Acute appendicitis caused by amebiasis

Gotohda, Naoto; Itano, Satoshi; Okada, Yoshinori; Horiki, Sadayuki; Endo, Akira; Terada, Norihiko; Isozaki, Hiroshi; Takakura, Norihisa; Tanaka, Noriaki

doi:10.1007/s005350070024

Cited by 24 publications

(9 citation statements)

References 7 publications

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“…Appendicitis related to E. histolytica presence is quite rare and generally involve in literature as case reports (18,(31)(32)(33)(34)(35). Exact incidence of this atypical presentation of parasitic disease is not well known (36).…”

Section: E Vermicularis Is the Most Prevalent Helminthic Infectious mentioning

confidence: 99%

Parasitic Infections of the Appendix as a Cause of Appendectomy in Adult Patients

Yabanoğlu¹,

Aytaç²,

Türk³

et al. 2014

TurkiyeParazitolDerg

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Objective: Assessment of frequency and clinical findings of parasitic infections for etiology of acute appendicitis. Methods: Data of 1452 patients who were carried out appendectomy between January 1999 and December 2012 were analyzed retrospectively. Appendectomy was performed in 1159 of the patients with a pre diagnosis of acute appendicitis. Demographics, physical findings, radiologic and laboratory studies, operative findings, pathological results, presence and type of parasitosis were investigated. Results: Among the 1159 patients done appendectomy with a pre diagnosis of acute appendicitis, 719 (62%) were males and 440 (38%) were females. Parasitic infection was demonstrated in 17 (1.4%) of them. Mean average age of these patients was 36.6±20.1 years. Enterobius vermicularis was present in 15 (88.2%) and Entamoeba histolytica in 2 (11.8%) of the patients. Of the pathology specimens of appendix consisting Enterobius vermicularis, 12 (80%) were normal appendix tissues, 1 (6.6%) was acute uncomplicated appendicitis and 2 (13.3%) were perforated appendicitis. One (50%) of the two specimens consisting Entamoeba histolytica was normal appendix and the other (50%) was acute appendicitis. Conclusion: Differential diagnosis of parasitic infections in etiology of acute appendicitis should be made properly. It must be remembered that this attention can save patients from a negative laparotomy and morbidity and mortality of it. (Turkiye Parazitol Derg 2014; 38: 12-6) (Turkiye Parazitol Derg 2014; 38: 12-6)

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Section: E Vermicularis Is the Most Prevalent Helminthic Infectious mentioning

confidence: 99%

Parasitic Infections of the Appendix as a Cause of Appendectomy in Adult Patients

Yabanoğlu¹,

Aytaç²,

Türk³

et al. 2014

TurkiyeParazitolDerg

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“…Yersinia enterocolitica has been isolated in 3–9% of inflamed appendices (43,44). Enterobius vermicularis has been identified in 2.5–4% of the appendectomies (45,46), and cases of appendicitis caused by amebiasis (47) and actinomycosis (48) have been reported. Searching for Helicobacter pylori in the appendix showed that it does not colonize the appendix and is unlikely to be a pathogenic stimulus for appendicitis (49).…”

Section: Pathogenesis Of Acute Appendicitismentioning

confidence: 99%

Role of Appendicitis and Appendectomy in the Pathogenesis of Ulcerative Colitis: A Critical Review

Koutroubakis¹,

Vlachonikolis²,

Kouroumalis³

2002

Inflammatory Bowel Diseases

132

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Besides a genetic predisposition, a causal role of various environmental factors has been considered in the etiology of ulcerative colitis (UC). The association between appendectomy and UC has recently been the subject of intense scrutiny in the hope that it may lead to the identification of important pathogenetic mechanisms. Published data from animal models of colitis demonstrated reduction in experimental colitis after appendectomy, especially if performed at an early age. Several epidemiological case control and cohort studies have shown a strong and consistent relationship. The metaanalysis of 17 case-controlled studies showed an overall odds ratio 0.312 (95% confidence intervals = 0.261-0.373) in favor of appendectomy (p < 0.0001). One of the two recent large cohort studies is in agreement with these results, but the other failed to confirm them. All these studies have suggested that alterations in mucosal immune responses leading to appendicitis or resulting from appendectomy may negatively affect the pathogenetic mechanisms of UC. Further investigation of the role of appendectomy in UC is expected to open new fields for basic scientific research and may lead to the improvement of our understanding for the disease pathogenesis.

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“…Amoebiasis has been the cause of death in elderly at general hospital of Mexico in 60 century (4). E.histolytica caused intestinal infection, but extra intestinal amoebiasis such as liver abscess, thoracic, genital amoebiasis, acute appendicitis and brain abscess have also been reported (2,(5)(6)(7)(8).…”

Section: Introductionmentioning

confidence: 99%

High prevalence of Entamoeba histolytica and Enterobius vermicularis among elderly and mentally retarded residence in Golabchi center,Kashan,Iran 2006-2007

Rasti

Arbabi

Hooshyar

2012

Jundishapur J Microbiol

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The results of this study showed high prevalence of pathogenic intestinal parasitic infection in the center, due to its spread to family members of infected persons, parasite control strategies are recommended. Background:Entamoeba histolytica/Entamoeba dispar and Enterobius vermicularis are the major health problems in the developing countries especially in Iran. The prevalence of infection is variable among different social groups in the world. Objectives: Since elderly and mentally retarded are high risk group, the present survey was carried out in order to determine the prevalence of intestinal parasites especially these parasites in elderly and mentally retarded residence in Golabchi Center, Kashan, Iran. Materials and Methods:In this Cross-sectional study a total of 243 stool samples and 279 Scotch tapes from elderly and mentally retarded people were collected. Intestinal parasitic infections especially E.histolytica/E.dispar was determined by Stool examination. Scotch tape was used for diagnosis of Enterobius vermicularis. The demographic data were recorded by questionnaire and were analyzed by SPSS and X2. Results:The overall infection rate of intestinal parasite was 78.7% (191 out of 243 subjects).The prevalence of E.histolytica/E.dispar and E.vermicularis in elderly were 16.8%, 25.5% and in mentally retarded 15%, 49.1% respectively. Prevalence of pathogenic parasites was: Taenia spp. 1.6%, Hymenolepis nana 0.8%, one case of Strongyloides stercoralis, Blastocystis hominis 33.3%, Giardia lamblia 4.5%, Dientamoeba fragilis 1.6%. The rate of infection in mentally retarded was higher than elderly (P < 0.001). The prevalence of E.vermicularis in the male was 2.5 times more than female (P < 0.001). There was significant relation between annual itching and nail chewing and Enterobiasis (P < 0.05). Conclusions: This study showed that infection with intestinal parasites especially E.histolytica/E.dispar and E.vermicularis was higher than expected in elderly and mentally retarded. Due to importance of these parasites and some risk factors such as population density and an immunosuppressive background in elderly, health education and mass medication for control of disease is emphasized.

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Acute appendicitis caused by amebiasis

Cited by 24 publications

References 7 publications

Parasitic Infections of the Appendix as a Cause of Appendectomy in Adult Patients

Parasitic Infections of the Appendix as a Cause of Appendectomy in Adult Patients

Role of Appendicitis and Appendectomy in the Pathogenesis of Ulcerative Colitis: A Critical Review

High prevalence of Entamoeba histolytica and Enterobius vermicularis among elderly and mentally retarded residence in Golabchi center,Kashan,Iran 2006-2007

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