Primary malignant tumours of the stomach are very rare in children, most being lymphomas and sarcomas. The majority of primary gastric lymphomas are high-grade non-Hodgkin's lymphomas and are of B-cell origin. However, a significant number are low-grade B-cell lymphomas that are derived from mucosa-associated lymphoid tissue (MALT) that is not found in the normal stomach. Helicobacter pylori infection predisposes to the development of MALT in the stomach and provides the pathogenic background for MALT-type lymphomagenesis. To our knowledge, only eight paediatric cases of primary gastric lymphoma have been described. The diagnosis and follow-up of gastric lymphoma are mainly made by endoscopy. Nevertheless, radiologists must be aware of this disease because it may be observed on radiological examinations that are performed for non-specific upper digestive symptoms in children.
EC should be the radiologic method to evaluate the intestinal pathology in symptomatic BD patients. The main EC finding in BD was ulceration mostly in the aphthous form. The EC findings in BD, even in longstanding cases, are usually mild when compared with those seen in CD.
Nowadays, laparoscopy appears to be an attractive alternative to conventional surgery in the management of small bowel obstruction. Adult intussusception is an unusual cause of intestinal obstruction, and a wide range of pathologic conditions can result with intussusception. In this report, we present a very rare case of intussusception secondary to inverted Meckel's diverticulum in an adult who underwent laparoscopic surgery. The diagnostic modalities and surgical management of intussusception are discussed.
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