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Query: UMLS:C0021933 (intussusception)
 3,822 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Gastrointestinal symptoms, including vomiting, are caused by a variety of infective organisms in children, many of which are self-limiting and resolve within a week, but others are potentially much more serious in their consequences. Diarrhea, vomiting and abdominal pain are common but nonspecific symptoms. Investigation is dictated by the likely causative organism, given the age and presentation of the child. The role of bacteria in the pathogenesis of necrotizing enterocolitis, recognition that Yersinia, Campylobacter and Salmonella may produce symptoms difficult to distinguish clinically from appendicitis, the viral causes of idiopathic intussusception, the occurrence of intussusception after administration of rotavirus vaccine, and the evidence incriminating mycobacterium avium subspecies paratuberculosis in the aetiology of Crohn disease are discussed.
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PMID:Infection and the gut. 1465 66

Yersinia enterocolitica intussusception is rarely encountered in patients without an underlying susceptibility and is most frequently reported in iron-overloaded patients. This is thought to be related to the unusual use of iron by this microorganism. We present a case of a 5-year old child with intussusception of the terminal ileum caused by Y. enterocolitica whose past medical history was significant for sickle cell disease. This type of presentation is extremely rare. His monthly blood transfusions may have put him at risk for Y. enterocolitica enterocolitis. The pathogenesis of this disease relates to the role of iron as an essential growth factor for Y. enterocolitica, and this patient's transfusions left him in an iron overloaded state despite treatment with Deferoxamine. Our patient's unusual presentation of intusssuception was secondary to the mass effect caused by lymphoid hyperplasia, specifically hypertrophied Peyer's patches in the ileum caused by the Y. enterocolitica infection. We believe that our case demonstrates that Y. enterocolitica should be considered a possible pathogen in patients with sickle cell disease, especially if symptoms occur shortly after blood transfusion.
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PMID:Intussusception Caused by Yersinia enterocolitica Enterocolitis in a Patient with Sickle Cell Anemia. 2115 49

Yersinia enterocolitica (YE) infection is a rare cause of intestinal intussusception, especially in adults. We herein, report a case of adult intussusception due to YE enterocolitis. A 24-year-old woman was admitted because of severe abdominal pain. She was clinically diagnosed with ileocolic intussusception on the basis of the findings of computed tomography (CT) and a gastrografin enema. Manual surgical reduction was sufficient to alleviate the intussusception. A histological examination of the lymph nodes around the ileocecum excluded lymphoma. Serological testing revealed that the cause of the intussusception was a YE infection. The patient's postoperative course was good and no recurrence was seen during the follow-up.
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PMID:Adult intussusception caused by Yersinia enterocolitica enterocolitis. 2298 24

Intussusception is a recognised paediatric presentation in emergency department and primary care settings. The aetiology of intussusception is multifactorial and largely unknown but includes infection in some cases. Yersinia has been the most frequently cited bacterial association in children. Identifying Yersinia affects the role and choice of antibiotics in a child's treatment regimen. This article reports on Australia's first proven case of Yersinia enterocolitica intussusception, and reviews the clinical epidemiology of all known reported cases world-wide.
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PMID:Yersinia intussusception: case report and review. 2371 Dec 31

Hematologic reference values have been established for captive adult red-bellied tamarins (Saguinus labiatus) by carrying out full blood counts and fibrinogen estimations on 25 clinically normal animals. The only significant sex difference detected was in the reticulocyte count which was higher in females than in males. The reference values were used to identify abnormal changes in the blood of nine clinical cases. Hypochromic anemia, neutrophilia, and raised fibrinogen levels were found in animals with self-inflicted injuries, dermatitis, and ileocecal intussusception. Target cells and jaundiced plasma were noted in a case of yersiniosis. Two animals in which generalized muscle wasting was the main abnormal clinical sign were severely anemic, and in one of these cases a significant number of Heinz bodies was present. The findings in these two animals were compared with those in common marmosets (Callithrix jacchus) with possible wasting marmoset syndrome.
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PMID:Red-bellied tamarins (Saguinus labiatus): Hematologic reference values and hemopathologic responses. 3199 68


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