Evidence map›Paper›PMID 41399417›Full record

ArticleIDCases2025

Spontaneous exovesiculation of a hepatic hydatid cyst with an intact vesicle: A rare intraoperative finding.

Hazem Alouani, Ghazi Lâamiri, Khadija Yaich, Houda Gazzah, Mahdi Bouassida, Hassen Touinsi

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In one paragraph

Article in IDCases, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Hazem AlouaniDepartment of General Surgery, Mohamed Taher Maamouri University hospital, Nabeul, Tunisia.
Ghazi LâamiriDepartment of General Surgery, Mohamed Taher Maamouri University hospital, Nabeul, Tunisia.
Khadija YaichDepartment of General Surgery, Mohamed Taher Maamouri University hospital, Nabeul, Tunisia.
Houda GazzahDepartment of General Surgery, Mohamed Taher Maamouri University hospital, Nabeul, Tunisia.
Mahdi BouassidaDepartment of General Surgery, Mohamed Taher Maamouri University hospital, Nabeul, Tunisia.
Hassen TouinsiDepartment of General Surgery, Mohamed Taher Maamouri University hospital, Nabeul, Tunisia.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Hydatid disease remains endemic in many regions, particularly in the Mediterranean basin. While hepatic involvement is common, spontaneous exovesiculation of a hydatid cyst with an intact daughter vesicle is exceptional. This phenomenon results from gradual detachment and extrusion of the germinal layer without rupture or spillage. Case presentation: A 46-year-old female with a known hepatic hydatid cyst diagnosed two years earlier by abdominal ultrasound (WHO CE2) presented to the emergency department with acute abdominal pain. She had neither undergone surgery nor received albendazole therapy, as she was lost to follow-up after the initial diagnosis. Emergency laparotomy revealed an intact exovesiculated daughter vesicle lying freely in the peritoneal cavity, corresponding to the same cyst previously identified. The vesicle was removed intact without rupture, and the postoperative course was uneventful. Discussion: Spontaneous exovesiculation of hepatic hydatid cysts represents a rare complication that can clinically mimic cyst rupture or secondary peritoneal hydatidosis. The mechanism is thought to involve progressive thinning of the pericyst and increased intracystic pressure, leading to extrusion of the intact endocyst into the peritoneal cavity. Recognition of this unusual event is crucial to avoid unnecessary extensive resections or contamination during surgery. Conclusion: Spontaneous exovesiculation with an intact vesicle is a rare but distinctive manifestation of hepatic hydatid disease. Awareness of this presentation and careful surgical handling are essential to ensure complete removal and prevent recurrence.

Indexed as

Acute abdomenAlbendazole therapyEchinococcosisExovesiculationHepatic hydatid cystHydatid diseaseIntraoperative finding

Identifiers

PMID41399417
PMCPMC12701971

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