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Immunoproliferative small intestinal diseases (IPSID), previously known as Mediterranean Lymphomas, constitute more than 60% of the non-Burkitt's small intestinal lymphomas in Tunisia. A multidisciplinary study of IPSID was undertaken by the Tunisian/French Lymphoma Study Group in 1980 to reach a better understanding of the two subgroups of the disease: secreting IPSID (essentially alpha-chain disease [ACD]); and nonsecreting IPSID (NS-IPSID) (extensive small intestinal lymphomas without gammopathy). The results of initial exploratory laparotomy performed in 38 cases of IPSID (17 ACD and 21 NS-IPSID) are described here, and show notable similarities between the two groups: the extensive pattern of the abnormal cell infiltrate along the major part of the small intestine; frequent and extensive involvement of the mesenteric lymph nodes; the existence of several degrees of severity in small intestinal mesenteric lymph nodes; and other intraabdominal organ involvement. Certain differences also were observed: the relatively high degree of tropism of the NS-IPSID towards the gastric mucosa which was absent in the ACD of this series; and the more frequent involvement of the entire length of the small bowel in ACD. In spite of these discrete differences, the IPSID form a homogeneous group which is definitely distinguishable from the segmentary small intestinal lymphomas known as Western-type, and which account for approximately one third of our non-Burkitt's small bowel lymphomas.
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There are a number of clinical syndromes associated with chronic diarrhea, malabsorption, and lymphoplasmacytic proliferation of the small intestine. In Middle-Eastern and Mediterranean countries immunoproliferative small intestinal disease is endemic, whereas in other parts of the world (including Northwestern Europe and North America) celiac sprue, and other sprue-like syndromes refractory to dietary gluten withdrawal, predominate. All of these syndromes appear to involve chronic stimulation of intestinal mucosa-associated lymphoid tissue and are associated with a heightened risk of malignant transformation. The clinicopathological features of these diseases, and distinction of the Middle Eastern syndromes from those more common in the Western hemisphere, have been reviewed.
Small intestinal bacterial overgrowth (SIBO) was diagnosed by quantitative bacterial culture of duodenal juice samples obtained endoscopically in 41 of 80 dogs that were admitted with chronic diarrhea, vomiting, or weight loss. Thirteen dogs had aerobic bacterial overgrowth, most frequently comprising Escherichia coli, staphylococci, and enterococci, and 28 dogs had mixed anaerobic overgrowth, most frequently including Clostridium and Bacteroides spp. Affected dogs comprised 23 breeds, including 10 German Shepherd Dogs and median age at diagnosis was 2 years (range, 6 months to 11 years). High serum folate and low serum cobalamin concentrations had fair specificity (79 and 87%, respectively), but low sensitivity (51 and 24%, respectively) in detecting SIBO. Histologic examination of duodenal biopsy specimens did not reveal abnormalities (26/41 dogs), or revealed mild to moderate lymphocytic (12/41) or eosinophilic (2/41) infiltrates, or lymphosarcoma (1/41). Oral antibiotic treatment was effective in 77% (23/30 dogs), but prolonged treatment (> 4 weeks) was required to control signs and prevent recurrence in 50% (15/30). Corticosteroids were used alone in a dog with eosinophilic enteritis and in combination with antibiotics in 4 dogs with marked gastrointestinal lymphocytic/plasmacytic infiltrates. This study suggested that SIBO may be observed in dogs of many breeds, without an obvious primary cause, and that, although results of indirect tests may be suggestive of SIBO, bacterial culture of duodenal juice samples remains necessary for definitive diagnosis.
OBJECTIVE: To increase the knowledge of small intestine disease, improve the diagnostic rate and discusses the examination methods. METHODS: 224 cases of small intestine disease were studied and their major symptoms, etiology, diagnostic methods were analyzed. RESULTS: The major symptoms of small intestine disease were abdominal pain (58%), abdominal mass (18%), fever (17%) and hematochezia (12%). The most common disease of small intestine was malignant tumor (32%), others were diverticulum (29%), leiomyomas (7%), hemorrhagic necrotizing enteritis (6%), Crohn's disease (4%). Double-contrast enteroclysis and laparotomy were still the major diagnostic methods. CONCLUSION: Malignant tumor was the most common disease of small intestine. More attention should be paid to the diagnosis of small intestine disease.
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Nine children and adolescents with chronic intestinal diseases and growth failure were treated with home parenteral nutrition (HPN) for 7-63 months. All patients improved their growth velocities on HPN, with an average height gain of 9 cm. The mean growth velocity in six patients with Crohn's disease increased more than fivefold (from 0.67 +/- 0.4 cm/year to 3.8 +/- 1.09 cm/year), and they gained a mean of 11.4 +/- 3.4 kg/year. The three patients without Crohn's disease [intestinal pseudo-obstruction (two), severe short bowel (one)] increased growth velocity from an average of 2.9 +/- 1.1 cm to 6.1 +/- 1.34 cm/year and gained a mean of 10 +/- 2.84 kg/year. Patients without Crohn's disease grew faster on HPN than age comparable patients with Crohn's disease. Also, the two patients with Crohn's disease who were younger and had their disease for a shorter period (less than 3 years) grew better than older patients with Crohn's disease who had their disease for a mean of 8 +/- 1.3 years. All patients improved clinically, and three with Crohn's disease achieved complete remission. Five of the nine patients had psychosocial adjustment problems while on HPN. In conclusion, HPN is a relatively safe and effective means to stimulate growth in children and adolescents who cannot meet nutritional needs by the enteral route.
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Large intestinal disease, and more especially colitis, is a commonly seen problem in small animal practice. Although colitis is most frequently diagnosed in dogs, it is becoming increasing common in cats. The etiology of colitis is not known, but there is general agreement that an immune-mediated response to luminal antigen is involved. In particular, parasites, bacteria and dietary factors may be involved. In approximately 10% of dogs presented with typical signs of colitis, no pathologic lesion will be found on investigation. These dogs have a functional diarrhea associated with some stress factor and are thought to have irritable bowel syndrome (IBS). This condition is most frequently observed in working dogs, although highly nervous and excitable dogs may also exhibit similar clinical signs. Until the underlying etiology of colitis is determined, treatment regimens will remain symptomatic. Recent studies have placed considerable importance on the value of diet in the prevention, immediate and long-term therapy of colitis in dogs and cats. In particular the value of "novel" protein diets, fermentable fiber and polyunsaturated fatty acids is receiving the most attention. It is now possible to maintain patients in long-term remission and to modify the severity and chronicity of colitis by using diet alone. This paper will review the subject of dietary management of colitis and IBS and present results from the author's clinical research program.
Immunoproliferative small intestinal disease (IPSID), most common in Mediterranean countries, is characterized by lymphomatous infiltration of the small intestine and is usually associated with the synthesis of anomalous immunoglobulin alpha heavy chains. Flow cytometric analysis of DNA content, S phase fraction, and quantitative analysis of the proliferation-associated nuclear antigen, P105, were performed in 23 patients with IPSID to determine if they could be used as prognostic indicators in this disease. Eighteen patients had low-grade, two had intermediate-grade, and three had high-grade lymphoma. Eight patients had clinical stage IE disease, 12 had stage IIE, and three had stage IIIE disease. Eleven patients survived > 5 yr (good prognosis), four survived between 2-5 yr (intermediate prognosis), and eight survived 2 yr or less (poor prognosis). The S phase fraction of patients with poor prognosis was significantly higher than those with intermediate or good prognosis (P < 0.004). Flow cytometric evaluation of S phase fraction may offer important prognostic information in patients with IPSID and could be useful in the clinical management of patients with this highly variable clinical syndrome. Further studies evaluating the value of DNA flow cytometry in larger groups of patients with IPSID are warranted.
This paper analyses routinely available data on infectious intestinal diseases occurring in people aged 65 years and over in England and Wales from 1990 to 1994. These data include annual reports of consultations with general practitioners in spotter practices collated by the Royal College of General Practitioners, notifications of food poisoning collated by the Office of Population Censuses and Surveys, hospital admissions extracted from Hospital Episode Statistics data, reports of general outbreaks and laboratory reports of faecal isolates both collated by the PHLS Communicable Disease Surveillance Centre, and death registrations held at the Office of Population Censuses and Surveys. From 1 January 1990 to 31 December 1994 a total of 8,910 episodes of infectious intestinal disease in people aged 65 years and over were seen in the 93 spotter practices that care for a population of all ages of about 700,000. This extrapolates to about 925,000 cases in elderly people in England and Wales, if consultation rates in spotter practices are representative. Twenty-seven thousand two hundred and thirty-three cases of food poisoning were notified and 46,216 faecal isolates were reported in people of the same age group. The commonest pathogens detected were campylobacter, Clostridium difficile and salmonellas. Thirteen thousand five hundred and eighty-five people aged 65 years and over were admitted to hospital with infectious intestinal disease between 1 April 1991 and 31 March 1994. The PHLS Communicable Disease Surveillance Centre learnt of 360 outbreaks in residential institutions and hospital wards for elderly people between 1 January 1992 and 31 December 1994, 52% of which were caused by small round structured viruses. Seven hundred and seventy-seven deaths attributable to infectious intestinal disease in elderly people were registered from 1990 to 1994. Infectious intestinal disease is a largely preventable group of conditions that cause substantial morbidity and mortality in elderly people. Appropriate food hygiene and infection control measures, particularly in institutions, will help to reduce the incidence of infectious intestinal disease in elderly people.