Abdominal tuberculosis is rare in immunocompetent infants. We report on two infants with peritoneal tuberculosis (6 and 8 months) who underwent laparotomy for suspected intussusception. In the first patient, characteristic lesions of peritoneal tuberculosis were observed intraoperatively with presence of multiple granulations. Tuberculin intradermal reaction (IDRt) was positive and tuberculous contagium could be cultured. In the second patient, the IDRt and GeneXpert tests were negative. In both patients, the histopathological examination of the biopsy specimens confirmed the diagnosis of peritoneal tuberculosis. The clinical courses under tuberculostatic therapy were favorable in both cases.

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Context: Choledochal cyst is a rare malformation that mainly affects girls. Aims: The aim of this work is to report the diagnostic, therapeutic and evolutionary aspects of bile duct cyst in children in Dakar. Subjects and Methods: we conducted a prospective monocentre descriptive study from 1 July, 2016, to 30 June, 2019, in the Pediatric Surgery Department of Albert Royer Children's Hospital in Dakar. The studied parameters featured clinical, biological, radiological, therapeutic and evolutionary data. Overall, ten patients, including eight girls and two boys, were selected. Results: Two patients presented the classic triple-syndrome complex featuring an abdominal pain, an abdominal mass and jaundice. Most of the patients presented a symptomatology associating abdominal pain and vomiting. Biological cholestasis syndrome was present in six cases and biological cytolysis syndrome in five cases. The abdominal ultrasound-computed tomography (CT) scan confirmed the diagnosis and helped to set the Todani classification with a predominance of Types 1 and 4. Surgical treatment by laparotomy consisted of total excision of the cyst followed by a Y-en-Roux hepatico-jejunal anastomosis in nine cases, whereas we performed a drainage of the cyst in one case. Two patients presented a morbidity of anastomotic suture release and evisceration and had a good outcome after surgical repair. There was no mortality. Conclusions: The diagnosis of choledochal cyst dilatation (CCD) can be suspected in the postnatal period on the basis of a gastro-intestinal symptomatology with or without associated to jaundice. The combination ultrasound-abdominal CT-scan helps set the diagnosis. The laparatomic approach always has its place for the management of CCD, especially in our context.

Introduction: Omphalo-mesenteric fistula is a rare form of the regression anomaly of the omphalo-mesenteric duct. The diagnosis is usually clinical, confirmed by simple fistulography in case of doubt. In rare cases, complications (occlusion, infection, ulcer, prolapse) may be revealing. Observation: We report an omphalomesenteric fistula revealed by prolapse in a three-day-old newborn. The diagnosis was obvious by the outcome of stool through the prolapse orifice. Treatment consisted of bowel resection on either side of the omphalo-mesenteric canal followed by terminal anastomosis. Conclusion: Omphalomesenteric fistula, often revealed as a complication, becomes an emergency and surgical treatment is quickly required