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Mesenteric cysts are documented as a rare entity in pediatric population. They are considered as benign intra-abdominal tumors with an unknown etiology. Symptoms are not specific and knowledge of such condition is essential in order to establish a proper management. We report three pediatrics cases of mesenteric cysts managed between 2000 and 2009 in the pediatric surgery Department of Monastir College Hospital. We described the clinical, radiological and operative findings. Two males and a female were managed (age range: 10 days-5years, mean age: 6,3years). Two patients were presented with an intestinal obstruction. A preoperative diagnosis was made basing on imaging. Thus, abdominal ultrasonography was performed in all of our reported cases and showed a cystic mass in all cases. The cystic nature of the mass, its margins and its extension were better described on tomographic images. The mesenteric cyst was completely and successfully removed in all cases. The histopathological report confirmed the diagnosis and showed a multiloculated cyst with columnar mesothelial lining, without any defined muscular layer or cellular atypia and without any evidence of malignancy. The children were evaluated post-operatively with a mean follow-up of 2 years and a half. No recurrence was noted in our patients during the follow-up period. It is known that clinical features are not specific of such anomaly but once the diagnosis is made, the complete surgical removal of the cyst remains the treatment of choice with excellent outcomes.

Heterotopic pancreas (HP) is a rare congenital developmental anomaly of the gastro-intestinal tract, defined as the presence of pancreatic tissue found in ectopic sites. Intussusception caused by isolated HP is extremely rare. Pediatric reports concerning this pathology are case reports. Here, we report cases of secondary intussusception, in which conservative treatment failed and surgery was performed. The aim of this review is to study the epidemiologic and clinical aspects of HP in pediatric patients from our institution. We retrospectively collected patients who were treated in the pediatric surgery department for intussusception caused by HP, from January 1986 to November 2018. We investigated five patients, three boys and two girls, aged 5 months to 2 years. The diagnosis was made incidentally during the operation. HP was found in the jejunum in three cases and in the ileum in two cases. HP was removed. The postoperative course was uneventful. Although rare, HP should be included in the differential diagnosis of gastrointestinal diseases, causing secondary bowel intussusception., (© 2022 The Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.)

Competing Interests: Conflict of interest The authors declare that there is no conflict of interest.

Ureterocele is a pseudo-cyst dilation of the terminal submucosal ureter. It is a rare malformative uropathy, in particular associated with simplex ureter. We conducted a retrospective study over a period of 10 years. Twelve medical records of patients whose data were collected at the Department of Paediatric Surgery of Monastir between 2006 and 2016 were examined. The average age of patients was 2.7 years (ranging from 7 days to 11 years) with a sex ratio of 1. Patients´ clinical status was dominated by fever due to upper urinary tract infection. Diagnosis was mainly based on renal bladder ultrasound, intravenous urography (IVU) and retrograde urethrography and cystography. Ureterocele was unilateral in 10 cases and bilateral in 2 cases (on a total of 14 cases). It was associated with simplex ureter in all cases and all patients underwent endoscopic surgery. No perioperative adverse event was reported. The postoperative course was uneventful. Clinical and radiological improvements were reported in all cases. Ureterocele associated with simplex ureter is a very rare urinary abnormality. Early diagnosis is essential to avoid upper urinary tract involvement. Endoscopic treatment is a good alternative leading to satisfactory results., Competing Interests: Les auteurs ne déclarent aucun conflit d´intérêts., (Copyright: Samia Belhassen et al.)

Peritoneal hydatid cysts are rare in children even in endemic areas. The primary or secondary origin of this site remains controversial, especially in children. Secondary peritoneal hydatid cysts are mainly the result of spontaneous or traumatic rupture of concomitant liver cysts or the leakage of cystic content during surgery. The purpose of our study is to present the largest case series of peritoneal hydatidosis in children. In addition, we aimed to assess the clinical and paraclinical findings as well as the management of echinococcosis at this location in children. The present case series is a study of ten children with peritoneal hydatid cysts, who underwent surgical intervention between 2013 and 2018 in the Pediatric Surgery Department, University of Monastir (Monastir, Tunisia). The mean age of the children was six years. All children presented abdominal pain, and underwent ultrasonography and contrast-enhanced computed tomography of the abdomen. Two patients had been operated on for lung hydatid cysts six months prior to the study. In two cases, radiologic investigations revealed the presence of an uncomplicated hepatic hydatid cyst located in segments II and IV. All patients underwent surgery, of which four underwent laparoscopy. Post-surgery, all patients received albendazole for three months, and the follow-up period was uneventful. Currently, all patients are in good health. Peritoneal hydatid disease is frequently secondary to the rupture of a primary hepatic cyst. Diagnosis is performed by abdominal ultrasound, computed tomography, and a positive serology result. Open or laparoscopic excision can be combined with medical treatment., Competing Interests: Conflict of Interest: None declared., (Copyright: © Iranian Journal of Medical Sciences.)