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Right Hemihepatectomy by Suprahilar Intrahepatic Transection of the Right Hemipedicle using a Vascular Stapler
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Hydatid Cyst of the Right Atrium With Hepatic and Pulmonary Involvement and Concomitant Pulmonary Embolism,

Farid Poursadegh1, Mahnaz Amini1, Javad Ghasemi2

  • 1Lung Diseases Research Center, Faculty of Medicine Mashhad University of Medical Sciences Mashhad Iran.

Respirology Case Reports
|April 24, 2026
PubMed

Insights

A rare case of hydatid cyst disease involving the right atrium (RA) and liver presented with severe symptoms. Successful surgical removal of the RA cyst and pulmonary embolism treatment were achieved.

Area of Science:

  • Medicine
  • Parasitology
  • Cardiology

Background:

  • Hydatid cyst disease, caused by Echinococcus granulosus, typically affects the liver and lungs.
  • Cardiac involvement, particularly in the right atrium (RA), is exceptionally rare.

Purpose of the Study:

  • To report a unique case of right atrial hydatid cyst presenting with massive hemoptysis and pulmonary embolism.
  • To highlight the diagnostic and therapeutic challenges of rare cardiac echinococcosis.

Main Methods:

  • Transthoracic echocardiography to visualize the RA mass.
  • Chest computed tomography angiography for multiorgan assessment.
  • Serological testing for echinococcosis confirmation.
  • Surgical excision of the RA cyst and pulmonary embolectomy under cardiopulmonary bypass.

Main Results:

  • A large, multicystic mass was identified in the RA, suggestive of a hydatid cyst.
  • Pulmonary cystic lesions, pulmonary embolism, and a hepatic hydatid cyst were confirmed.
  • The patient underwent successful surgical intervention with complete cyst excision and embolectomy.

Conclusions:

  • Right atrial hydatid cyst is a rare but critical condition that can lead to life-threatening complications like pulmonary embolism.
  • Comprehensive imaging and prompt surgical management are essential for successful outcomes in complex echinococcosis cases.
  • This case underscores the importance of considering rare diagnoses in patients with unexplained symptoms and multiorgan involvement.

Keywords:
case reporthydatid cystmultiorgan involvementpulmonary embolismright atrial hydatid cyst

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