open cholecystectomies. Here, we report anastomosis of the common bile duct to the transverse colon that occurred as a complication of laparoscopic cholecystectomy. To the best of our knowledge, a similar case has not been reported in the literature so far. As in our patient, persistent diarrhea (in addition to fever and icterus) can be a warning sign of complication after these procedures. Surgeons who do advanced laparoscopic techniques must be familiar with this complication.

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