Pelvic Hydatid Cyst: Three Cases with Suspected Adnexal Masses

Document Type : Case Report

Authors

1 Department of Obstetrics and Gynaecology, Imam Khomeini Hospital Complex, Tehran University of Medical Sciences, Tehran, Iran

2 Department of Infectious Diseases, Imam Khomeini Hospital Complex, Tehran University of Medical Sciences, Tehran, Iran

3 School of Medicine, Tehran University of Medical Sciences, Tehran, Iran

4 Laboratory of Medical Genetics, ART and Stem Cell Research Centre (ACECR), Tabriz, Iran

Abstract

Hydatid cysts are caused by Echinococcus granulosus. The usual organs in which the parasite lodges are the
liver and lungs. One of the most peculiar locations for cyst formation is the ovary and most of these cases are
secondary. It has been reported that some cases are formed iatrogenically. In our practice, we encountered
three cases of ovarian hydatid cysts with a common symptom of abdominal pain. Imaging studies showed the
presence of cystic lesions.Our first case was particularly interesting as the ultrasonographic characteristics
were consistent with malignancy; however, surgical intervention showed that she had a hydatid cyst. Of note,
this appeared to be a primary cyst because no other lesion was detected at the time. Our second case was diagnosed
with infertility and under treatment prior to referral to our centre. Ultrasound (US) imaging showed the
presence of a large cyst. The patient underwent laparoscopic cystectomy and the parasitic lesion was removed;
however, she was subsequently diagnosed with urticaria and admitted to the intensive care unit (ICU). She
made an uncomplicated recovery. Our third case was a pregnant woman with a previous diagnosis of a hydatid
cyst. She underwent surgery for a suspected ruptured cyst, which was determined to be parasitic. Due to
similarities in appearance, these cysts can be confused with other lesions. Careful management of these cysts
in highly prevalent areas must be considered. Despite advanced technology, hydatid cysts present challenges
for both surgeons and radiologists.

Keywords

References

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