Cardiovascular

En bloc excision of a large hydatid cyst originating from the posterior wall of the left ventricle.

Ak K, Gürpınar &, et al. • Multimedia manual of cardiothoracic surgery : MMCTS • 2026

PubMed 42885646 DOI 10.1510/mmcts.2026.078
TL;DR

A cardiac hydatid cyst located on the posterior wall of the left ventricle was successfully managed through complete en bloc excision via left ventriculotomy.

Key Findings

Background

Cardiac involvement in hydatid disease is rare, accounting for only a small proportion of all hydatid cyst cases.

  • The paper characterizes cardiac hydatid disease as a rare manifestation of hydatid disease overall.
  • No specific percentage or incidence rate is provided in the abstract, though the rarity is emphasized as clinically significant.
  • The condition carries risk of life-threatening complications including compression of cardiac chambers, cyst rupture, and anaphylactic shock.
Results

A large hydatid cyst originating from the posterior wall of the left ventricle was incidentally detected in a male patient.

  • The cyst was described as 'large' in the title and was located specifically on the posterior wall of the left ventricle.
  • Detection was incidental, suggesting the patient may have been asymptomatic or the cyst was found during workup for another condition.
  • This is reported as a single case report with one male patient.
Results

The cardiac hydatid cyst was completely excised en bloc through a left ventriculotomy.

  • The surgical approach involved left ventriculotomy to access the posterior wall of the left ventricle.
  • Complete en bloc resection was achieved, meaning the cyst was removed as a whole unit without rupture.
  • The case is presented as a video tutorial highlighting surgical techniques and technical considerations for safe and effective en bloc resection.
  • Surgical resection is indicated for cardiac hydatid cysts due to the risk of life-threatening complications.
Background

Surgical resection is indicated for cardiac hydatid cysts due to the risk of life-threatening complications.

  • Identified complications warranting surgery include compression of cardiac chambers, cyst rupture, and anaphylactic shock.
  • The paper presents en bloc excision as the surgical management strategy of choice in this case.
  • The case report and video tutorial are intended to provide technical guidance for surgeons managing similar cases.

What This Means

This research describes the surgical treatment of a rare condition where a parasitic cyst (hydatid cyst, caused by a tapeworm infection) developed on the heart muscle of a male patient. The cyst was found incidentally on the back wall of the heart's main pumping chamber (left ventricle) and was large enough to require surgical removal. Such cysts in the heart are uncommon and dangerous because they can compress heart chambers, rupture, or trigger severe allergic reactions. The surgical team successfully removed the entire cyst in one piece — a technique called 'en bloc' excision — by making an incision directly into the left ventricle. This approach is intended to minimize the risk of cyst rupture during removal, which could spread the infection or cause a life-threatening allergic reaction. The case was documented as a video tutorial to help guide other surgeons who may encounter similar cases. This research suggests that en bloc surgical removal through direct heart incision is a feasible and effective approach for large cardiac hydatid cysts. Because cardiac hydatid disease is so rare, detailed case reports and surgical tutorials like this one are valuable resources for the medical community in understanding how to safely manage this dangerous condition.

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Citation

Ak K, Gürpınar &, Öztürk F, Demirbas E, Yolageldi A, Kallek F, et al.. (2026). En bloc excision of a large hydatid cyst originating from the posterior wall of the left ventricle.. Multimedia manual of cardiothoracic surgery : MMCTS. https://doi.org/10.1510/mmcts.2026.078