Enterobius vermicularis Infection with Tuboovarian Abscess and Peritonitis Occurring during Pregnancy

Background: Extraintestinal Enterobius vermicularis infections are rare but may occasionally affect the female genital tract. Although mostly asymptomatic or causing minor clinical problems, they may lead to severe infectious complications. Methods: Case report and review of the pertinent English language literature. Results: A 31-year-old, 30-week-pregnant female was admitted with a clinical suspicion of appendicitis. At surgery, the appendix appeared normal, but generalized peritonitis of unclear origin was present. Eggs of Enterobius vermicularis were found upon microbiological and pathological examination. Because of persisting infectious disease, the patient underwent an elective caesarean section, and at that time the diagnosis of a right tuboovarian abscess was made, and salpingo-oophorectomy was performed. The pathology report confirmed the diagnosis of an E. vermicularis salpingo-oophoritis. Conclusion: This case was extraordinary because of a combination of tuboovarian abscess and generalized peritonitis with E. vermicularis infection occurring during late pregnancy. Ectopic enterobiasis should be considered in the differential diagnosis of pelvic infections of gynecological origin.

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