E-ISSN 2146-3077
Original Article
Parasitic Infections of the Appendix as a Cause of Appendectomy in Adult Patients
1 Department of General Surgery, Başkent University Faculty of Medicine, Ankara, Turkey  
2 Department of Pathology, Başkent University Faculty of Medicine, Ankara, Turkey  
Turkiye Parazitol Derg 2014; 38: 12-16
DOI: 10.5152/tpd.2014.3217
Key Words: Acute appendicitis, Intestinal parasitic infection, Enterobius vermicularis, Entamoeba histolytica
Abstract

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. 

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